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-rw-r--r--src/settings/plugins/ibft/nms-ibft-plugin.c2
-rw-r--r--src/settings/plugins/ifcfg-rh/nm-ifcfg-rh.conf11
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c104
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c18
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c2282
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.h13
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c25
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.h26
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c1268
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.h30
-rw-r--r--src/settings/plugins/ifcfg-rh/shvar.c323
-rw-r--r--src/settings/plugins/ifcfg-rh/shvar.h33
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_Bond_Main.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Vlan_test-vlan-interface.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-team-slave-enp31s0f1-142.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-bridge-main2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wired-802-1x-password-raw13
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/route-test-wired-static-routes-legacy1
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c258
-rw-r--r--src/settings/plugins/ifnet/nms-ifnet-connection-parser.c2
-rw-r--r--src/settings/plugins/ifnet/nms-ifnet-connection.c76
-rw-r--r--src/settings/plugins/ifnet/nms-ifnet-net-parser.c6
-rw-r--r--src/settings/plugins/ifnet/nms-ifnet-plugin.c45
-rw-r--r--src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c9
-rw-r--r--src/settings/plugins/ifupdown/nms-ifupdown-plugin.c15
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-connection.c74
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-plugin.c4
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-writer.c3
-rw-r--r--src/settings/plugins/keyfile/tests/test-keyfile.c6
29 files changed, 2524 insertions, 2131 deletions
diff --git a/src/settings/plugins/ibft/nms-ibft-plugin.c b/src/settings/plugins/ibft/nms-ibft-plugin.c
index c9069dc7..9b1f5ccd 100644
--- a/src/settings/plugins/ibft/nms-ibft-plugin.c
+++ b/src/settings/plugins/ibft/nms-ibft-plugin.c
@@ -152,7 +152,7 @@ nms_ibft_plugin_init (NMSIbftPlugin *self)
 {
 	NMSIbftPluginPrivate *priv = NMS_IBFT_PLUGIN_GET_PRIVATE (self);
 
-	priv->connections = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
+	priv->connections = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, g_object_unref);
 }
 
 static void
diff --git a/src/settings/plugins/ifcfg-rh/nm-ifcfg-rh.conf b/src/settings/plugins/ifcfg-rh/nm-ifcfg-rh.conf
index 8fefaf18..cc6ccb5c 100644
--- a/src/settings/plugins/ifcfg-rh/nm-ifcfg-rh.conf
+++ b/src/settings/plugins/ifcfg-rh/nm-ifcfg-rh.conf
@@ -2,16 +2,11 @@
  "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
  "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
 <busconfig>
-        <policy user="root">
-                <allow own="com.redhat.ifcfgrh1"/>
-                <allow send_destination="com.redhat.ifcfgrh1"/>
-        </policy>
-        <policy at_console="true">
-                <allow send_destination="com.redhat.ifcfgrh1"/>
-        </policy>
         <policy context="default">
-                <deny own="com.redhat.ifcfgrh1"/>
                 <allow send_destination="com.redhat.ifcfgrh1"/>
         </policy>
+        <policy user="root">
+                <allow own="com.redhat.ifcfgrh1"/>
+        </policy>
 </busconfig>
 
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c
index b54f9549..4c1d02ae 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c
@@ -306,75 +306,52 @@ nm_ifcfg_connection_get_unrecognized_spec (NMIfcfgConnection *self)
 	return NM_IFCFG_CONNECTION_GET_PRIVATE (self)->unrecognized_spec;
 }
 
-static void
-replace_and_commit (NMSettingsConnection *connection,
-                    NMConnection *new_connection,
-                    NMSettingsConnectionCommitFunc callback,
-                    gpointer user_data)
-{
-	const char *filename;
-	GError *error = NULL;
-
-	filename = nm_settings_connection_get_filename (connection);
-	if (filename && utils_has_complex_routes (filename)) {
-		if (callback) {
-			error = g_error_new_literal (NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-			                             "Cannot modify a connection that has an associated 'rule-' or 'rule6-' file");
-			callback (connection, error, user_data);
-			g_clear_error (&error);
-		}
-		return;
-	}
-
-	NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->replace_and_commit (connection, new_connection, callback, user_data);
-}
-
-static void
+static gboolean
 commit_changes (NMSettingsConnection *connection,
+                NMConnection *new_connection,
                 NMSettingsConnectionCommitReason commit_reason,
-                NMSettingsConnectionCommitFunc callback,
-                gpointer user_data)
+                NMConnection **out_reread_connection,
+                char **out_logmsg_change,
+                GError **error)
 {
-	GError *error = NULL;
-	gboolean success = FALSE;
-	char *ifcfg_path = NULL;
 	const char *filename;
+	gs_unref_object NMConnection *reread = NULL;
+	gboolean reread_same = TRUE;
+	const char *operation_message;
+	gs_free char *ifcfg_path = NULL;
 
-	filename = nm_settings_connection_get_filename (connection);
-	if (filename) {
-		success = writer_update_connection (NM_CONNECTION (connection),
-		                                    IFCFG_DIR,
-		                                    filename,
-		                                    NULL,
-		                                    NULL,
-		                                    &error);
-	} else {
-		success = writer_new_connection (NM_CONNECTION (connection),
-		                                 IFCFG_DIR,
-		                                 &ifcfg_path,
-		                                 NULL,
-		                                 NULL,
-		                                 &error);
-		if (success) {
-			nm_settings_connection_set_filename (connection, ifcfg_path);
-			g_free (ifcfg_path);
-		}
-	}
+	nm_assert (out_reread_connection && !*out_reread_connection);
+	nm_assert (!out_logmsg_change || !*out_logmsg_change);
 
-	if (success) {
-		/* Chain up to parent to handle success */
-		NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->commit_changes (connection, commit_reason, callback, user_data);
-	} else {
-		/* Otherwise immediate error */
-		callback (connection, error, user_data);
-		g_error_free (error);
-	}
+	filename = nm_settings_connection_get_filename (connection);
+	if (!nms_ifcfg_rh_writer_write_connection (new_connection ?: NM_CONNECTION (connection),
+	                                           IFCFG_DIR,
+	                                           filename,
+	                                           &ifcfg_path,
+	                                           &reread,
+	                                           &reread_same,
+	                                           error))
+		return FALSE;
+
+	nm_assert ((!filename && ifcfg_path) || (filename && !ifcfg_path));
+	if (ifcfg_path) {
+		nm_settings_connection_set_filename (connection, ifcfg_path);
+		operation_message = "persist";
+	} else
+		operation_message = "update";
+
+	if (reread && !reread_same)
+		*out_reread_connection = g_steal_pointer (&reread);
+
+	NM_SET_OUT (out_logmsg_change,
+	            g_strdup_printf ("ifcfg-rh: %s %s",
+	                             operation_message, filename));
+	return TRUE;
 }
 
-static void
-do_delete (NMSettingsConnection *connection,
-	       NMSettingsConnectionDeleteFunc callback,
-	       gpointer user_data)
+static gboolean
+delete (NMSettingsConnection *connection,
+        GError **error)
 {
 	NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE ((NMIfcfgConnection *) connection);
 	const char *filename;
@@ -390,7 +367,7 @@ do_delete (NMSettingsConnection *connection,
 			g_unlink (priv->route6file);
 	}
 
-	NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->delete (connection, callback, user_data);
+	return TRUE;
 }
 
 /*****************************************************************************/
@@ -529,8 +506,7 @@ nm_ifcfg_connection_class_init (NMIfcfgConnectionClass *ifcfg_connection_class)
 	object_class->get_property = get_property;
 	object_class->dispose      = dispose;
 
-	settings_class->delete = do_delete;
-	settings_class->replace_and_commit = replace_and_commit;
+	settings_class->delete = delete;
 	settings_class->commit_changes = commit_changes;
 
 	obj_properties[PROP_UNMANAGED_SPEC] =
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c
index a3092e71..da0920ef 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c
@@ -461,7 +461,7 @@ _paths_from_connections (GHashTable *connections)
 {
 	GHashTableIter iter;
 	NMIfcfgConnection *connection;
-	GHashTable *paths = g_hash_table_new (g_str_hash, g_str_equal);
+	GHashTable *paths = g_hash_table_new (nm_str_hash, g_str_equal);
 
 	g_hash_table_iter_init (&iter, connections);
 	while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &connection)) {
@@ -679,18 +679,16 @@ add_connection (NMSettingsPlugin *config,
 {
 	SettingsPluginIfcfg *self = SETTINGS_PLUGIN_IFCFG (config);
 	gs_free char *path = NULL;
-
-	/* Ensure we reject attempts to add the connection long before we're
-	 * asked to write it to disk.
-	 */
-	if (!writer_can_write_connection (connection, error))
-		return NULL;
+	gs_unref_object NMConnection *reread = NULL;
 
 	if (save_to_disk) {
-		if (!writer_new_connection (connection, IFCFG_DIR, &path, NULL, NULL, error))
+		if (!nms_ifcfg_rh_writer_write_connection (connection, IFCFG_DIR, NULL, &path, &reread, NULL, error))
+			return NULL;
+	} else {
+		if (!nms_ifcfg_rh_writer_can_write_connection (connection, error))
 			return NULL;
 	}
-	return NM_SETTINGS_CONNECTION (update_connection (self, connection, path, NULL, FALSE, NULL, error));
+	return NM_SETTINGS_CONNECTION (update_connection (self, reread ?: connection, path, NULL, FALSE, NULL, error));
 }
 
 static void
@@ -991,7 +989,7 @@ settings_plugin_ifcfg_init (SettingsPluginIfcfg *plugin)
 {
 	SettingsPluginIfcfgPrivate *priv = SETTINGS_PLUGIN_IFCFG_GET_PRIVATE ((SettingsPluginIfcfg *) plugin);
 
-	priv->connections = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
+	priv->connections = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, g_object_unref);
 }
 
 static void
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
index 164f6844..4754bea5 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
@@ -89,6 +89,64 @@ get_uint (const char *str, guint32 *value)
 	return TRUE;
 }
 
