/src/settings/plugins/ifnet/connection_parser.c

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
 * Mu Qiao <qiaomuf@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Copyright (C) 1999-2010 Gentoo Foundation, Inc.
 */

#include "config.h"

#include <string.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <netinet/ether.h>
#include <errno.h>
#include <glib/gi18n.h>

#include <nm-setting-connection.h>
#include <nm-setting-ip4-config.h>
#include <nm-setting-ip6-config.h>
#include <nm-setting-ppp.h>
#include <nm-setting-pppoe.h>
#include <nm-setting-wired.h>
#include <nm-setting-wireless.h>
#include <nm-setting-8021x.h>
#include <nm-system-config-interface.h>
#include <nm-utils.h>

#include "net_utils.h"
#include "wpa_parser.h"
#include "connection_parser.h"
#include "nm-ifnet-connection.h"

static void
update_connection_id (NMConnection *connection, const char *conn_name)
{
	gchar *idstr = NULL;
	gchar *uuid_base = NULL;
	gchar *uuid = NULL;
	int name_len;
	NMSettingConnection *setting;

	name_len = strlen (conn_name);
	if ((name_len > 2) && (g_str_has_prefix (conn_name, "0x"))) {
		idstr = utils_hexstr2bin (conn_name + 2, name_len - 2);
	} else
		idstr = g_strdup_printf ("%s", conn_name);
	uuid_base = idstr;
	uuid = nm_utils_uuid_generate_from_string (uuid_base);
	setting = nm_connection_get_setting_connection (connection);
	g_object_set (setting, NM_SETTING_CONNECTION_ID, idstr,
		      NM_SETTING_CONNECTION_UUID, uuid, NULL);
	PLUGIN_PRINT (IFNET_PLUGIN_NAME,
		      "update_connection_setting_from_config_block: name:%s, id:%s, uuid: %s",
		      conn_name, idstr, uuid);

	g_free (uuid);
	g_free (idstr);
}

static gboolean eap_simple_reader (const char *eap_method,
                                   const char *ssid,
                                   NMSetting8021x *s_8021x,
                                   gboolean phase2,
                                   const char *basepath,
                                   GError **error);

static gboolean eap_tls_reader (const char *eap_method,
                                const char *ssid,
                                NMSetting8021x *s_8021x,
                                gboolean phase2,
                                const char *basepath,
                                GError **error);

static gboolean eap_peap_reader (const char *eap_method,
                                 const char *ssid,
                                 NMSetting8021x *s_8021x,
                                 gboolean phase2,
                                 const char *basepath,
                                 GError **error);

static gboolean eap_ttls_reader (const char *eap_method,
                                 const char *ssid,
                                 NMSetting8021x *s_8021x,
                                 gboolean phase2,
                                 const char *basepath,
                                 GError **error);

typedef struct {
	const char *method;
	 gboolean (*reader) (const char *eap_method,
	                     const char *ssid,
	                     NMSetting8021x *s_8021x,
	                     gboolean phase2,
	                     const char *basepath,
	                     GError **error);
	gboolean wifi_phase2_only;
} EAPReader;

static EAPReader eap_readers[] = {
	{"md5", eap_simple_reader, TRUE},
	{"pap", eap_simple_reader, TRUE},
	{"chap", eap_simple_reader, TRUE},
	{"mschap", eap_simple_reader, TRUE},
	{"mschapv2", eap_simple_reader, TRUE},
	{"leap", eap_simple_reader, TRUE},
	{"tls", eap_tls_reader, FALSE},
	{"peap", eap_peap_reader, FALSE},
	{"ttls", eap_ttls_reader, FALSE},
	{NULL, NULL}
};

/* reading identity and password */
static gboolean
eap_simple_reader (const char *eap_method,
                   const char *ssid,
                   NMSetting8021x *s_8021x,
                   gboolean phase2,
                   const char *basepath,
                   GError **error)
{
	const char *value;

	/* identity */
	value = wpa_get_value (ssid, "identity");
	if (!value) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing IEEE_8021X_IDENTITY for EAP method '%s'.",
			     eap_method);
		return FALSE;
	}
	g_object_set (s_8021x, NM_SETTING_802_1X_IDENTITY, value, NULL);

	/* password */
	value = wpa_get_value (ssid, "password");
	if (!value) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing IEEE_8021X_PASSWORD for EAP method '%s'.",
			     eap_method);
		return FALSE;
	}

	g_object_set (s_8021x, NM_SETTING_802_1X_PASSWORD, value, NULL);

	return TRUE;
}

static char *
get_cert (const char *ssid, const char *key, const char *basepath)
{
	const char *orig;

	/* If it's a relative path, convert to absolute using 'basepath' */
	orig = wpa_get_value (ssid, key);
	if (g_path_is_absolute (orig))
		return g_strdup (orig);
	return g_strdup_printf ("%s/%s", basepath, orig);
}

static gboolean
eap_tls_reader (const char *eap_method,
                const char *ssid,
                NMSetting8021x *s_8021x,
                gboolean phase2,
                const char *basepath,
                GError **error)
{
	const char *value;
	char *ca_cert = NULL;
	char *client_cert = NULL;
	char *privkey = NULL;
	const char *privkey_password = NULL;
	gboolean success = FALSE;
	NMSetting8021xCKFormat privkey_format = NM_SETTING_802_1X_CK_FORMAT_UNKNOWN;

	/* identity */
	value = wpa_get_value (ssid, "identity");
	if (!value) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing IEEE_8021X_IDENTITY for EAP method '%s'.",
			     eap_method);
		return FALSE;
	}
	g_object_set (s_8021x, NM_SETTING_802_1X_IDENTITY, value, NULL);

	/* ca cert */
	ca_cert = get_cert (ssid, phase2 ? "ca_cert2" : "ca_cert", basepath);
	if (ca_cert) {
		if (phase2) {
			if (!nm_setting_802_1x_set_phase2_ca_cert (s_8021x,
								   ca_cert,
								   NM_SETTING_802_1X_CK_SCHEME_PATH,
								   NULL, error))
				goto done;
		} else {
			if (!nm_setting_802_1x_set_ca_cert (s_8021x,
							    ca_cert,
							    NM_SETTING_802_1X_CK_SCHEME_PATH,
							    NULL, error))
				goto done;
		}
	} else {
		PLUGIN_WARN (IFNET_PLUGIN_NAME,
			     "    warning: missing %s for EAP"
			     " method '%s'; this is insecure!",
			     phase2 ? "IEEE_8021X_INNER_CA_CERT" :
			     "IEEE_8021X_CA_CERT", eap_method);
	}

	/* Private key password */
	privkey_password = wpa_get_value (ssid,
					  phase2 ? "private_key_passwd2" :
					  "private_key_passwd");

	if (!privkey_password) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing %s for EAP method '%s'.",
			     phase2 ? "IEEE_8021X_INNER_PRIVATE_KEY_PASSWORD" :
			     "IEEE_8021X_PRIVATE_KEY_PASSWORD", eap_method);
		goto done;
	}