+static void
+check_if_bond_slave (shvarFile *ifcfg,
+                     NMSettingConnection *s_con)
+{
+	gs_free char *value = NULL;
+	const char *v;
+	const char *master;
+
+	v = svGetValueStr (ifcfg, "MASTER_UUID", &value);
+	if (!v)
+		v = svGetValueStr (ifcfg, "MASTER", &value);
+
+	if (v) {
+		master = nm_setting_connection_get_master (s_con);
+		if (master) {
+			PARSE_WARNING ("Already configured as slave of %s. Ignoring MASTER{_UUID}=\"%s\"",
+			               master, v);
+			return;
+		}
+
+		g_object_set (s_con,
+		              NM_SETTING_CONNECTION_MASTER, v,
+		              NM_SETTING_CONNECTION_SLAVE_TYPE, NM_SETTING_BOND_SETTING_NAME,
+		              NULL);
+	}
+
+	/* We should be checking for SLAVE=yes as well, but NM used to not set that,
+	 * so for backward-compatibility, we don't check.
+	 */
+}
+
+static void
+check_if_team_slave (shvarFile *ifcfg,
+                     NMSettingConnection *s_con)
+{
+	gs_free char *value = NULL;
+	const char *v;
+	const char *master;
+
+	v = svGetValueStr (ifcfg, "TEAM_MASTER_UUID", &value);
+	if (!v)
+		v = svGetValueStr (ifcfg, "TEAM_MASTER", &value);
+	if (!v)
+		return;
+
+	master = nm_setting_connection_get_master (s_con);
+	if (master) {
+		PARSE_WARNING ("Already configured as slave of %s. Ignoring TEAM_MASTER{_UUID}=\"%s\"",
+		               master, v);
+		return;
+	}
+
+	g_object_set (s_con,
+	              NM_SETTING_CONNECTION_MASTER, v,
+	              NM_SETTING_CONNECTION_SLAVE_TYPE, NM_SETTING_TEAM_SETTING_NAME,
+	              NULL);
+}
+
 static char *
 make_connection_name (shvarFile *ifcfg,
                       const char *ifcfg_name,
@@ -128,8 +186,14 @@ make_connection_setting (const char *file,
 	NMSettingConnection *s_con;
 	NMSettingConnectionLldp lldp;
 	const char *ifcfg_name = NULL;
-	char *new_id, *uuid = NULL, *zone = NULL, *value;
+	char *new_id;
+	const char *uuid;
+	gs_free char *uuid_free = NULL;
+	gs_free char *value = NULL;
+	const char *v;
 	gs_free char *stable_id = NULL;
+	const char *const *iter;
+	int vint64;
 
 	ifcfg_name = utils_get_ifcfg_name (file, TRUE);
 	if (!ifcfg_name)
@@ -142,38 +206,38 @@ make_connection_setting (const char *file,
 	g_free (new_id);
 
 	/* Try for a UUID key before falling back to hashing the file name */
-	uuid = svGetValueStr_cp (ifcfg, "UUID");
-	if (!uuid)
-		uuid = nm_utils_uuid_generate_from_string (svFileGetName (ifcfg), -1, NM_UTILS_UUID_TYPE_LEGACY, NULL);
+	uuid = svGetValueStr (ifcfg, "UUID", &uuid_free);
+	if (!uuid) {
+		uuid_free = nm_utils_uuid_generate_from_string (svFileGetName (ifcfg), -1, NM_UTILS_UUID_TYPE_LEGACY, NULL);
+		uuid = uuid_free;
+	}
 
 	g_object_set (s_con,
 	              NM_SETTING_CONNECTION_TYPE, type,
 	              NM_SETTING_CONNECTION_UUID, uuid,
 	              NM_SETTING_CONNECTION_STABLE_ID, svGetValue (ifcfg, "STABLE_ID", &stable_id),
 	              NULL);
-	g_free (uuid);
 
-	value = svGetValueStr_cp (ifcfg, "DEVICE");
-	if (value) {
+	v = svGetValueStr (ifcfg, "DEVICE", &value);
+	if (v) {
 		GError *error = NULL;
 
-		if (nm_utils_is_valid_iface_name (value, &error)) {
+		if (nm_utils_is_valid_iface_name (v, &error)) {
 			g_object_set (s_con,
-			              NM_SETTING_CONNECTION_INTERFACE_NAME, value,
+			              NM_SETTING_CONNECTION_INTERFACE_NAME, v,
 			              NULL);
 		} else {
-			PARSE_WARNING ("invalid DEVICE name '%s': %s", value, error->message);
+			PARSE_WARNING ("invalid DEVICE name '%s': %s", v, error->message);
 			g_error_free (error);
 		}
-		g_free (value);
 	}
 
-	value = svGetValueStr_cp (ifcfg, "LLDP");
-	if (!g_strcmp0 (value, "rx"))
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "LLDP", &value);
+	if (nm_streq0 (v, "rx"))
 		lldp = NM_SETTING_CONNECTION_LLDP_ENABLE_RX;
 	else
-		lldp = svParseBoolean (value, NM_SETTING_CONNECTION_LLDP_DEFAULT);
-	g_free (value);
+		lldp = svParseBoolean (v, NM_SETTING_CONNECTION_LLDP_DEFAULT);
 
 	/* Missing ONBOOT is treated as "ONBOOT=true" by the old network service */
 	g_object_set (s_con,
@@ -192,68 +256,69 @@ make_connection_setting (const char *file,
 	              NM_SETTING_CONNECTION_LLDP, lldp,
 	              NULL);
 
-	value = svGetValueStr_cp (ifcfg, "USERS");
-	if (value) {
-		char **items, **iter;
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "USERS", &value);
+	if (v) {
+		gs_free const char **items = NULL;
 
-		items = g_strsplit_set (value, " ", -1);
+		items = nm_utils_strsplit_set (v, " ");
 		for (iter = items; iter && *iter; iter++) {
-			if (strlen (*iter)) {
-				if (!nm_setting_connection_add_permission (s_con, "user", *iter, NULL))
-					PARSE_WARNING ("invalid USERS item '%s'", *iter);
-			}
+			if (!nm_setting_connection_add_permission (s_con, "user", *iter, NULL))
+				PARSE_WARNING ("invalid USERS item '%s'", *iter);
 		}
-		g_free (value);
-		g_strfreev (items);
 	}
 
 
-	zone = svGetValueStr_cp (ifcfg, "ZONE");
-	g_object_set (s_con, NM_SETTING_CONNECTION_ZONE, zone, NULL);
-	g_free (zone);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "ZONE", &value);
+	g_object_set (s_con, NM_SETTING_CONNECTION_ZONE, v, NULL);
 
-	value = svGetValueStr_cp (ifcfg, "SECONDARY_UUIDS");
-	if (value) {
-		char **items, **iter;
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "SECONDARY_UUIDS", &value);
+	if (v) {
+		gs_free const char **items = NULL;
 
-		items = g_strsplit_set (value, " \t", -1);
+		items = nm_utils_strsplit_set (v, " \t");
 		for (iter = items; iter && *iter; iter++) {
-			if (strlen (*iter)) {
-				if (!nm_setting_connection_add_secondary (s_con, *iter))
-					PARSE_WARNING ("secondary connection UUID '%s' already added", *iter);
-			}
+			if (!nm_setting_connection_add_secondary (s_con, *iter))
+				PARSE_WARNING ("secondary connection UUID '%s' already added", *iter);
 		}
-		g_free (value);
-		g_strfreev (items);
 	}
 
-	value = svGetValueStr_cp (ifcfg, "BRIDGE_UUID");
-	if (!value)
-		value = svGetValueStr_cp (ifcfg, "BRIDGE");
-	if (value) {
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "BRIDGE_UUID", &value);
+	if (!v)
+		v = svGetValueStr (ifcfg, "BRIDGE", &value);
+	if (v) {
 		const char *old_value;
 
 		if ((old_value = nm_setting_connection_get_master (s_con))) {
 			PARSE_WARNING ("Already configured as slave of %s. Ignoring BRIDGE=\"%s\"",
-			               old_value, value);
+			               old_value, v);
 		} else {
-			g_object_set (s_con, NM_SETTING_CONNECTION_MASTER, value, NULL);
+			g_object_set (s_con, NM_SETTING_CONNECTION_MASTER, v, NULL);
 			g_object_set (s_con, NM_SETTING_CONNECTION_SLAVE_TYPE,
 			              NM_SETTING_BRIDGE_SETTING_NAME, NULL);
 		}
-		g_free (value);
 	}
 
-	value = svGetValueStr_cp (ifcfg, "GATEWAY_PING_TIMEOUT");
-	if (value) {
+	check_if_bond_slave (ifcfg, s_con);
+	check_if_team_slave (ifcfg, s_con);
+
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "GATEWAY_PING_TIMEOUT", &value);
+	if (v) {
 		gint64 tmp;
 
-		tmp = _nm_utils_ascii_str_to_int64 (value, 10, 0, G_MAXINT32 - 1, -1);
-		if (tmp >= 0)
+		tmp = _nm_utils_ascii_str_to_int64 (v, 10, 0, G_MAXINT32 - 1, -1);
+		if (tmp >= 0) {
+			if (tmp > 600) {
+				tmp = 600;
+				PARSE_WARNING ("invalid GATEWAY_PING_TIMEOUT time");
+			}
 			g_object_set (s_con, NM_SETTING_CONNECTION_GATEWAY_PING_TIMEOUT, (guint) tmp, NULL);
-		else
+		} else
 			PARSE_WARNING ("invalid GATEWAY_PING_TIMEOUT time");
-		g_free (value);
 	}
 
 	switch (svGetValueBoolean (ifcfg, "CONNECTION_METERED", -1)) {
@@ -265,6 +330,9 @@ make_connection_setting (const char *file,
 		break;
 	}
 
+	vint64 = svGetValueInt64 (ifcfg, "AUTH_RETRIES", 10, -1, G_MAXINT32, -1);
+	g_object_set (s_con, NM_SETTING_CONNECTION_AUTH_RETRIES, (gint) vint64, NULL);
+
 	return NM_SETTING (s_con);
 }
 