	/* The private key itself */
	privkey = get_cert (ssid, phase2 ? "private_key2" : "private_key", basepath);
	if (!privkey) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing %s for EAP method '%s'.",
			     phase2 ? "IEEE_8021X_INNER_PRIVATE_KEY" :
			     "IEEE_8021X_PRIVATE_KEY", eap_method);
		goto done;
	}

	if (phase2) {
		if (!nm_setting_802_1x_set_phase2_private_key (s_8021x,
							       privkey,
							       privkey_password,
							       NM_SETTING_802_1X_CK_SCHEME_PATH,
							       &privkey_format,
							       error))
			goto done;
	} else {
		if (!nm_setting_802_1x_set_private_key (s_8021x,
							privkey,
							privkey_password,
							NM_SETTING_802_1X_CK_SCHEME_PATH,
							&privkey_format, error))
			goto done;
	}

	/* Only set the client certificate if the private key is not PKCS#12 format,
	 * as NM (due to supplicant restrictions) requires.  If the key was PKCS#12,
	 * then nm_setting_802_1x_set_private_key() already set the client certificate
	 * to the same value as the private key.
	 */
	if (privkey_format == NM_SETTING_802_1X_CK_FORMAT_RAW_KEY
	    || privkey_format == NM_SETTING_802_1X_CK_FORMAT_X509) {
		client_cert = get_cert (ssid, phase2 ? "client_cert2" : "client_cert", basepath);
		if (!client_cert) {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Missing %s for EAP method '%s'.",
				     phase2 ? "IEEE_8021X_INNER_CLIENT_CERT" :
				     "IEEE_8021X_CLIENT_CERT", eap_method);
			goto done;
		}

		if (phase2) {
			if (!nm_setting_802_1x_set_phase2_client_cert (s_8021x,
								       client_cert,
								       NM_SETTING_802_1X_CK_SCHEME_PATH,
								       NULL,
								       error))
				goto done;
		} else {
			if (!nm_setting_802_1x_set_client_cert (s_8021x,
								client_cert,
								NM_SETTING_802_1X_CK_SCHEME_PATH,
								NULL, error))
				goto done;
		}
	}

	success = TRUE;

done:
	g_free (ca_cert);
	g_free (client_cert);
	g_free (privkey);
	return success;
}

static gboolean
eap_peap_reader (const char *eap_method,
                 const char *ssid,
                 NMSetting8021x *s_8021x,
                 gboolean phase2,
                 const char *basepath,
                 GError **error)
{
	char *ca_cert = NULL;
	const char *inner_auth = NULL;
	const char *peapver = NULL;
	char **list = NULL, **iter, *lower;
	gboolean success = FALSE;

	ca_cert = get_cert (ssid, "ca_cert", basepath);
	if (ca_cert) {
		if (!nm_setting_802_1x_set_ca_cert (s_8021x,
						    ca_cert,
						    NM_SETTING_802_1X_CK_SCHEME_PATH,
						    NULL, error))
			goto done;
	} else {
		PLUGIN_WARN (IFNET_PLUGIN_NAME, "    warning: missing "
			     "IEEE_8021X_CA_CERT for EAP method '%s'; this is"
			     " insecure!", eap_method);
	}

	peapver = wpa_get_value (ssid, "phase1");
	/* peap version, default is automatic */
	if (peapver && strstr (peapver, "peapver")) {
		if (strstr (peapver, "peapver=0"))
			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_PEAPVER,
				      "0", NULL);
		else if (strstr (peapver, "peapver=1"))
			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_PEAPVER,
				      "1", NULL);
		else {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Unknown IEEE_8021X_PEAP_VERSION value '%s'",
				     peapver);
			goto done;
		}
	}

	/* peaplabel */
	if (peapver && strstr (peapver, "peaplabel=1"))
		g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_PEAPLABEL, "1",
			      NULL);

	inner_auth = wpa_get_value (ssid, "phase2");
	if (!inner_auth) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing IEEE_8021X_INNER_AUTH_METHODS.");
		goto done;
	}
	/* Handle options for the inner auth method */
	list = g_strsplit (inner_auth, " ", 0);
	for (iter = list; iter && *iter; iter++) {
		gchar *pos = NULL;

		if (!strlen (*iter))
			continue;

		if (!(pos = strstr (*iter, "MSCHAPV2"))
		    || !(pos = strstr (*iter, "MD5"))
		    || !(pos = strstr (*iter, "GTC"))) {
			if (!eap_simple_reader (pos, ssid, s_8021x, TRUE, basepath, error))
				goto done;
		} else if (!(pos = strstr (*iter, "TLS"))) {
			if (!eap_tls_reader (pos, ssid, s_8021x, TRUE, basepath, error))
				goto done;
		} else {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Unknown IEEE_8021X_INNER_AUTH_METHOD '%s'.",
				     *iter);
			goto done;
		}

		pos = strchr (*iter, '=');
		pos++;
		lower = g_ascii_strdown (pos, -1);
		g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTH, lower,
			      NULL);
		g_free (lower);
		break;
	}

	if (!nm_setting_802_1x_get_phase2_auth (s_8021x)) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "No valid IEEE_8021X_INNER_AUTH_METHODS found.");
		goto done;
	}

	success = TRUE;

done:
	g_free (ca_cert);
	if (list)
		g_strfreev (list);
	return success;
}

static gboolean
eap_ttls_reader (const char *eap_method,
                 const char *ssid,
                 NMSetting8021x *s_8021x,
                 gboolean phase2,
                 const char *basepath,
                 GError **error)
{
	gboolean success = FALSE;
	const char *anon_ident = NULL;
	char *ca_cert = NULL;
	const char *tmp;
	char **list = NULL, **iter, *inner_auth = NULL;

	/* ca cert */
	ca_cert = get_cert (ssid, "ca_cert", basepath);
	if (ca_cert) {
		if (!nm_setting_802_1x_set_ca_cert (s_8021x,
						    ca_cert,
						    NM_SETTING_802_1X_CK_SCHEME_PATH,
						    NULL, error))
			goto done;
	} else {
		PLUGIN_WARN (IFNET_PLUGIN_NAME, "    warning: missing "
			     "IEEE_8021X_CA_CERT for EAP method '%s'; this is"
			     " insecure!", eap_method);
	}

	/* anonymous indentity for tls */
	anon_ident = wpa_get_value (ssid, "anonymous_identity");
	if (anon_ident && strlen (anon_ident))
		g_object_set (s_8021x, NM_SETTING_802_1X_ANONYMOUS_IDENTITY,
			      anon_ident, NULL);

	tmp = wpa_get_value (ssid, "phase2");
	if (!tmp) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing IEEE_8021X_INNER_AUTH_METHODS.");
		goto done;
	}

	/* Handle options for the inner auth method */
	inner_auth = g_ascii_strdown (tmp, -1);
	list = g_strsplit (inner_auth, " ", 0);
	for (iter = list; iter && *iter; iter++) {
		gchar *pos = NULL;

		if (!strlen (*iter))
			continue;
		if ((pos = strstr (*iter, "mschapv2")) != NULL
		    || (pos = strstr (*iter, "mschap")) != NULL
		    || (pos = strstr (*iter, "pap")) != NULL
		    || (pos = strstr (*iter, "chap")) != NULL) {
			if (!eap_simple_reader (pos, ssid, s_8021x, TRUE, basepath, error))
				goto done;
			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTH,
				      pos, NULL);
		} else if ((pos = strstr (*iter, "tls")) != NULL) {
			if (!eap_tls_reader (pos, ssid, s_8021x, TRUE, basepath, error))
				goto done;
			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTHEAP,
				      "tls", NULL);
		} else if ((pos = strstr (*iter, "mschapv2")) != NULL
			   || (pos = strstr (*iter, "md5")) != NULL) {
			if (!eap_simple_reader (pos, ssid, s_8021x, TRUE, basepath, error)) {
				PLUGIN_WARN (IFNET_PLUGIN_NAME, "SIMPLE ERROR");
				goto done;
			}
			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTHEAP,
				      pos, NULL);
		} else {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Unknown IEEE_8021X_INNER_AUTH_METHOD '%s'.",
				     *iter);
			goto done;
		}
		break;
	}

	success = TRUE;
done:
	g_free (ca_cert);
	if (list)
		g_strfreev (list);
	g_free (inner_auth);
	return success;
}

/* type is already decided by net_parser, this function is just used to
 * doing tansformation*/
static const gchar *
guess_connection_type (const char *conn_name)
{
	const gchar *type = ifnet_get_data (conn_name, "type");
	const gchar *ret_type = NULL;

	if (!g_strcmp0 (type, "ppp"))
		ret_type = NM_SETTING_PPPOE_SETTING_NAME;

	if (!g_strcmp0 (type, "wireless"))
		ret_type = NM_SETTING_WIRELESS_SETTING_NAME;

	if (!ret_type)
		ret_type = NM_SETTING_WIRED_SETTING_NAME;

	PLUGIN_PRINT (IFNET_PLUGIN_NAME,
		      "guessed connection type (%s) = %s", conn_name, ret_type);
	return ret_type;
}

/* Reading mac address for setting connection option.
 * Unmanaged device mac address is required by NetworkManager*/
static gboolean
read_mac_address (const char *conn_name, GByteArray **array, GError **error)
{
	const char *value = ifnet_get_data (conn_name, "mac");

	if (!value || !strlen (value))
		return TRUE;

	*array = nm_utils_hwaddr_atoba (value, ARPHRD_ETHER);
	if (!*array) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
					 "The MAC address '%s' was invalid.", value);
		return FALSE;
	}

	return TRUE;
}

static void
make_wired_connection_setting (NMConnection *connection,
                               const char *conn_name,
                               GError **error)
{
	GByteArray *mac = NULL;
	NMSettingWired *s_wired = NULL;
	const char *value = NULL;

	s_wired = NM_SETTING_WIRED (nm_setting_wired_new ());

	/* mtu_xxx */
	value = ifnet_get_data (conn_name, "mtu");
	if (value) {
		long int mtu;

		errno = 0;
		mtu = strtol (value, NULL, 10);
		if (errno || mtu < 0 || mtu > 65535) {
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "    warning: invalid MTU '%s' for %s",
				     value, conn_name);
		} else
			g_object_set (s_wired, NM_SETTING_WIRED_MTU,
				      (guint32) mtu, NULL);
	}

	if (read_mac_address (conn_name, &mac, error)) {
		if (mac) {
			g_object_set (s_wired, NM_SETTING_WIRED_MAC_ADDRESS,
				      mac, NULL);
			g_byte_array_free (mac, TRUE);
		}
	} else {
		g_object_unref (s_wired);
		s_wired = NULL;
	}
	if (s_wired)
		nm_connection_add_setting (connection, NM_SETTING (s_wired));
}

/* add NM_SETTING_IP4_CONFIG_DHCP_HOSTNAME,
 * NM_SETTING_IP4_CONFIG_DHCP_CLIENT_ID in future*/
static void
make_ip4_setting (NMConnection *connection,
                  const char *conn_name,
                  GError **error)
{

	NMSettingIP4Config *ip4_setting =
	    NM_SETTING_IP4_CONFIG (nm_setting_ip4_config_new ());
	const char *value, *method;
	gboolean is_static_block = is_static_ip4 (conn_name);
	ip_block *iblock = NULL;

	/* set dhcp options (dhcp_xxx) */
	value = ifnet_get_data (conn_name, "dhcp");
	g_object_set (ip4_setting, NM_SETTING_IP4_CONFIG_IGNORE_AUTO_DNS, value
		      && strstr (value, "nodns") ? TRUE : FALSE,
		      NM_SETTING_IP4_CONFIG_IGNORE_AUTO_ROUTES, value
		      && strstr (value, "nogateway") ? TRUE : FALSE, NULL);

	if (!is_static_block) {
		method = ifnet_get_data (conn_name, "config");
		if (!method){
			g_set_error (error, ifnet_plugin_error_quark (), 0,
						 "Unknown config for %s", conn_name);
			g_object_unref (ip4_setting);
			return;
		}
		if (strstr (method, "dhcp"))
			g_object_set (ip4_setting,
						  NM_SETTING_IP4_CONFIG_METHOD,
						  NM_SETTING_IP4_CONFIG_METHOD_AUTO,
						  NM_SETTING_IP4_CONFIG_NEVER_DEFAULT, FALSE, NULL);
		else if (strstr (method, "autoip")) {
			g_object_set (ip4_setting,
						  NM_SETTING_IP4_CONFIG_METHOD,
						  NM_SETTING_IP4_CONFIG_METHOD_LINK_LOCAL,
						  NM_SETTING_IP4_CONFIG_NEVER_DEFAULT, FALSE, NULL);
			nm_connection_add_setting (connection, NM_SETTING (ip4_setting));
			return;
		} else if (strstr (method, "shared")) {
			g_object_set (ip4_setting,
						  NM_SETTING_IP4_CONFIG_METHOD,
						  NM_SETTING_IP4_CONFIG_METHOD_SHARED,
						  NM_SETTING_IP4_CONFIG_NEVER_DEFAULT, FALSE, NULL);
			nm_connection_add_setting (connection, NM_SETTING (ip4_setting));
			return;
		} else {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
						 "Unknown config for %s", conn_name);
			g_object_unref (ip4_setting);
			return;
		}
		PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Using %s method for %s",
					  method, conn_name);
	}else {
		iblock = convert_ip4_config_block (conn_name);
		if (!iblock) {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Ifnet plugin: can't aquire ip configuration for %s",
				     conn_name);
			g_object_unref (ip4_setting);
			return;
		}
		/************** add all ip settings to the connection**********/
		while (iblock) {
			ip_block *current_iblock;
			NMIP4Address *ip4_addr = nm_ip4_address_new ();

			nm_ip4_address_set_address (ip4_addr, iblock->ip);
			nm_ip4_address_set_prefix (ip4_addr,
						   nm_utils_ip4_netmask_to_prefix
						   (iblock->netmask));
			/* currently all the IPs has the same gateway */
			nm_ip4_address_set_gateway (ip4_addr, iblock->gateway);
			if (iblock->gateway)
				g_object_set (ip4_setting,
					      NM_SETTING_IP4_CONFIG_IGNORE_AUTO_ROUTES,
					      TRUE, NULL);
			if (!nm_setting_ip4_config_add_address (ip4_setting, ip4_addr))
				PLUGIN_WARN (IFNET_PLUGIN_NAME,
					     "ignoring duplicate IP4 address");
			nm_ip4_address_unref (ip4_addr);
			current_iblock = iblock;
			iblock = iblock->next;
			destroy_ip_block (current_iblock);