@@ -302,30 +370,6 @@ read_ip4_address (shvarFile *ifcfg,
 	return TRUE;
 }
 
-static void
-_numbered_tag (char *buf, gsize buf_len, const char *tag_name, int which)
-{
-	gsize l;
-
-	l = g_strlcpy (buf, tag_name, buf_len);
-	nm_assert (l < buf_len);
-	if (which != -1) {
-		buf_len -= l;
-		l = g_snprintf (&buf[l], buf_len, "%d", which);
-		nm_assert (l < buf_len);
-	}
-}
-#define numbered_tag(buf, tag_name, which) \
-	({ \
-		_nm_unused char *const _buf = (buf); \
-		\
-		/* some static assert trying to ensure that the buffer is statically allocated.
-		 * It disallows a buffer size of sizeof(gpointer) to catch that. */ \
-		G_STATIC_ASSERT (G_N_ELEMENTS (buf) == sizeof (buf) && sizeof (buf) != sizeof (char *) && sizeof (buf) < G_MAXINT); \
-		_numbered_tag (buf, sizeof (buf), ""tag_name"", (which)); \
-		buf; \
-	})
-
 static gboolean
 is_any_ip4_address_defined (shvarFile *ifcfg, int *idx)
 {
@@ -368,6 +412,7 @@ read_full_ip4_address (shvarFile *ifcfg,
 	char prefix_tag[256];
 	guint32 ipaddr;
 	gs_free char *value = NULL;
+	const char *v;
 	int prefix = 0;
 	gboolean has_key;
 	guint32 a;
@@ -402,12 +447,12 @@ read_full_ip4_address (shvarFile *ifcfg,
 
 	/* Prefix */
 	numbered_tag (prefix_tag, "PREFIX", which);
-	value = svGetValueStr_cp (ifcfg, prefix_tag);
-	if (value) {
-		prefix = _nm_utils_ascii_str_to_int64 (value, 10, 0, 32, -1);
+	v = svGetValueStr (ifcfg, prefix_tag, &value);
+	if (v) {
+		prefix = _nm_utils_ascii_str_to_int64 (v, 10, 0, 32, -1);
 		if (prefix < 0) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Invalid IP4 prefix '%s'", value);
+			             "Invalid IP4 prefix '%s'", v);
 			return FALSE;
 		}
 	} else {
@@ -423,7 +468,7 @@ read_full_ip4_address (shvarFile *ifcfg,
 				prefix = nm_ip_address_get_prefix (base_addr);
 			else {
 				/* Try to autodetermine the prefix for the address' class */
-				prefix = nm_utils_ip4_get_default_prefix (ipaddr);
+				prefix = _nm_utils_ip4_get_default_prefix (ipaddr);
 				PARSE_WARNING ("missing %s, assuming %s/%d", prefix_tag, nm_utils_inet4_ntop (ipaddr, inet_buf), prefix);
 			}
 		}
@@ -436,131 +481,448 @@ read_full_ip4_address (shvarFile *ifcfg,
 	return FALSE;
 }
 
-/*
- * Use looser syntax to comprise all the possibilities.
- * The validity must be checked after the match.
- */
-#define IPV4_ADDR_REGEX "(?:[0-9]{1,3}\\.){3}[0-9]{1,3}"
-#define IPV6_ADDR_REGEX "[0-9A-Fa-f:.]+"
-
-/*
- * NOTE: The regexes below don't describe all variants allowed by 'ip route add',
- * namely destination IP without 'to' keyword is recognized just at line start.
- */
+/*****************************************************************************/
 
 static gboolean
-parse_route_options (NMIPRoute *route, int family, const char *line, GError **error)
+parse_route_line_is_comment (const char *line)
 {
-	GRegex *regex = NULL;
-	GMatchInfo *match_info = NULL;
-	gboolean success = FALSE;
-	static const char *metrics[] = { NM_IP_ROUTE_ATTRIBUTE_WINDOW, NM_IP_ROUTE_ATTRIBUTE_CWND,
-	                                 NM_IP_ROUTE_ATTRIBUTE_INITCWND, NM_IP_ROUTE_ATTRIBUTE_INITRWND,
-	                                 NM_IP_ROUTE_ATTRIBUTE_MTU, NULL };
-	char buffer[1024];
-	int i;
+	/* we obtained the line from a legacy route file. Here we skip
+	 * empty lines and comments.
+	 *
+	 * initscripts compares: "$line" =~ '^[[:space:]]*(\#.*)?$'
+	 */
+	while (NM_IN_SET (line[0], ' ', '\t'))
+		line++;
+	if (NM_IN_SET (line[0], '\0', '#'))
+		return TRUE;
+	return FALSE;
+}
+
+/*****************************************************************************/
+
+typedef struct {
+	const char *key;
+
+	/* the element is not available in this case. */
+	bool disabled:1;
+
+	/* whether the element is to be ignored. Ignord is different from
+	 * "disabled", because we still parse the option, but don't use it. */
+	bool ignore:1;
+
+	bool int_base_16:1;
+
+	/* the type, one of PARSE_LINE_TYPE_* */
+	char type;
 
-	g_return_val_if_fail (family == AF_INET || family == AF_INET6, FALSE);
+	/* whether the command line option was found, and @v is
+	 * initialized. */
+	bool has:1;
 
-	for (i = 0; metrics[i]; i++) {
-		nm_sprintf_buf (buffer, "(?:\\s|^)%s\\s+(lock\\s+)?(\\d+)(?:$|\\s)", metrics[i]);
-		regex = g_regex_new (buffer, 0, 0, NULL);
-		g_regex_match (regex, line, 0, &match_info);
-		if (g_match_info_matches (match_info)) {
-			gs_free char *lock = g_match_info_fetch (match_info, 1);
-			gs_free char *str = g_match_info_fetch (match_info, 2);
-			gint64 num = _nm_utils_ascii_str_to_int64 (str, 10, 0, G_MAXUINT32, -1);
+	union {
+		guint8 uint8;
+		guint32 uint32;
+		struct {
+			guint32 uint32;
+			bool lock:1;
+		} uint32_with_lock;
+		struct {
+			NMIPAddr addr;
+			guint8 plen;
+			bool has_plen:1;
+		} addr;
+	} v;
 