		}
		g_object_set (ip4_setting,
		              NM_SETTING_IP4_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_MANUAL,
		              NM_SETTING_IP4_CONFIG_NEVER_DEFAULT, !has_default_ip4_route (conn_name),
		              NULL);
	}

	/* add dhcp hostname and client id */
	if (!is_static_block && strstr (method, "dhcp")) {
		gchar *dhcp_hostname, *client_id;

		get_dhcp_hostname_and_client_id (&dhcp_hostname, &client_id);
		if (dhcp_hostname) {
			g_object_set (ip4_setting,
				      NM_SETTING_IP4_CONFIG_DHCP_HOSTNAME,
				      dhcp_hostname, NULL);
			PLUGIN_PRINT (IFNET_PLUGIN_NAME, "DHCP hostname: %s",
				      dhcp_hostname);
			g_free (dhcp_hostname);
		}
		if (client_id) {
			g_object_set (ip4_setting,
				      NM_SETTING_IP4_CONFIG_DHCP_CLIENT_ID,
				      client_id, NULL);
			PLUGIN_PRINT (IFNET_PLUGIN_NAME, "DHCP client id: %s",
				      client_id);
			g_free (client_id);
		}
	}

	/* add all IPv4 dns servers, IPv6 servers will be ignored */
	set_ip4_dns_servers (ip4_setting, conn_name);

	/* DNS searches */
	value = ifnet_get_data (conn_name, "dns_search");
	if (value) {
		char *stripped = g_strdup (value);
		char **searches = NULL;

		strip_string (stripped, '"');

		searches = g_strsplit (stripped, " ", 0);
		if (searches) {
			char **item;

			for (item = searches; *item; item++) {
				if (strlen (*item)) {
					if (!nm_setting_ip4_config_add_dns_search (ip4_setting, *item))
						PLUGIN_WARN
						    (IFNET_PLUGIN_NAME,
						     "    warning: duplicate DNS domain '%s'",
						     *item);
				}
			}
			g_strfreev (searches);
		}
	}

	/* static routes */
	iblock = convert_ip4_routes_block (conn_name);
	while (iblock) {
		ip_block *current_iblock = iblock;
		const char *metric_str;
		char *stripped;
		long int metric;
		NMIP4Route *route = nm_ip4_route_new ();

		nm_ip4_route_set_dest (route, iblock->ip);
		nm_ip4_route_set_next_hop (route, iblock->gateway);
		nm_ip4_route_set_prefix (route,
					 nm_utils_ip4_netmask_to_prefix
					 (iblock->netmask));
		if ((metric_str = ifnet_get_data (conn_name, "metric")) != NULL) {
			metric = strtol (metric_str, NULL, 10);
			nm_ip4_route_set_metric (route, (guint32) metric);
		} else {
			metric_str = ifnet_get_global_data ("metric");
			if (metric_str) {
				stripped = g_strdup (metric_str);
				strip_string (stripped, '"');
				metric = strtol (metric_str, NULL, 10);
				nm_ip4_route_set_metric (route,
							 (guint32) metric);
				g_free (stripped);
			}
		}

		if (!nm_setting_ip4_config_add_route (ip4_setting, route))
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "warning: duplicate IP4 route");
		PLUGIN_PRINT (IFNET_PLUGIN_NAME,
			      "new IP4 route:%d\n", iblock->ip);

		nm_ip4_route_unref (route);

		current_iblock = iblock;
		iblock = iblock->next;
		destroy_ip_block (current_iblock);
	}

	/* Finally add setting to connection */
	nm_connection_add_setting (connection, NM_SETTING (ip4_setting));
}

static void
make_ip6_setting (NMConnection *connection,
                  const char *conn_name,
                  GError **error)
{
	NMSettingIP6Config *s_ip6 = NULL;
	gboolean is_static_block = is_static_ip6 (conn_name);

	// used to disable IPv6
	gboolean ipv6_enabled = FALSE;
	gchar *method = NM_SETTING_IP6_CONFIG_METHOD_MANUAL;
	const char *value;
	ip6_block *iblock;
	gboolean never_default = !has_default_ip6_route (conn_name);

	s_ip6 = (NMSettingIP6Config *) nm_setting_ip6_config_new ();
	if (!s_ip6) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Could not allocate IP6 setting");
		return;
	}

	value = ifnet_get_data (conn_name, "enable_ipv6");
	if (value && is_true (value))
		ipv6_enabled = TRUE;

	//FIXME Handle other methods that NM supports in future
	// Currently only Manual and DHCP are supported
	if (!ipv6_enabled) {
		g_object_set (s_ip6,
			      NM_SETTING_IP6_CONFIG_METHOD,
			      NM_SETTING_IP6_CONFIG_METHOD_IGNORE, NULL);
		goto done;
	} else if (!is_static_block) {
		// config_eth* contains "dhcp6"
		method = NM_SETTING_IP6_CONFIG_METHOD_AUTO;
		never_default = FALSE;
	}
	// else if (!has_ip6_address(conn_name))
	// doesn't have "dhcp6" && doesn't have any ipv6 address
	// method = NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL;
	else
		// doesn't have "dhcp6" && has at least one ipv6 address
		method = NM_SETTING_IP6_CONFIG_METHOD_MANUAL;
	PLUGIN_PRINT (IFNET_PLUGIN_NAME, "IPv6 for %s enabled, using %s",
		      conn_name, method);

	g_object_set (s_ip6,
		      NM_SETTING_IP6_CONFIG_METHOD, method,
		      NM_SETTING_IP6_CONFIG_IGNORE_AUTO_DNS, FALSE,
		      NM_SETTING_IP6_CONFIG_IGNORE_AUTO_ROUTES, FALSE,
		      NM_SETTING_IP6_CONFIG_NEVER_DEFAULT, never_default, NULL);

	/* Make manual settings */
	if (!strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_MANUAL)) {
		ip6_block *current_iblock;

		iblock = convert_ip6_config_block (conn_name);
		if (!iblock) {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Ifnet plugin: can't aquire ip6 configuration for %s",
				     conn_name);
			goto error;
		}
		/* add all IPv6 addresses */
		while (iblock) {
			NMIP6Address *ip6_addr = nm_ip6_address_new ();

			nm_ip6_address_set_address (ip6_addr, iblock->ip);
			nm_ip6_address_set_prefix (ip6_addr, iblock->prefix);
			if (nm_setting_ip6_config_add_address (s_ip6, ip6_addr)) {
				PLUGIN_PRINT (IFNET_PLUGIN_NAME,
					      "ipv6 addresses count: %d",
					      nm_setting_ip6_config_get_num_addresses
					      (s_ip6));
			} else {
				PLUGIN_WARN (IFNET_PLUGIN_NAME,
					     "ignoring duplicate IP4 address");
			}
			nm_ip6_address_unref (ip6_addr);
			current_iblock = iblock;
			iblock = iblock->next;
			destroy_ip6_block (current_iblock);
		}