-			if (num == -1) {
-				g_match_info_free (match_info);
+} ParseLineInfo;
+
+enum {
+	/* route attributes */
+	PARSE_LINE_ATTR_ROUTE_TABLE,
+	PARSE_LINE_ATTR_ROUTE_SRC,
+	PARSE_LINE_ATTR_ROUTE_FROM,
+	PARSE_LINE_ATTR_ROUTE_TOS,
+	PARSE_LINE_ATTR_ROUTE_WINDOW,
+	PARSE_LINE_ATTR_ROUTE_CWND,
+	PARSE_LINE_ATTR_ROUTE_INITCWND,
+	PARSE_LINE_ATTR_ROUTE_INITRWND,
+	PARSE_LINE_ATTR_ROUTE_MTU,
+
+	/* iproute2 arguments that only matter when parsing the file. */
+	PARSE_LINE_ATTR_ROUTE_TO,
+	PARSE_LINE_ATTR_ROUTE_VIA,
+	PARSE_LINE_ATTR_ROUTE_METRIC,
+
+	/* iproute2 paramters that are well known and that we silently ignore. */
+	PARSE_LINE_ATTR_ROUTE_DEV,
+};
+
+#define PARSE_LINE_TYPE_UINT8             '8'
+#define PARSE_LINE_TYPE_UINT32            'u'
+#define PARSE_LINE_TYPE_UINT32_WITH_LOCK  'l'
+#define PARSE_LINE_TYPE_ADDR              'a'
+#define PARSE_LINE_TYPE_ADDR_WITH_PREFIX  'p'
+#define PARSE_LINE_TYPE_IFNAME            'i'
+
+/**
+ * parse_route_line:
+ * @line: the line to parse. This is either a line from the route-* or route6-* file,
+ *   or the numbered OPTIONS setting.
+ * @addr_family: the address family.
+ * @options_route: (in-out): when line is from the OPTIONS setting, this is a pre-created
+ *   route object that is completed with the settings from options. Otherwise,
+ *   it shall point to %NULL and a new route is created and returned.
+ * @out_route: (out): (transfer-full): (allow-none): the parsed %NMIPRoute instance.
+ *   In case a @options_route is passed in, it returns the input route that was modified
+ *   in-place. But the caller must unref the returned route in either case.
+ * @error: the failure description.
+ *
+ * Parsing the route options line has two modes: one for the numbered OPTIONS
+ * setting, and one for initscript's handle_ip_file(), which takes the lines
+ * and passes them to `ip route add`. The modes are similar, but certain properties
+ * are not allowed for OPTIONS.
+ * The mode is differenciated by having an @options_route argument.
+ *
+ * Returns: returns a negative errno on failure. On success, it returns 0
+ *   and @out_route.
+ */
+static int
+parse_route_line (const char *line,
+                  int addr_family,
+                  NMIPRoute *options_route,
+                  NMIPRoute **out_route,
+                  GError **error)
+{
+	nm_auto_ip_route_unref NMIPRoute *route = NULL;
+	gs_free const char **words_free = NULL;
+	const char *const*words;
+	const char *s;
+	gsize i_words;
+	guint i;
+	char buf1[256];
+	char buf2[256];
+	ParseLineInfo infos[] = {
+		[PARSE_LINE_ATTR_ROUTE_TABLE]    = { .key = NM_IP_ROUTE_ATTRIBUTE_TABLE,
+		                                     .type = PARSE_LINE_TYPE_UINT32, },
+		[PARSE_LINE_ATTR_ROUTE_SRC]      = { .key = NM_IP_ROUTE_ATTRIBUTE_SRC,
+		                                     .type = PARSE_LINE_TYPE_ADDR, },
+		[PARSE_LINE_ATTR_ROUTE_FROM]     = { .key = NM_IP_ROUTE_ATTRIBUTE_FROM,
+		                                     .type = PARSE_LINE_TYPE_ADDR_WITH_PREFIX,
+		                                     .disabled = (addr_family != AF_INET6), },
+		[PARSE_LINE_ATTR_ROUTE_TOS]      = { .key = NM_IP_ROUTE_ATTRIBUTE_TOS,
+		                                     .type = PARSE_LINE_TYPE_UINT8,
+		                                     .int_base_16 = TRUE,
+		                                     .ignore = (addr_family != AF_INET), },
+		[PARSE_LINE_ATTR_ROUTE_WINDOW]   = { .key = NM_IP_ROUTE_ATTRIBUTE_WINDOW,
+		                                     .type = PARSE_LINE_TYPE_UINT32_WITH_LOCK, },
+		[PARSE_LINE_ATTR_ROUTE_CWND]     = { .key = NM_IP_ROUTE_ATTRIBUTE_CWND,
+		                                     .type = PARSE_LINE_TYPE_UINT32_WITH_LOCK, },
+		[PARSE_LINE_ATTR_ROUTE_INITCWND] = { .key = NM_IP_ROUTE_ATTRIBUTE_INITCWND,
+		                                     .type = PARSE_LINE_TYPE_UINT32_WITH_LOCK, },
+		[PARSE_LINE_ATTR_ROUTE_INITRWND] = { .key = NM_IP_ROUTE_ATTRIBUTE_INITRWND,
+		                                     .type = PARSE_LINE_TYPE_UINT32_WITH_LOCK, },
+		[PARSE_LINE_ATTR_ROUTE_MTU]      = { .key = NM_IP_ROUTE_ATTRIBUTE_MTU,
+		                                     .type = PARSE_LINE_TYPE_UINT32_WITH_LOCK, },
+
+		[PARSE_LINE_ATTR_ROUTE_TO]       = { .key = "to",
+		                                     .type = PARSE_LINE_TYPE_ADDR_WITH_PREFIX,
+		                                     .disabled = (options_route != NULL), },
+		[PARSE_LINE_ATTR_ROUTE_VIA]      = { .key = "via",
+		                                     .type = PARSE_LINE_TYPE_ADDR,
+		                                     .disabled = (options_route != NULL), },
+		[PARSE_LINE_ATTR_ROUTE_METRIC]   = { .key = "metric",
+		                                     .type = PARSE_LINE_TYPE_UINT32,
+		                                     .disabled = (options_route != NULL), },
+
+		[PARSE_LINE_ATTR_ROUTE_DEV]      = { .key = "dev",
+		                                     .type = PARSE_LINE_TYPE_IFNAME,
+		                                     .ignore = TRUE,
+		                                     .disabled = (options_route != NULL), },
+	};
+
+	nm_assert (line);
+	nm_assert (NM_IN_SET (addr_family, AF_INET, AF_INET6));
+	nm_assert (!options_route || nm_ip_route_get_family (options_route) == addr_family);
+
+	/* initscripts read the legacy route file line-by-line and
+	 * use it as `ip route add $line`, thus doing split+glob.
+	 * Splitting on IFS (which we consider '<space><tab><newline>')
+	 * and globbing (which we obviously don't do).
+	 *
+	 * I think it's a mess, because it doesn't support escaping or
+	 * quoting. In fact, it can only encode benign values.
+	 *
+	 * We also use the same form for the numbered OPTIONS
+	 * variable. I think it's bad not to support any form of
+	 * escaping. But do that for now.
+	 *
+	 * Maybe later we want to support some form of quotation here.
+	 * Which of course, would be incompatible with initscripts.
+	 */
+	words_free = nm_utils_strsplit_set (line, " \t\n");
+
+	words = words_free ?: NM_PTRARRAY_EMPTY (const char *);
+
+	for (i_words = 0; words[i_words]; ) {
+		const gsize i_words0 = i_words;
+		const char *const w = words[i_words0];
+		ParseLineInfo *info;
+		gboolean unqualified_addr = FALSE;
+
+		for (i = 0; i < G_N_ELEMENTS (infos); i++) {
+			info = &infos[i];
+
+			if (info->disabled)
+				continue;
+
+			if (!nm_streq (w, info->key))
+				continue;
+
+			if (info->has) {
+				/* iproute2 for most arguments allows specifying them multiple times.
+				 * Let's not do that. */
 				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Invalid route %s '%s'", metrics[i], str);
-				goto out;
+				             "Duplicate option \"%s\"", w);
+				return -EINVAL;
 			}
 
-			nm_ip_route_set_attribute (route, metrics[i],
-			                           g_variant_new_uint32 (num));
-			if (lock && lock[0]) {
-				nm_sprintf_buf (buffer, "lock-%s", metrics[i]);
-				nm_ip_route_set_attribute (route, buffer,
-				                           g_variant_new_boolean (TRUE));
+			info->has = TRUE;
+			switch (info->type) {
+			case PARSE_LINE_TYPE_UINT8:
+				i_words++;
+				goto parse_line_type_uint8;
+			case PARSE_LINE_TYPE_UINT32:
+				i_words++;
+				goto parse_line_type_uint32;
+			case PARSE_LINE_TYPE_UINT32_WITH_LOCK:
+				i_words++;
+				goto parse_line_type_uint32_with_lock;
+			case PARSE_LINE_TYPE_ADDR:
+				i_words++;
+				goto parse_line_type_addr;
+			case PARSE_LINE_TYPE_ADDR_WITH_PREFIX:
+				i_words++;
+				goto parse_line_type_addr_with_prefix;
+			case PARSE_LINE_TYPE_IFNAME:
+				i_words++;
+				goto parse_line_type_ifname;
+			default:
+				nm_assert_not_reached ();
 			}
 		}
-		g_clear_pointer (&regex, g_regex_unref);
-		g_clear_pointer (&match_info, g_match_info_free);
-	}
 
-	/* tos */
-	regex = g_regex_new ("(?:\\s|^)tos\\s+(\\S+)(?:$|\\s)", 0, 0, NULL);
-	g_regex_match (regex, line, 0, &match_info);
-	if (g_match_info_matches (match_info)) {
-		gs_free char *str = g_match_info_fetch (match_info, 1);
-		gint64 num = _nm_utils_ascii_str_to_int64 (str, 0, 0, G_MAXUINT8, -1);
+		/* "to" is also accepted unqualified... (once) */
+		info = &infos[PARSE_LINE_ATTR_ROUTE_TO];
+		if (!info->has && !info->disabled) {
+			unqualified_addr = TRUE;
+			info->has = TRUE;
+			goto parse_line_type_addr;
+		}
 
-		if (num == -1) {
-			g_match_info_free (match_info);
+		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+		             "Unrecognized argument (\"to\" is duplicate or \"%s\" is garbage)", w);
+		return -EINVAL;
+
+parse_line_type_uint8:
+		s = words[i_words];
+		if (!s)
+			goto err_word_missing_argument;
+		info->v.uint8 = _nm_utils_ascii_str_to_int64 (s,
+		                                              info->int_base_16 ? 16 : 10,
+		                                              0,
+		                                              G_MAXUINT8,
+		                                              0);;
+		if (errno) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Invalid route %s '%s'", "tos", str);
-			goto out;
+			             "Argument for \"%s\" is not a valid number", w);
+			return -EINVAL;
 		}
-		nm_ip_route_set_attribute (route, NM_IP_ROUTE_ATTRIBUTE_TOS,
-		                           g_variant_new_byte ((guchar) num));
-	}
-	g_clear_pointer (&regex, g_regex_unref);
-	g_clear_pointer (&match_info, g_match_info_free);
-
-	/* from */
-	if (family == AF_INET6) {
-		regex = g_regex_new ("(?:\\s|^)from\\s+(" IPV6_ADDR_REGEX "(?:/\\d{1,3})?)(?:$|\\s)", 0, 0, NULL);
-		g_regex_match (regex, line, 0, &match_info);
-		if (g_match_info_matches (match_info)) {
-			gs_free char *str = g_match_info_fetch (match_info, 1);
-			gs_free_error GError *local_error = NULL;
-			GVariant *variant = g_variant_new_string (str);
-
-			if (!nm_ip_route_attribute_validate (NM_IP_ROUTE_ATTRIBUTE_FROM, variant, family, NULL, &local_error)) {
-				g_match_info_free (match_info);
-				g_variant_unref (variant);
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Invalid route from '%s': %s", str, local_error->message);
-				goto out;
+		i_words++;
+		goto next;
+
+parse_line_type_uint32:
+parse_line_type_uint32_with_lock:
+		s = words[i_words];
+		if (!s)
+			goto err_word_missing_argument;
+		if (info->type == PARSE_LINE_TYPE_UINT32_WITH_LOCK) {
+			if (nm_streq (s, "lock")) {
+				s = words[++i_words];
+				if (!s)
+					goto err_word_missing_argument;
+				info->v.uint32_with_lock.lock = TRUE;
+			} else
+				info->v.uint32_with_lock.lock = FALSE;
+			info->v.uint32_with_lock.uint32 = _nm_utils_ascii_str_to_int64 (s, 10, 0, G_MAXUINT32, 0);;
+		} else {
+			info->v.uint32 = _nm_utils_ascii_str_to_int64 (s, 10, 0, G_MAXUINT32, 0);
+		}
+		if (errno) {
+			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+			             "Argument for \"%s\" is not a valid number", w);
+			return -EINVAL;
+		}
+		i_words++;
+		goto next;
+
+parse_line_type_ifname:
+		s = words[i_words];
+		if (!s)
+			goto err_word_missing_argument;
+		i_words++;
+		goto next;
+
+parse_line_type_addr:
+parse_line_type_addr_with_prefix:
+		s = words[i_words];
+		if (!s)
+			goto err_word_missing_argument;
+		{
+			int prefix = -1;
+
+			if (info->type == PARSE_LINE_TYPE_ADDR) {
+				if (!nm_utils_parse_inaddr_bin (addr_family,
+				                                s,
+				                                &info->v.addr.addr)) {
+					if (   info == &infos[PARSE_LINE_ATTR_ROUTE_VIA]
+					    && nm_streq (s, "(null)")) {
+						/* Due to a bug, would older versions of NM write "via (null)"
+						 * (rh#1452648). Workaround that, and accept it.*/
+						memset (&info->v.addr.addr, 0, sizeof (info->v.addr.addr));
+					} else {
+						if (unqualified_addr) {
+							g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+							             "Unrecognized argument (inet prefix is expected rather then \"%s\")", w);
+							return -EINVAL;
+						} else {
+							g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+							             "Argument for \"%s\" is not a valid IPv%c address", w,
+							             addr_family == AF_INET ? '4' : '6');
+						}
+						return -EINVAL;
+					}
+				}
+			} else {
+				nm_assert (info->type == PARSE_LINE_TYPE_ADDR_WITH_PREFIX);
+				if (   info == &infos[PARSE_LINE_ATTR_ROUTE_TO]
+				    && nm_streq (s, "default")) {
+					memset (&info->v.addr.addr, 0, sizeof (info->v.addr.addr));
+					prefix = 0;
+				} else if (!nm_utils_parse_inaddr_prefix_bin (addr_family,
+				                                              s,
+				                                              &info->v.addr.addr,
+				                                              &prefix)) {
+					g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+					             "Argument for \"%s\" is not ADDR/PREFIX format", w);
+					return -EINVAL;
+				}
+			}
+			if (prefix == -1)
+				info->v.addr.has_plen = FALSE;
+			else {
+				info->v.addr.has_plen = TRUE;
+				info->v.addr.plen = prefix;
 			}
-			nm_ip_route_set_attribute (route, NM_IP_ROUTE_ATTRIBUTE_FROM, variant);
 		}
-		g_clear_pointer (&regex, g_regex_unref);
-		g_clear_pointer (&match_info, g_match_info_free);
+		i_words++;
+		goto next;
+
+err_word_missing_argument:
+		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+		             "Missing argument for \"%s\"", w);
+		return -EINVAL;
+next:
+		;
 	}
 
-	if (family == AF_INET)
-		regex = g_regex_new ("(?:\\s|^)src\\s+(" IPV4_ADDR_REGEX ")(?:$|\\s)", 0, 0, NULL);
-	else
-		regex = g_regex_new ("(?:\\s|^)src\\s+(" IPV6_ADDR_REGEX ")(?:$|\\s)", 0, 0, NULL);
-	g_regex_match (regex, line, 0, &match_info);
-	if (g_match_info_matches (match_info)) {
-		gs_free char *str = g_match_info_fetch (match_info, 1);
-		gs_free_error GError *local_error = NULL;
-		GVariant *variant = g_variant_new_string (str);
-
-		if (!nm_ip_route_attribute_validate (NM_IP_ROUTE_ATTRIBUTE_SRC, variant, family,
-		                                     NULL, &local_error)) {
-			g_match_info_free (match_info);
-			g_variant_unref (variant);
+	if (options_route) {
+		route = options_route;
+		nm_ip_route_ref (route);
+	} else {
+		ParseLineInfo *info_to = &infos[PARSE_LINE_ATTR_ROUTE_TO];
+		ParseLineInfo *info_via = &infos[PARSE_LINE_ATTR_ROUTE_VIA];
+		ParseLineInfo *info_metric = &infos[PARSE_LINE_ATTR_ROUTE_METRIC];
+		guint prefix;
+
+		if (!info_to->has) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Invalid route src '%s': %s", str, local_error->message);
-			goto out;
+			             "Missing destination prefix");
+			return -EINVAL;
 		}
 
-		nm_ip_route_set_attribute (route, NM_IP_ROUTE_ATTRIBUTE_SRC, variant);
+		prefix =   info_to->v.addr.has_plen
+		         ? info_to->v.addr.plen
+		         : (addr_family == AF_INET ? 32 : 128);
+
+		if (   (   (addr_family == AF_INET  && !info_to->v.addr.addr.addr4)
+		        || (addr_family == AF_INET6 && IN6_IS_ADDR_UNSPECIFIED (&info_to->v.addr.addr.addr6)))
+		    && prefix == 0) {
+			/* we ignore default routes by returning -ERANGE. */
+			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+			             "Ignore manual default route");
+			return -ERANGE;
+		}
+
+		route = nm_ip_route_new_binary (addr_family,
+		                                &info_to->v.addr.addr,
+		                                prefix,
+		                                info_via->has ? &info_via->v.addr.addr : NULL,
+		                                info_metric->has ? (gint64) info_metric->v.uint32 : (gint64) -1,
+		                                error);
+		info_to->has = FALSE;
+		info_via->has = FALSE;
+		info_metric->has = FALSE;
+		if (!route)
+			return -EINVAL;
 	}
-	success = TRUE;
 
-out:
-	if (regex)
-		g_regex_unref (regex);
-	if (match_info)
-		g_match_info_free (match_info);
+	for (i = 0; i < G_N_ELEMENTS (infos); i++) {
+		ParseLineInfo *info = &infos[i];
 
-	return success;
+		if (!info->has)
+			continue;
+		if (info->ignore || info->disabled)
+			continue;
+		switch (info->type) {
+		case PARSE_LINE_TYPE_UINT8:
+			nm_ip_route_set_attribute (route,
+			                           info->key,
+			                           g_variant_new_byte (info->v.uint8));
+			break;
+		case PARSE_LINE_TYPE_UINT32:
+			nm_ip_route_set_attribute (route,
+			                           info->key,
+			                           g_variant_new_uint32 (info->v.uint32));
+			break;
+		case PARSE_LINE_TYPE_UINT32_WITH_LOCK:
+			if (info->v.uint32_with_lock.lock) {
+				nm_ip_route_set_attribute (route,
+				                           nm_sprintf_buf (buf1, "lock-%s", info->key),
+				                           g_variant_new_boolean (TRUE));
+			}
+			nm_ip_route_set_attribute (route,
+			                           info->key,
+			                           g_variant_new_uint32 (info->v.uint32_with_lock.uint32));
+			break;
+		case PARSE_LINE_TYPE_ADDR:
+		case PARSE_LINE_TYPE_ADDR_WITH_PREFIX:
+			nm_ip_route_set_attribute (route,
+			                           info->key,
+			                           g_variant_new_printf ("%s%s",
+			                                                 inet_ntop (addr_family, &info->v.addr.addr, buf1, sizeof (buf1)),
+			                                                 info->v.addr.has_plen
+			                                                    ? nm_sprintf_buf (buf2, "/%u", (unsigned) info->v.addr.plen)
+			                                                    : ""));
+			break;
+		default:
+			nm_assert_not_reached ();
+			break;
+		}
+	}
+
+	nm_assert (_nm_ip_route_attribute_validate_all (route));
+
+	NM_SET_OUT (out_route, g_steal_pointer (&route));
+	return 0;
 }
 
 /* Returns TRUE on missing route or valid route */
@@ -576,13 +938,13 @@ read_one_ip4_route (shvarFile *ifcfg,
 	guint32 next_hop;
 	guint32 netmask;
 	gboolean has_key;
+	const char *v;
 	gs_free char *value = NULL;
 	gint64 prefix, metric;
 	char inet_buf[NM_UTILS_INET_ADDRSTRLEN];
 
 	g_return_val_if_fail (ifcfg != NULL, FALSE);
-	g_return_val_if_fail (out_route != NULL, FALSE);
-	g_return_val_if_fail (*out_route == NULL, FALSE);
+	g_return_val_if_fail (out_route && !*out_route, FALSE);
 	g_return_val_if_fail (!error || !*error, FALSE);
 
 	/* Destination */
@@ -610,7 +972,7 @@ read_one_ip4_route (shvarFile *ifcfg,
 		return FALSE;
 	if (has_key) {
 		prefix = nm_utils_ip4_netmask_to_prefix (netmask);
-		if (prefix == 0 || netmask != nm_utils_ip4_prefix_to_netmask (prefix)) {
+		if (prefix == 0 || netmask != _nm_utils_ip4_prefix_to_netmask (prefix)) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			             "Invalid IP4 netmask '%s' \"%s\"", netmask_tag, nm_utils_inet4_ntop (netmask, inet_buf));
 			return FALSE;
@@ -623,12 +985,12 @@ read_one_ip4_route (shvarFile *ifcfg,
 
 	/* Metric */
 	nm_clear_g_free (&value);
-	value = svGetValueStr_cp (ifcfg, numbered_tag (tag, "METRIC", which));
-	if (value) {
-		metric = _nm_utils_ascii_str_to_int64 (value, 10, 0, G_MAXUINT32, -1);
+	v = svGetValueStr (ifcfg, numbered_tag (tag, "METRIC", which), &value);
+	if (v) {
+		metric = _nm_utils_ascii_str_to_int64 (v, 10, 0, G_MAXUINT32, -1);
 		if (metric < 0) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Invalid IP4 route metric '%s'", value);
+			             "Invalid IP4 route metric '%s'", v);
 			return FALSE;
 		}
 	} else
@@ -640,9 +1002,9 @@ read_one_ip4_route (shvarFile *ifcfg,
 
 	/* Options */
 	nm_clear_g_free (&value);
-	value = svGetValueStr_cp (ifcfg, numbered_tag (tag, "OPTIONS", which));
-	if (value) {
-		if (!parse_route_options (*out_route, AF_INET, value, error)) {
+	v = svGetValueStr (ifcfg, numbered_tag (tag, "OPTIONS", which), &value);
+	if (v) {
+		if (parse_route_line (v, AF_INET, *out_route, NULL, error) < 0) {
 			g_clear_pointer (out_route, nm_ip_route_unref);
 			return FALSE;
 		}
@@ -652,156 +1014,65 @@ read_one_ip4_route (shvarFile *ifcfg,
 }
 
 static gboolean
-read_route_file_legacy (const char *filename, NMSettingIPConfig *s_ip4, GError **error)
+read_route_file (int addr_family,
+                 const char *filename,
+                 NMSettingIPConfig *s_ip,
+                 GError **error)
 {
-	char *contents = NULL;
+	gs_free char *contents = NULL;
+	char *contents_rest = NULL;
+	const char *line;
 	gsize len = 0;
-	char **lines = NULL, **iter;
-	GRegex *regex_to1, *regex_to2, *regex_via, *regex_metric;
-	GMatchInfo *match_info;
-	int prefix_int;
-	gint64 metric_int;
-	gboolean success = FALSE;
-
-	const char *pattern_empty = "^\\s*(\\#.*)?$";
-	const char *pattern_to1 = "^\\s*(\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}|default)"  /* IP or 'default' keyword */
-	                          "(?:/(\\d{1,2}))?";                                         /* optional prefix */
-	const char *pattern_to2 = "to\\s+(\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}|default)" /* IP or 'default' keyword */
-	                          "(?:/(\\d{1,2}))?";                                         /* optional prefix */
-	const char *pattern_via = "via\\s+(\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3})";       /* IP of gateway */
-	const char *pattern_metric = "metric\\s+(\\d+)";                                      /* metric */
+	gsize line_num;
 