	} else if (!strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO)) {
		/* - autoconf or DHCPv6 stuff goes here */
	}
	// DNS Servers, set NM_SETTING_IP6_CONFIG_IGNORE_AUTO_DNS TRUE here
	set_ip6_dns_servers (s_ip6, conn_name);

	/* DNS searches ('DOMAIN' key) are read by make_ip4_setting() and included in NMSettingIP4Config */

	// Add routes
	iblock = convert_ip6_routes_block (conn_name);
	if (iblock)
		g_object_set (s_ip6, NM_SETTING_IP6_CONFIG_IGNORE_AUTO_ROUTES,
			      TRUE, NULL);
	/* Add all IPv6 routes */
	while (iblock) {
		ip6_block *current_iblock = iblock;
		const char *metric_str;
		char *stripped;
		long int metric = 1;
		NMIP6Route *route = nm_ip6_route_new ();

		nm_ip6_route_set_dest (route, iblock->ip);
		nm_ip6_route_set_next_hop (route, iblock->next_hop);
		nm_ip6_route_set_prefix (route, iblock->prefix);
		/* metric is not per routes configuration right now
		 * global metric is also supported (metric="x") */
		if ((metric_str = ifnet_get_data (conn_name, "metric")) != NULL) {
			metric = strtol (metric_str, NULL, 10);
			nm_ip6_route_set_metric (route, (guint32) metric);
		} else {
			metric_str = ifnet_get_global_data ("metric");
			if (metric_str) {
				stripped = g_strdup (metric_str);
				strip_string (stripped, '"');
				metric = strtol (metric_str, NULL, 10);
				nm_ip6_route_set_metric (route,
							 (guint32) metric);
				g_free (stripped);
			} else
				nm_ip6_route_set_metric (route, (guint32) 1);
		}

		if (!nm_setting_ip6_config_add_route (s_ip6, route))
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "    warning: duplicate IP6 route");
		PLUGIN_PRINT (IFNET_PLUGIN_NAME, "    info: new IP6 route");
		nm_ip6_route_unref (route);

		current_iblock = iblock;
		iblock = iblock->next;
		destroy_ip6_block (current_iblock);
	}

done:
	nm_connection_add_setting (connection, NM_SETTING (s_ip6));
	return;

error:
	g_object_unref (s_ip6);
	PLUGIN_WARN (IFNET_PLUGIN_NAME, "    warning: Ignore IPv6 for %s",
		     conn_name);
	return;
}

static NMSetting *
make_wireless_connection_setting (const char *conn_name,
                                  NMSetting8021x **s_8021x,
                                  GError **error)
{
	GByteArray *array, *mac = NULL;
	NMSettingWireless *wireless_setting = NULL;
	gboolean adhoc = FALSE;
	const char *value;
	const char *type;

	/* PPP over WIFI is not supported yet */
	g_return_val_if_fail (conn_name != NULL
			      && strcmp (ifnet_get_data (conn_name, "type"),
					 "ppp") != 0, NULL);
	type = ifnet_get_data (conn_name, "type");
	if (strcmp (type, "ppp") == 0) {
		PLUGIN_WARN (IFNET_PLUGIN_NAME,
			     "PPP over WIFI is not supported yet");
		return NULL;
	}

	wireless_setting = NM_SETTING_WIRELESS (nm_setting_wireless_new ());
	if (read_mac_address (conn_name, &mac, error)) {
		if (mac) {
			g_object_set (wireless_setting,
				      NM_SETTING_WIRELESS_MAC_ADDRESS, mac,
				      NULL);
			g_byte_array_free (mac, TRUE);

		}
	} else {
		g_object_unref (wireless_setting);
		return NULL;
	}

	/* handle ssid (hex and ascii) */
	if (conn_name) {
		gsize ssid_len = 0, value_len = strlen (conn_name);
		const char *p;
		char *tmp, *converted = NULL;

		ssid_len = value_len;
		if ((value_len > 2) && (g_str_has_prefix (conn_name, "0x"))) {
			/* Hex representation */
			if (value_len % 2) {
				g_set_error (error, ifnet_plugin_error_quark (),
					     0,
					     "Invalid SSID '%s' size (looks like hex but length not multiple of 2)",
					     conn_name);
				goto error;
			}
			// ignore "0x"
			p = conn_name + 2;
			if (!is_hex (p)) {
				g_set_error (error,
					     ifnet_plugin_error_quark (),
					     0,
					     "Invalid SSID '%s' character (looks like hex SSID but '%c' isn't a hex digit)",
					     conn_name, *p);
				goto error;

			}
			tmp = utils_hexstr2bin (p, value_len - 2);
			ssid_len = (value_len - 2) / 2;
			converted = g_malloc0 (ssid_len + 1);
			memcpy (converted, tmp, ssid_len);
			g_free (tmp);
		}

		if (ssid_len > 32 || ssid_len == 0) {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Invalid SSID '%s' (size %zu not between 1 and 32 inclusive)",
				     conn_name, ssid_len);
			goto error;
		}
		array = g_byte_array_sized_new (ssid_len);
		g_byte_array_append (array, (const guint8 *) (converted ? converted : conn_name), ssid_len);
		g_object_set (wireless_setting, NM_SETTING_WIRELESS_SSID, array, NULL);
		g_byte_array_free (array, TRUE);
		g_free (converted);
	} else {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing SSID");
		goto error;
	}

	/* mode=0: infrastructure
	 * mode=1: adhoc */
	value = wpa_get_value (conn_name, "mode");
	if (value)
		adhoc = strcmp (value, "1") == 0 ? TRUE : FALSE;

	if (exist_ssid (conn_name)) {
		const char *mode = adhoc ? "adhoc" : "infrastructure";

		g_object_set (wireless_setting, NM_SETTING_WIRELESS_MODE, mode,
			      NULL);
		PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Using mode: %s", mode);
	}

	/* BSSID setting */
	value = wpa_get_value (conn_name, "bssid");
	if (value) {
		GByteArray *bssid;

		bssid = nm_utils_hwaddr_atoba (value, ARPHRD_ETHER);
		if (!bssid) {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
						 "Invalid BSSID '%s'", value);
			goto error;
		}

		g_object_set (wireless_setting, NM_SETTING_WIRELESS_BSSID,
			      bssid, NULL);
		g_byte_array_free (bssid, TRUE);

	}

	/* mtu_ssid="xx" */
	value = ifnet_get_data (conn_name, "mtu");
	if (value) {
		long int mtu;

		errno = 0;
		mtu = strtol (value, NULL, 10);
		if (errno || mtu < 0 || mtu > 50000) {
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "    warning: invalid MTU '%s' for %s",
				     value, conn_name);
		} else
			g_object_set (wireless_setting, NM_SETTING_WIRELESS_MTU,
				      (guint32) mtu, NULL);