-	g_return_val_if_fail (filename != NULL, FALSE);
-	g_return_val_if_fail (s_ip4 != NULL, FALSE);
+	g_return_val_if_fail (filename, FALSE);
+	g_return_val_if_fail (   (addr_family == AF_INET  && NM_IS_SETTING_IP4_CONFIG (s_ip))
+	                      || (addr_family == AF_INET6 && NM_IS_SETTING_IP6_CONFIG (s_ip)), FALSE);
 	g_return_val_if_fail (!error || !*error, FALSE);
 
-	/* Read the route file */
-	if (!g_file_get_contents (filename, &contents, &len, NULL) || !len) {
-		g_free (contents);
+	if (   !g_file_get_contents (filename, &contents, &len, NULL)
+	    || !len) {
 		return TRUE;  /* missing/empty = success */
 	}
 
-	/* Create regexes for pieces to be matched */
-	regex_to1 = g_regex_new (pattern_to1, 0, 0, NULL);
-	regex_to2 = g_regex_new (pattern_to2, 0, 0, NULL);
-	regex_via = g_regex_new (pattern_via, 0, 0, NULL);
-	regex_metric = g_regex_new (pattern_metric, 0, 0, NULL);
+	line_num = 0;
+	for (line = strtok_r (contents, "\n", &contents_rest);
+	     line;
+	     line = strtok_r (NULL, "\n", &contents_rest)) {
+		nm_auto_ip_route_unref NMIPRoute *route = NULL;
+		gs_free_error GError *local = NULL;
+		int e;
 
-	/* Iterate through file lines */
-	lines = g_strsplit_set (contents, "\n\r", -1);
-	for (iter = lines; iter && *iter; iter++) {
-		gs_free char *next_hop = NULL, *dest = NULL;
-		char *prefix, *metric;
-		NMIPRoute *route;
+		line_num++;
 
-		/* Skip empty lines */
-		if (g_regex_match_simple (pattern_empty, *iter, 0, 0))
+		if (parse_route_line_is_comment (line))
 			continue;
 
-		/* Destination */
-		g_regex_match (regex_to1, *iter, 0, &match_info);
-		if (!g_match_info_matches (match_info)) {
-			g_match_info_free (match_info);
-			g_regex_match (regex_to2, *iter, 0, &match_info);
-			if (!g_match_info_matches (match_info)) {
-				g_match_info_free (match_info);
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Missing IP4 route destination address in record: '%s'", *iter);
-				goto error;
-			}
-		}
-		dest = g_match_info_fetch (match_info, 1);
-		if (!strcmp (dest, "default")) {
-			g_match_info_free (match_info);
-			PARSE_WARNING ("ignoring manual default route: '%s' (%s)", *iter, filename);
-			continue;
-		}
-		if (!nm_utils_ipaddr_valid (AF_INET, dest)) {
-			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Invalid IP4 route destination address '%s'", dest);
-			g_match_info_free (match_info);
-			goto error;
-		}
-
-		/* Prefix - is optional; 32 if missing */
-		prefix = g_match_info_fetch (match_info, 2);
-		g_match_info_free (match_info);
-		prefix_int = 32;
-		if (prefix) {
-			prefix_int = _nm_utils_ascii_str_to_int64 (prefix, 10, 1, 32, -1);
-			if (prefix_int == -1) {
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Invalid IP4 route destination prefix '%s'", prefix);
-				g_free (prefix);
-				goto error;
-			}
-		}
-		g_free (prefix);
+		e = parse_route_line (line, addr_family, NULL, &route, &local);
 
-		/* Next hop */
-		g_regex_match (regex_via, *iter, 0, &match_info);
-		if (g_match_info_matches (match_info)) {
-			next_hop = g_match_info_fetch (match_info, 1);
-			if (!nm_utils_ipaddr_valid (AF_INET, next_hop)) {
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Invalid IP4 route gateway address '%s'",
-				             next_hop);
-				g_match_info_free (match_info);
-				goto error;
-			}
-		} else {
-			/* we don't make distinction between missing GATEWAY IP and 0.0.0.0 */
-		}
-		g_match_info_free (match_info);
-
-		/* Metric */
-		g_regex_match (regex_metric, *iter, 0, &match_info);
-		metric_int = -1;
-		if (g_match_info_matches (match_info)) {
-			metric = g_match_info_fetch (match_info, 1);
-			metric_int = _nm_utils_ascii_str_to_int64 (metric, 10, 0, G_MAXUINT32, -1);
-			if (metric_int == -1) {
-				g_match_info_free (match_info);
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Invalid IP4 route metric '%s'", metric);
-				g_free (metric);
-				goto error;
+		if (e < 0) {
+			if (e == -ERANGE)
+				PARSE_WARNING ("ignoring manual default route: '%s' (%s)", line, filename);
+			else {
+				/* we accept all unrecognized lines, because otherwise we would reject the
+				 * entire connection. */
+				PARSE_WARNING ("ignoring invalid route at \"%s\" (%s:%lu): %s", line, filename, (long unsigned) line_num, local->message);
 			}
-			g_free (metric);
-		}
-		g_match_info_free (match_info);
-
-		route = nm_ip_route_new (AF_INET, dest, prefix_int, next_hop, metric_int, error);
-		if (!route)
-			goto error;
-
-		if (!parse_route_options (route, AF_INET, *iter, error)) {
-			nm_ip_route_unref (route);
-			goto error;
+			continue;
 		}
 
-		if (!nm_setting_ip_config_add_route (s_ip4, route))
-			PARSE_WARNING ("duplicate IP4 route");
-		nm_ip_route_unref (route);
+		if (!nm_setting_ip_config_add_route (s_ip, route))
+			PARSE_WARNING ("duplicate IPv%c route", addr_family == AF_INET ? '4' : '6');
 	}
 
-	success = TRUE;
-
-error:
-	g_free (contents);
-	g_strfreev (lines);
-	g_regex_unref (regex_to1);
-	g_regex_unref (regex_to2);
-	g_regex_unref (regex_via);
-	g_regex_unref (regex_metric);
-
-	return success;
+	return TRUE;
 }
 
 static void
 parse_dns_options (NMSettingIPConfig *ip_config, const char *value)
 {
-	char **options = NULL;
+	gs_free const char **options = NULL;
+	const char *const *item;
 
 	g_return_if_fail (ip_config);
 
@@ -811,16 +1082,12 @@ parse_dns_options (NMSettingIPConfig *ip_config, const char *value)
 	if (!nm_setting_ip_config_has_dns_options (ip_config))
 		nm_setting_ip_config_clear_dns_options (ip_config, TRUE);
 
-	options = g_strsplit (value, " ", 0);
+	options = nm_utils_strsplit_set (value, " ");
 	if (options) {
-		char **item;
 		for (item = options; *item; item++) {
-			if (strlen (*item)) {
-				if (!nm_setting_ip_config_add_dns_option (ip_config, *item))
-					PARSE_WARNING ("can't add DNS option '%s'", *item);
-			}
+			if (!nm_setting_ip_config_add_dns_option (ip_config, *item))
+				PARSE_WARNING ("can't add DNS option '%s'", *item);
 		}
-		g_strfreev (options);
 	}
 }
 