	}

	PLUGIN_PRINT (IFNET_PLUGIN_NAME, "wireless_setting added for %s",
		      conn_name);
	return NM_SETTING (wireless_setting);
error:
	if (wireless_setting)
		g_object_unref (wireless_setting);
	return NULL;

}

static NMSettingWirelessSecurity *
make_leap_setting (const char *ssid, GError **error)
{
	NMSettingWirelessSecurity *wsec;
	const char *value;

	wsec =
	    NM_SETTING_WIRELESS_SECURITY (nm_setting_wireless_security_new ());

	value = wpa_get_value (ssid, "key_mgmt");
	if (!value || strcmp (value, "IEEE8021X"))
		goto error;	/* Not LEAP */

	value = wpa_get_value (ssid, "eap");
	if (!value || strcasecmp (value, "LEAP"))
		goto error;	/* Not LEAP */

	value = wpa_get_value (ssid, "password");
	if (value && strlen (value))
		g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_LEAP_PASSWORD,
			      value, NULL);

	value = wpa_get_value (ssid, "identity");
	if (!value || !strlen (value)) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing LEAP identity");
		goto error;
	}
	g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_LEAP_USERNAME, value,
		      NULL);

	g_object_set (wsec,
		      NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "ieee8021x",
		      NM_SETTING_WIRELESS_SECURITY_AUTH_ALG, "leap", NULL);

	return wsec;
error:
	if (wsec)
		g_object_unref (wsec);
	return NULL;
}

static gboolean
add_one_wep_key (const char *ssid,
                 const char *key,
                 int key_idx,
                 NMSettingWirelessSecurity *s_wsec,
                 GError **error)
{
	const char *value;
	char *converted = NULL;
	gboolean success = FALSE;

	g_return_val_if_fail (ssid != NULL, FALSE);
	g_return_val_if_fail (key != NULL, FALSE);
	g_return_val_if_fail (key_idx >= 0 && key_idx <= 3, FALSE);
	g_return_val_if_fail (s_wsec != NULL, FALSE);

	value = wpa_get_value (ssid, key);
	if (!value)
		return TRUE;

	/* Validate keys */
	if (strlen (value) == 10 || strlen (value) == 26) {
		/* Hexadecimal WEP key */
		if (!is_hex (value)) {
			g_set_error (error, ifnet_plugin_error_quark (),
				     0, "Invalid hexadecimal WEP key.");
			goto out;
		}
		converted = g_strdup (value);
	} else if (value[0] == '"'
		   && (strlen (value) == 7 || strlen (value) == 15)) {
		/* ASCII passphrase */
		char *tmp = g_strdup (value);
		char *p = strip_string (tmp, '"');

		if (!is_ascii (p)) {
			g_set_error (error, ifnet_plugin_error_quark (),
				     0, "Invalid ASCII WEP passphrase.");
			g_free (tmp);
			goto out;

		}

		converted = utils_bin2hexstr (tmp, strlen (tmp), strlen (tmp) * 2);
		g_free (tmp);
	} else {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Invalid WEP key length. Key: %s", value);
		goto out;
	}

	if (converted) {
		nm_setting_wireless_security_set_wep_key (s_wsec, key_idx, converted);
		g_free (converted);
		success = TRUE;
	}

out:
	return success;
}

static gboolean
add_wep_keys (const char *ssid,
              NMSettingWirelessSecurity *s_wsec,
              GError **error)
{
	if (!add_one_wep_key (ssid, "wep_key0", 0, s_wsec, error))
		return FALSE;
	if (!add_one_wep_key (ssid, "wep_key1", 1, s_wsec, error))
		return FALSE;
	if (!add_one_wep_key (ssid, "wep_key2", 2, s_wsec, error))
		return FALSE;
	if (!add_one_wep_key (ssid, "wep_key3", 3, s_wsec, error))
		return FALSE;
	return TRUE;

}

static NMSettingWirelessSecurity *
make_wep_setting (const char *ssid, GError **error)
{
	const char *auth_alg, *value;
	int default_key_idx = 0;
	NMSettingWirelessSecurity *s_wireless_sec;

	s_wireless_sec =
	    NM_SETTING_WIRELESS_SECURITY (nm_setting_wireless_security_new ());
	g_object_set (s_wireless_sec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT,
		      "none", NULL);

	/* default key index */
	value = wpa_get_value (ssid, "wep_tx_keyidx");
	if (value) {
		default_key_idx = atoi (value);
		if (default_key_idx >= 0 && default_key_idx <= 3) {
			g_object_set (s_wireless_sec,
				      NM_SETTING_WIRELESS_SECURITY_WEP_TX_KEYIDX,
				      default_key_idx, NULL);
			PLUGIN_PRINT (IFNET_PLUGIN_NAME,
				      "Default key index: %d", default_key_idx);
		} else {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Invalid default WEP key '%s'", value);
			goto error;
		}
	}

	if (!add_wep_keys (ssid, s_wireless_sec, error))
		goto error;

	/* If there's a default key, ensure that key exists */
	if ((default_key_idx == 1)
	    && !nm_setting_wireless_security_get_wep_key (s_wireless_sec, 1)) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Default WEP key index was 2, but no valid KEY2 exists.");
		goto error;
	} else if ((default_key_idx == 2)
		   && !nm_setting_wireless_security_get_wep_key (s_wireless_sec,
								 2)) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Default WEP key index was 3, but no valid KEY3 exists.");
		goto error;
	} else if ((default_key_idx == 3)
		   && !nm_setting_wireless_security_get_wep_key (s_wireless_sec,
								 3)) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Default WEP key index was 4, but no valid KEY4 exists.");
		goto error;
	}

	/* authentication algorithms */
	auth_alg = wpa_get_value (ssid, "auth_alg");
	if (auth_alg) {
		if (strcmp (auth_alg, "OPEN") == 0) {
			g_object_set (s_wireless_sec,
				      NM_SETTING_WIRELESS_SECURITY_AUTH_ALG,
				      "open", NULL);
			PLUGIN_PRINT (IFNET_PLUGIN_NAME,
				      "WEP: Use open system authentication");
		} else if (strcmp (auth_alg, "SHARED") == 0) {
			g_object_set (s_wireless_sec,
				      NM_SETTING_WIRELESS_SECURITY_AUTH_ALG,
				      "shared", NULL);
			PLUGIN_PRINT (IFNET_PLUGIN_NAME,
				      "WEP: Use shared system authentication");
		} else {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Invalid WEP authentication algorithm '%s'",
				     auth_alg);
			goto error;
		}

	}

	if (!nm_setting_wireless_security_get_wep_key (s_wireless_sec, 0)
	    && !nm_setting_wireless_security_get_wep_key (s_wireless_sec, 1)
	    && !nm_setting_wireless_security_get_wep_key (s_wireless_sec, 2)
	    && !nm_setting_wireless_security_get_wep_key (s_wireless_sec, 3)
	    && !nm_setting_wireless_security_get_wep_tx_keyidx (s_wireless_sec)) {
		if (auth_alg && !strcmp (auth_alg, "shared")) {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "WEP Shared Key authentication is invalid for "
				     "unencrypted connections.");
			goto error;
		}
		/* Unencrypted */
		g_object_unref (s_wireless_sec);
		s_wireless_sec = NULL;
	}
	return s_wireless_sec;

error:
	if (s_wireless_sec)
		g_object_unref (s_wireless_sec);
	return NULL;
}

static char *
parse_wpa_psk (const char *psk, GError **error)
{
	char *hashed = NULL;
	gboolean quoted = FALSE;

	if (!psk) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing WPA_PSK for WPA-PSK key management");
		return NULL;
	}

	/* Passphrase must be between 10 and 66 characters in length becuase WPA
	 * hex keys are exactly 64 characters (no quoting), and WPA passphrases
	 * are between 8 and 63 characters (inclusive), plus optional quoting if
	 * the passphrase contains spaces.
	 */

	if (psk[0] == '"' && psk[strlen (psk) - 1] == '"')
		quoted = TRUE;
	if (!quoted && (strlen (psk) == 64)) {
		/* Verify the hex PSK; 64 digits */
		if (!is_hex (psk)) {
			g_set_error (error, ifnet_plugin_error_quark (),
				     0,
				     "Invalid WPA_PSK (contains non-hexadecimal characters)");
			goto out;
		}
		hashed = g_strdup (psk);
	} else {
		char *stripped = g_strdup (psk);

		strip_string (stripped, '"');

		/* Length check */
		if (strlen (stripped) < 8 || strlen (stripped) > 63) {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Invalid WPA_PSK (passphrases must be between "
				     "8 and 63 characters long (inclusive))");
			g_free (stripped);
			goto out;
		}

		hashed = g_strdup (stripped);
		g_free (stripped);
	}

	if (!hashed) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Invalid WPA_PSK (doesn't look like a passphrase or hex key)");
		goto out;
	}

out:
	return hashed;
}

static gboolean
fill_wpa_ciphers (const char *ssid,
                  NMSettingWirelessSecurity *wsec,
                  gboolean group,
                  gboolean adhoc)
{
	const char *value;
	char **list = NULL, **iter;
	int i = 0;

	value = wpa_get_value (ssid, group ? "group" : "pairwise");
	if (!value)
		return TRUE;

	list = g_strsplit_set (value, " ", 0);
	for (iter = list; iter && *iter; iter++, i++) {
		/* Ad-Hoc configurations cannot have pairwise ciphers, and can only
		 * have one group cipher.  Ignore any additional group ciphers and
		 * any pairwise ciphers specified.
		 */
		if (adhoc) {
			if (group && (i > 0)) {
				PLUGIN_WARN (IFNET_PLUGIN_NAME,
					     "    warning: ignoring group cipher '%s' (only one group cipher allowed in Ad-Hoc mode)",
					     *iter);
				continue;
			} else if (!group) {
				PLUGIN_WARN (IFNET_PLUGIN_NAME,
					     "    warning: ignoring pairwise cipher '%s' (pairwise not used in Ad-Hoc mode)",
					     *iter);
				continue;
			}
		}

		if (!strcmp (*iter, "CCMP")) {
			if (group)
				nm_setting_wireless_security_add_group (wsec,
									"ccmp");
			else
				nm_setting_wireless_security_add_pairwise (wsec,
									   "ccmp");
		} else if (!strcmp (*iter, "TKIP")) {
			if (group)
				nm_setting_wireless_security_add_group (wsec,
									"tkip");
			else
				nm_setting_wireless_security_add_pairwise (wsec,
									   "tkip");
		} else if (group && !strcmp (*iter, "WEP104"))
			nm_setting_wireless_security_add_group (wsec, "wep104");
		else if (group && !strcmp (*iter, "WEP40"))
			nm_setting_wireless_security_add_group (wsec, "wep40");
		else {
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "    warning: ignoring invalid %s cipher '%s'",
				     group ? "CIPHER_GROUP" : "CIPHER_PAIRWISE",
				     *iter);
		}
	}

	if (list)
		g_strfreev (list);
	return TRUE;
}

static NMSetting8021x *
fill_8021x (const char *ssid,
            const char *key_mgmt,
            gboolean wifi,
            const char *basepath,
            GError **error)
{
	NMSetting8021x *s_8021x;
	const char *value;
	char **list, **iter;

	value = wpa_get_value (ssid, "eap");
	if (!value) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Missing IEEE_8021X_EAP_METHODS for key management '%s'",
			     key_mgmt);
		return NULL;
	}

	list = g_strsplit (value, " ", 0);

	s_8021x = (NMSetting8021x *) nm_setting_802_1x_new ();
	/* Validate and handle each EAP method */
	for (iter = list; iter && *iter; iter++) {
		EAPReader *eap = &eap_readers[0];
		gboolean found = FALSE;
		char *lower = NULL;

		lower = g_ascii_strdown (*iter, -1);
		while (eap->method && !found) {
			if (strcmp (eap->method, lower))
				goto next;

			/* Some EAP methods don't provide keying material, thus they
			 * cannot be used with WiFi unless they are an inner method
			 * used with TTLS or PEAP or whatever.
			 */
			if (wifi && eap->wifi_phase2_only) {
				PLUGIN_WARN (IFNET_PLUGIN_NAME,
					     "    warning: ignored invalid "
					     "IEEE_8021X_EAP_METHOD '%s'; not allowed for wifi.",
					     lower);
				goto next;
			}

			/* Parse EAP method specific options */
			if (!(*eap->reader) (lower, ssid, s_8021x, FALSE, basepath, error)) {
				g_free (lower);
				goto error;
			}
			nm_setting_802_1x_add_eap_method (s_8021x, lower);
			found = TRUE;

		next:
			eap++;
		}

		if (!found) {
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "    warning: ignored unknown"
				     "IEEE_8021X_EAP_METHOD '%s'.", lower);
		}
		g_free (lower);
	}
	g_strfreev (list);

	if (nm_setting_802_1x_get_num_eap_methods (s_8021x) == 0) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "No valid EAP methods found in IEEE_8021X_EAP_METHODS.");
		goto error;
	}

	return s_8021x;

error:
	g_object_unref (s_8021x);
	return NULL;
}

static NMSettingWirelessSecurity *
make_wpa_setting (const char *ssid,
                  const char *basepath,
                  NMSetting8021x **s_8021x,
                  GError **error)
{
	NMSettingWirelessSecurity *wsec;
	const char *value;
	char *lower;
	gboolean adhoc = FALSE;

	if (!exist_ssid (ssid)) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "No security info found for ssid: %s", ssid);
		return NULL;
	}

	wsec = NM_SETTING_WIRELESS_SECURITY (nm_setting_wireless_security_new ());