@@ -873,157 +1140,6 @@ error:
 	return success;
 }
 
-static gboolean
-read_route6_file (const char *filename, NMSettingIPConfig *s_ip6, GError **error)
-{
-	char *contents = NULL;
-	gsize len = 0;
-	char **lines = NULL, **iter;
-	GRegex *regex_to1, *regex_to2, *regex_via, *regex_metric;
-	GMatchInfo *match_info;
-	char *dest = NULL, *prefix = NULL, *next_hop = NULL, *metric = NULL;
-	int prefix_int;
-	gint64 metric_int;
-	gboolean success = FALSE;
-
-	const char *pattern_empty = "^\\s*(\\#.*)?$";
-	const char *pattern_to1 = "^\\s*(default|" IPV6_ADDR_REGEX ")"  /* IPv6 or 'default' keyword */
-	                          "(?:/(\\d{1,3}))?";                   /* optional prefix */
-	const char *pattern_to2 = "to\\s+(default|" IPV6_ADDR_REGEX ")" /* IPv6 or 'default' keyword */
-	                          "(?:/(\\d{1,3}))?";                   /* optional prefix */
-	const char *pattern_via = "via\\s+(" IPV6_ADDR_REGEX ")";       /* IPv6 of gateway */
-	const char *pattern_metric = "metric\\s+(\\d+)";                /* metric */
-
-
-	g_return_val_if_fail (filename != NULL, FALSE);
-	g_return_val_if_fail (s_ip6 != NULL, FALSE);
-	g_return_val_if_fail (!error || !*error, FALSE);
-
-	/* Read the route file */
-	if (!g_file_get_contents (filename, &contents, &len, NULL) || !len) {
-		g_free (contents);
-		return TRUE;  /* missing/empty = success */
-	}
-
-	/* Create regexes for pieces to be matched */
-	regex_to1 = g_regex_new (pattern_to1, 0, 0, NULL);
-	regex_to2 = g_regex_new (pattern_to2, 0, 0, NULL);
-	regex_via = g_regex_new (pattern_via, 0, 0, NULL);
-	regex_metric = g_regex_new (pattern_metric, 0, 0, NULL);
-
-	/* Iterate through file lines */
-	lines = g_strsplit_set (contents, "\n\r", -1);
-	for (iter = lines; iter && *iter; iter++) {
-		NMIPRoute *route;
-
-		/* Skip empty lines */
-		if (g_regex_match_simple (pattern_empty, *iter, 0, 0))
-			continue;
-
-		/* Destination */
-		g_regex_match (regex_to1, *iter, 0, &match_info);
-		if (!g_match_info_matches (match_info)) {
-			g_match_info_free (match_info);
-			g_regex_match (regex_to2, *iter, 0, &match_info);
-			if (!g_match_info_matches (match_info)) {
-				g_match_info_free (match_info);
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Missing IP6 route destination address in record: '%s'", *iter);
-				goto error;
-			}
-		}
-		dest = g_match_info_fetch (match_info, 1);
-		if (!g_strcmp0 (dest, "default")) {
-			/* Ignore default route - NM handles it internally */
-			g_clear_pointer (&dest, g_free);
-			g_match_info_free (match_info);
-			PARSE_WARNING ("ignoring manual default route: '%s' (%s)", *iter, filename);
-			continue;
-		}
-
-		/* Prefix - is optional; 128 if missing */
-		prefix = g_match_info_fetch (match_info, 2);
-		g_match_info_free (match_info);
-		prefix_int = 128;
-		if (prefix) {
-			prefix_int = _nm_utils_ascii_str_to_int64 (prefix, 10, 1, 128, -1);
-			if (prefix_int == -1) {
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Invalid IP6 route destination prefix '%s'", prefix);
-				g_free (dest);
-				g_free (prefix);
-				goto error;
-			}
-		}
-		g_free (prefix);
-
-		/* Next hop */
-		g_regex_match (regex_via, *iter, 0, &match_info);
-		if (g_match_info_matches (match_info)) {
-			next_hop = g_match_info_fetch (match_info, 1);
-			if (!nm_utils_ipaddr_valid (AF_INET6, next_hop)) {
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Invalid IPv6 route nexthop address '%s'",
-				             next_hop);
-				g_match_info_free (match_info);
-				g_free (dest);
-				g_free (next_hop);
-				goto error;
-			}
-		} else {
-			/* Missing "via" is taken as :: */
-			next_hop = NULL;
-		}
-		g_match_info_free (match_info);
-
-		/* Metric */
-		g_regex_match (regex_metric, *iter, 0, &match_info);
-		metric_int = -1;
-		if (g_match_info_matches (match_info)) {
-			metric = g_match_info_fetch (match_info, 1);
-			metric_int = _nm_utils_ascii_str_to_int64 (metric, 10, 0, G_MAXUINT32, -1);
-			if (metric_int == -1) {
-				g_match_info_free (match_info);
-				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-				             "Invalid IP6 route metric '%s'", metric);
-				g_free (dest);
-				g_free (next_hop);
-				g_free (metric);
-				goto error;
-			}
-			g_free (metric);
-		}
-		g_match_info_free (match_info);
-
-		route = nm_ip_route_new (AF_INET6, dest, prefix_int, next_hop, metric_int, error);
-		g_free (dest);
-		g_free (next_hop);
-		if (!route)
-			goto error;
-
-		if (!parse_route_options (route, AF_INET6, *iter, error)) {
-			nm_ip_route_unref (route);
-			goto error;
-		}
-
-		if (!nm_setting_ip_config_add_route (s_ip6, route))
-			PARSE_WARNING ("duplicate IP6 route");
-		nm_ip_route_unref (route);
-	}
-
-	success = TRUE;
-
-error:
-	g_free (contents);
-	g_strfreev (lines);
-	g_regex_unref (regex_to1);
-	g_regex_unref (regex_to2);
-	g_regex_unref (regex_via);
-	g_regex_unref (regex_metric);
-
-	return success;
-}
-
 static NMSetting *
 make_user_setting (shvarFile *ifcfg, GError **error)
 {
@@ -1076,18 +1192,18 @@ static NMSetting *
 make_proxy_setting (shvarFile *ifcfg, GError **error)
 {
 	NMSettingProxy *s_proxy = NULL;
-	char *value = NULL;
+	gs_free char *value = NULL;
+	const char *v;
 	NMSettingProxyMethod method;
 
-	value = svGetValueStr_cp (ifcfg, "PROXY_METHOD");
-	if (!value)
+	v = svGetValueStr (ifcfg, "PROXY_METHOD", &value);
+	if (!v)
 		return NULL;
 
-	if (!g_ascii_strcasecmp (value, "auto"))
+	if (!g_ascii_strcasecmp (v, "auto"))
 		method = NM_SETTING_PROXY_METHOD_AUTO;
 	else
 		method = NM_SETTING_PROXY_METHOD_NONE;
-	g_free (value);
 
 	s_proxy = (NMSettingProxy *) nm_setting_proxy_new ();
 
@@ -1097,19 +1213,15 @@ make_proxy_setting (shvarFile *ifcfg, GError **error)
 		              NM_SETTING_PROXY_METHOD, (int) NM_SETTING_PROXY_METHOD_AUTO,
 		              NULL);
 
-		value = svGetValueStr_cp (ifcfg, "PAC_URL");
-		if (value) {
-			value = g_strstrip (value);
-			g_object_set (s_proxy, NM_SETTING_PROXY_PAC_URL, value, NULL);
-			g_free (value);
-		}
+		nm_clear_g_free (&value);
+		v = svGetValueStr (ifcfg, "PAC_URL", &value);
+		if (v)
+			g_object_set (s_proxy, NM_SETTING_PROXY_PAC_URL, v, NULL);
 
-		value = svGetValueStr_cp (ifcfg, "PAC_SCRIPT");
-		if (value) {
-			value = g_strstrip (value);
-			g_object_set (s_proxy, NM_SETTING_PROXY_PAC_SCRIPT, value, NULL);
-			g_free (value);
-		}
+		nm_clear_g_free (&value);
+		v = svGetValueStr (ifcfg, "PAC_SCRIPT", &value);
+		if (v)
+			g_object_set (s_proxy, NM_SETTING_PROXY_PAC_SCRIPT, v, NULL);
 
 		break;
 	case NM_SETTING_PROXY_METHOD_NONE:
@@ -1119,12 +1231,8 @@ make_proxy_setting (shvarFile *ifcfg, GError **error)
 		break;
 	}
 
-	value = svGetValueStr_cp (ifcfg, "BROWSER_ONLY");
-	if (value) {
-		if (!g_ascii_strcasecmp (value, "yes"))
-			g_object_set (s_proxy, NM_SETTING_PROXY_BROWSER_ONLY, TRUE, NULL);
-		g_free (value);
-	}
+	if (svGetValueBoolean (ifcfg, "BROWSER_ONLY", FALSE))
+		g_object_set (s_proxy, NM_SETTING_PROXY_BROWSER_ONLY, TRUE, NULL);
 
 	return NM_SETTING (s_proxy);
 }
@@ -1132,12 +1240,14 @@ make_proxy_setting (shvarFile *ifcfg, GError **error)
 static NMSetting *
 make_ip4_setting (shvarFile *ifcfg,
                   const char *network_file,
+                  gboolean routes_read,
                   gboolean *out_has_defroute,
                   GError **error)
 {
 	gs_unref_object NMSettingIPConfig *s_ip4 = NULL;
 	gs_free char *route_path = NULL;
-	char *value = NULL;
+	gs_free char *value = NULL;
+	const char *v;
 	char *method;
 	gs_free char *dns_options_free = NULL;
 	const char *dns_options = NULL;
@@ -1151,6 +1261,8 @@ make_ip4_setting (shvarFile *ifcfg,
 	gint64 timeout;
 	gint priority;
 	char inet_buf[NM_UTILS_INET_ADDRSTRLEN];
+	const char *const *item;
+	guint32 route_table;
 
 	nm_assert (out_has_defroute && !*out_has_defroute);
 
@@ -1172,44 +1284,43 @@ make_ip4_setting (shvarFile *ifcfg,
 	/* Then check if GATEWAYDEV; it's global and overrides DEFROUTE */
 	network_ifcfg = svOpenFile (network_file, NULL);
 	if (network_ifcfg) {
-		char *gatewaydev;
+		gs_free char *gatewaydev_value = NULL;
+		const char *gatewaydev;
 
 		/* Get the connection ifcfg device name and the global gateway device */
-		value = svGetValueStr_cp (ifcfg, "DEVICE");
-		gatewaydev = svGetValueStr_cp (network_ifcfg, "GATEWAYDEV");
+		v = svGetValueStr (ifcfg, "DEVICE", &value);
+		gatewaydev = svGetValueStr (network_ifcfg, "GATEWAYDEV", &gatewaydev_value);
 		dns_options = svGetValue (network_ifcfg, "RES_OPTIONS", &dns_options_free);
 
 		/* If there was a global gateway device specified, then only connections
 		 * for that device can be the default connection.
 		 */
-		if (gatewaydev && value)
-			never_default = !!strcmp (value, gatewaydev);
+		if (gatewaydev && v)
+			never_default = !!strcmp (v, gatewaydev);
 
-		g_free (gatewaydev);
-		g_free (value);
+		nm_clear_g_free (&value);
 		svCloseFile (network_ifcfg);
 	}
 
-	value = svGetValueStr_cp (ifcfg, "BOOTPROTO");
+	v = svGetValueStr (ifcfg, "BOOTPROTO", &value);
 