	/* mode=1: adhoc
	 * mode=0: infrastructure */
	value = wpa_get_value (ssid, "mode");
	if (value)
		adhoc = strcmp (value, "1") == 0 ? TRUE : FALSE;

	value = wpa_get_value (ssid, "key_mgmt");
	/* Not WPA or Dynamic WEP */
	if (!value)
		goto error;
	if (strcmp (value, "WPA-PSK") && strcmp (value, "WPA-EAP"))
		goto error;
	/* Pairwise and Group ciphers */
	fill_wpa_ciphers (ssid, wsec, FALSE, adhoc);
	fill_wpa_ciphers (ssid, wsec, TRUE, adhoc);

	/* WPA and/or RSN */
	if (adhoc) {
		/* Ad-Hoc mode only supports WPA proto for now */
		nm_setting_wireless_security_add_proto (wsec, "wpa");
	} else {
		nm_setting_wireless_security_add_proto (wsec, "wpa");
		nm_setting_wireless_security_add_proto (wsec, "rsn");

	}

	if (!strcmp (value, "WPA-PSK")) {
		char *psk = parse_wpa_psk (wpa_get_value (ssid, "psk"), error);

		if (!psk)
			goto error;
		g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_PSK, psk,
			      NULL);
		g_free (psk);

		if (adhoc)
			g_object_set (wsec,
				      NM_SETTING_WIRELESS_SECURITY_KEY_MGMT,
				      "wpa-none", NULL);
		else
			g_object_set (wsec,
				      NM_SETTING_WIRELESS_SECURITY_KEY_MGMT,
				      "wpa-psk", NULL);
	} else if (!strcmp (value, "WPA-EAP") || !strcmp (value, "IEEE8021X")) {
		if (adhoc) {
			g_set_error (error, ifnet_plugin_error_quark (), 0,
				     "Ad-Hoc mode cannot be used with KEY_MGMT type '%s'",
				     value);
			goto error;
		}
		*s_8021x = fill_8021x (ssid, value, TRUE, basepath, error);
		if (!*s_8021x)
			goto error;

		lower = g_ascii_strdown (value, -1);
		g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT,
			      lower, NULL);
		g_free (lower);
	} else {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Unknown wireless KEY_MGMT type '%s'", value);
		goto error;
	}
	return wsec;
error:
	if (wsec)
		g_object_unref (wsec);
	return NULL;
}

static NMSettingWirelessSecurity *
make_wireless_security_setting (const char *conn_name,
                                const char *basepath,
                                NMSetting8021x **s_8021x,
                                GError ** error)
{
	NMSettingWirelessSecurity *wsec = NULL;
	const char *ssid;
	gboolean adhoc = FALSE;
	const char *value;

	g_return_val_if_fail (conn_name != NULL
			      && strcmp (ifnet_get_data (conn_name, "type"),
					 "ppp") != 0, NULL);
	if (!wpa_get_value (conn_name, "ssid"))
		return NULL;
	PLUGIN_PRINT (IFNET_PLUGIN_NAME,
		      "updating wireless security settings (%s).", conn_name);

	ssid = conn_name;
	value = wpa_get_value (ssid, "mode");
	if (value)
		adhoc = strcmp (value, "1") == 0 ? TRUE : FALSE;

	if (!adhoc) {
		wsec = make_leap_setting (ssid, error);
		if (error && *error)
			goto error;
	}
	if (!wsec) {
		wsec = make_wpa_setting (ssid, basepath, s_8021x, error);
		if (error && *error)
			goto error;
	}
	if (!wsec) {
		wsec = make_wep_setting (ssid, error);
		if (error && *error)
			goto error;
	}

	if (!wsec) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "Can't handle security information for ssid: %s",
			     conn_name);
	}

	return wsec;
error:
	return NULL;
}

/* Currently only support username and password */
static void
make_pppoe_connection_setting (NMConnection *connection,
                               const char *conn_name,
                               GError **error)
{
	NMSettingPPPOE *s_pppoe;
	NMSettingPPP *s_ppp;
	const char *value;

	s_pppoe = NM_SETTING_PPPOE (nm_setting_pppoe_new ());

	/* username */
	value = ifnet_get_data (conn_name, "username");
	if (!value) {
		g_set_error (error, ifnet_plugin_error_quark (), 0,
			     "ppp requires at lease a username");
		return;
	}
	g_object_set (s_pppoe, NM_SETTING_PPPOE_USERNAME, value, NULL);

	/* password */
	value = ifnet_get_data (conn_name, "password");
	if (!value) {
		value = "";
	}

	g_object_set (s_pppoe, NM_SETTING_PPPOE_PASSWORD, value, NULL);
	nm_connection_add_setting (connection, NM_SETTING (s_pppoe));

	/* PPP setting */
	s_ppp = (NMSettingPPP *) nm_setting_ppp_new ();
	nm_connection_add_setting (connection, NM_SETTING (s_ppp));
}

NMConnection *
ifnet_update_connection_from_config_block (const char *conn_name,
                                           const char *basepath,
                                           GError **error)
{
	const gchar *type = NULL;
	NMConnection *connection = NULL;
	NMSettingConnection *setting = NULL;
	NMSetting8021x *s_8021x = NULL;
	NMSettingWirelessSecurity *wsec = NULL;
	gboolean auto_conn = TRUE;
	const char *value = NULL;
	gboolean success = FALSE;

	connection = nm_connection_new ();
	if (!connection)
		return NULL;
	setting = nm_connection_get_setting_connection (connection);
	if (!setting) {
		setting = NM_SETTING_CONNECTION (nm_setting_connection_new ());
		g_assert (setting);
		nm_connection_add_setting (connection, NM_SETTING (setting));
	}

	type = guess_connection_type (conn_name);
	value = ifnet_get_data (conn_name, "auto");
	if (value && !strcmp (value, "false"))
		auto_conn = FALSE;
	update_connection_id (connection, conn_name);
	g_object_set (setting, NM_SETTING_CONNECTION_TYPE, type,
		      NM_SETTING_CONNECTION_READ_ONLY, FALSE,
		      NM_SETTING_CONNECTION_AUTOCONNECT, auto_conn, NULL);

	if (!strcmp (NM_SETTING_WIRED_SETTING_NAME, type)
	    || !strcmp (NM_SETTING_PPPOE_SETTING_NAME, type)) {
		/* wired setting */
		make_wired_connection_setting (connection, conn_name, error);
		if (error && *error) {
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "Found error: %s", (*error)->message);
			goto error;
		}
		/* pppoe setting */
		if (!strcmp (NM_SETTING_PPPOE_SETTING_NAME, type))
			make_pppoe_connection_setting (connection, conn_name,
						       error);
		if (error && *error) {
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "Found error: %s", (*error)->message);
			goto error;
		}
	} else if (!strcmp (NM_SETTING_WIRELESS_SETTING_NAME, type)) {
		/* wireless setting */
		NMSetting *wireless_setting;

		wireless_setting = make_wireless_connection_setting (conn_name, &s_8021x, error);
		if (!wireless_setting)
			goto error;
		nm_connection_add_setting (connection, wireless_setting);

		if (error && *error) {
			PLUGIN_WARN (IFNET_PLUGIN_NAME,
				     "Found error: …