-	if (!value || !*value || !g_ascii_strcasecmp (value, "none")) {
+	if (!v || !*v || !g_ascii_strcasecmp (v, "none")) {
 		if (is_any_ip4_address_defined (ifcfg, NULL))
 			method = NM_SETTING_IP4_CONFIG_METHOD_MANUAL;
 		else
 			method = NM_SETTING_IP4_CONFIG_METHOD_DISABLED;
-	} else if (!g_ascii_strcasecmp (value, "bootp") || !g_ascii_strcasecmp (value, "dhcp")) {
+	} else if (!g_ascii_strcasecmp (v, "bootp") || !g_ascii_strcasecmp (v, "dhcp")) {
 		method = NM_SETTING_IP4_CONFIG_METHOD_AUTO;
-	} else if (!g_ascii_strcasecmp (value, "static")) {
+	} else if (!g_ascii_strcasecmp (v, "static")) {
 		if (is_any_ip4_address_defined (ifcfg, NULL))
 			method = NM_SETTING_IP4_CONFIG_METHOD_MANUAL;
 		else
 			method = NM_SETTING_IP4_CONFIG_METHOD_DISABLED;
-	} else if (!g_ascii_strcasecmp (value, "autoip")) {
+	} else if (!g_ascii_strcasecmp (v, "autoip")) {
 		method = NM_SETTING_IP4_CONFIG_METHOD_LINK_LOCAL;
-	} else if (!g_ascii_strcasecmp (value, "shared")) {
+	} else if (!g_ascii_strcasecmp (v, "shared")) {
 		int idx;
 
-		g_free (value);
 		g_object_set (s_ip4,
 		              NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_SHARED,
 		              NM_SETTING_IP_CONFIG_NEVER_DEFAULT, never_default,
@@ -1233,11 +1344,18 @@ make_ip4_setting (shvarFile *ifcfg,
 		return g_steal_pointer (&s_ip4);
 	} else {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-		             "Unknown BOOTPROTO '%s'", value);
-		g_free (value);
+		             "Unknown BOOTPROTO '%s'", v);
 		return NULL;
 	}
-	g_free (value);
+
+	/* the route table (policy routing) is ignored if we don't handle routes. */
+	route_table = svGetValueInt64 (ifcfg, "IPV4_ROUTE_TABLE", 10,
+	                               0, G_MAXUINT32, 0);
+	if (   route_table != 0
+	    && !routes_read) {
+		PARSE_WARNING ("'rule-' or 'rule6-' files are present; Policy routing (IPV4_ROUTE_TABLE) is ignored");
+		route_table = 0;
+	}
 
 	g_object_set (s_ip4,
 	              NM_SETTING_IP_CONFIG_METHOD, method,
@@ -1247,44 +1365,43 @@ make_ip4_setting (shvarFile *ifcfg,
 	              NM_SETTING_IP_CONFIG_MAY_FAIL, !svGetValueBoolean (ifcfg, "IPV4_FAILURE_FATAL", FALSE),
 	              NM_SETTING_IP_CONFIG_ROUTE_METRIC, svGetValueInt64 (ifcfg, "IPV4_ROUTE_METRIC", 10,
 	                                                                  -1, G_MAXUINT32, -1),
+	              NM_SETTING_IP_CONFIG_ROUTE_TABLE, (guint) route_table,
 	              NULL);
 
 	if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED) == 0)
 		return g_steal_pointer (&s_ip4);
 
 	/* Handle DHCP settings */
-	value = svGetValueStr_cp (ifcfg, "DHCP_HOSTNAME");
-	if (value) {
-		g_object_set (s_ip4, NM_SETTING_IP_CONFIG_DHCP_HOSTNAME, value, NULL);
-		g_free (value);
-	}
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "DHCP_HOSTNAME", &value);
+	if (v)
+		g_object_set (s_ip4, NM_SETTING_IP_CONFIG_DHCP_HOSTNAME, v, NULL);
 
-	value = svGetValueStr_cp (ifcfg, "DHCP_FQDN");
-	if (value) {
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "DHCP_FQDN", &value);
+	if (v) {
 		g_object_set (s_ip4,
 		              NM_SETTING_IP_CONFIG_DHCP_HOSTNAME, NULL,
-		              NM_SETTING_IP4_CONFIG_DHCP_FQDN, value,
+		              NM_SETTING_IP4_CONFIG_DHCP_FQDN, v,
 		              NULL);
-		g_free (value);
 	}
 
 	g_object_set (s_ip4,
-		      NM_SETTING_IP_CONFIG_DHCP_SEND_HOSTNAME, svGetValueBoolean (ifcfg, "DHCP_SEND_HOSTNAME", TRUE),
-		      NM_SETTING_IP_CONFIG_DHCP_TIMEOUT, svGetValueInt64 (ifcfg, "IPV4_DHCP_TIMEOUT", 10, 0, G_MAXINT32, 0),
-		      NULL);
+	              NM_SETTING_IP_CONFIG_DHCP_SEND_HOSTNAME, svGetValueBoolean (ifcfg, "DHCP_SEND_HOSTNAME", TRUE),
+	              NM_SETTING_IP_CONFIG_DHCP_TIMEOUT, svGetValueInt64 (ifcfg, "IPV4_DHCP_TIMEOUT", 10, 0, G_MAXINT32, 0),
+	              NULL);
 
-	value = svGetValueStr_cp (ifcfg, "DHCP_CLIENT_ID");
-	if (value) {
-		g_object_set (s_ip4, NM_SETTING_IP4_CONFIG_DHCP_CLIENT_ID, value, NULL);
-		g_free (value);
-	}
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "DHCP_CLIENT_ID", &value);
+	if (v)
+		g_object_set (s_ip4, NM_SETTING_IP4_CONFIG_DHCP_CLIENT_ID, v, NULL);
 
 	/* Read static IP addresses.
 	 * Read them even for AUTO method - in this case the addresses are
 	 * added to the automatic ones. Note that this is not currently supported by
 	 * the legacy 'network' service (ifup-eth).
 	 */
-	for (i = -1; i < 256; i++) {
+	for (i = -1;; i++) {
 		NMIPAddress *addr = NULL;
 
 		/* gateway will only be set if still unset. Hence, we don't leak gateway
@@ -1337,46 +1454,40 @@ make_ip4_setting (shvarFile *ifcfg,
 		char tag[256];
 
 		numbered_tag (tag, "DNS", i);
-		value = svGetValueStr_cp (ifcfg, tag);
-		if (value) {
-			if (nm_utils_ipaddr_valid (AF_INET, value)) {
-				if (!nm_setting_ip_config_add_dns (s_ip4, value))
+		nm_clear_g_free (&value);
+		v = svGetValueStr (ifcfg, tag, &value);
+		if (v) {
+			if (nm_utils_ipaddr_valid (AF_INET, v)) {
+				if (!nm_setting_ip_config_add_dns (s_ip4, v))
 					PARSE_WARNING ("duplicate DNS server %s", tag);
-			} else if (nm_utils_ipaddr_valid (AF_INET6, value)) {
+			} else if (nm_utils_ipaddr_valid (AF_INET6, v)) {
 				/* Ignore IPv6 addresses */
 			} else {
-				PARSE_WARNING ("invalid DNS server address %s", value);
-				g_free (value);
+				PARSE_WARNING ("invalid DNS server address %s", v);
 				return NULL;
 			}
-
-			g_free (value);
 		}
 	}
 
 	/* DNS searches */
-	value = svGetValueStr_cp (ifcfg, "DOMAIN");
-	if (value) {
-		char **searches = NULL;
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "DOMAIN", &value);
+	if (v) {
+		gs_free const char **searches = NULL;
 
-		searches = g_strsplit (value, " ", 0);
+		searches = nm_utils_strsplit_set (v, " ");
 		if (searches) {
-			char **item;
 			for (item = searches; *item; item++) {
-				if (strlen (*item)) {
-					if (!nm_setting_ip_config_add_dns_search (s_ip4, *item))
-						PARSE_WARNING ("duplicate DNS domain '%s'", *item);
-				}
+				if (!nm_setting_ip_config_add_dns_search (s_ip4, *item))
+					PARSE_WARNING ("duplicate DNS domain '%s'", *item);
 			}
-			g_strfreev (searches);
 		}
-		g_free (value);
 	}
 
 	/* DNS options */
+	nm_clear_g_free (&value);
 	parse_dns_options (s_ip4, svGetValue (ifcfg, "RES_OPTIONS", &value));
 	parse_dns_options (s_ip4, dns_options);
-	g_free (value);
 
 	/* DNS priority */
 	priority = svGetValueInt64 (ifcfg, "IPV4_DNS_PRIORITY", 10, G_MININT32, G_MAXINT32, 0);
@@ -1388,13 +1499,13 @@ make_ip4_setting (shvarFile *ifcfg,
 	/* Static routes  - route-<name> file */
 	route_path = utils_get_route_path (svFileGetName (ifcfg));
 
-	if (utils_has_complex_routes (route_path)) {
-		PARSE_WARNING ("'rule-' or 'rule6-' file is present; you will need to use a dispatcher script to apply these routes");
+	if (!routes_read) {
+		/* NOP */
 	} else if (utils_has_route_file_new_syntax (route_path)) {
 		/* Parse route file in new syntax */
 		route_ifcfg = utils_get_route_ifcfg (svFileGetName (ifcfg), FALSE);
 		if (route_ifcfg) {
-			for (i = 0; i < 256; i++) {
+			for (i = 0;; i++) {
 				NMIPRoute *route = NULL;
 
 				if (!read_one_ip4_route (route_ifcfg, i, &route, error)) {
@@ -1412,28 +1523,24 @@ make_ip4_setting (shvarFile *ifcfg,
 			svCloseFile (route_ifcfg);
 		}
 	} else {
-		if (!read_route_file_legacy (route_path, s_ip4, error))
+		if (!read_route_file (AF_INET, route_path, s_ip4, error))
 			return NULL;
 	}
 
 	/* Legacy value NM used for a while but is incorrect (rh #459370) */
 	if (!nm_setting_ip_config_get_num_dns_searches (s_ip4)) {
-		value = svGetValueStr_cp (ifcfg, "SEARCH");
-		if (value) {
-			char **searches = NULL;
+		nm_clear_g_free (&value);
+		v = svGetValueStr (ifcfg, "SEARCH", &value);
+		if (v) {
+			gs_free const char **searches = NULL;
 
-			searches = g_strsplit (value, " ", 0);
+			searches = nm_utils_strsplit_set (v, " ");
 			if (searches) {
-				char **item;
 				for (item = searches; *item; item++) {
-					if (strlen (*item)) {
-						if (!nm_setting_ip_config_add_dns_search (s_ip4, *item))
-							PARSE_WARNING ("duplicate DNS search '%s'", *item);
-					}
+					if (!nm_setting_ip_config_add_dns_search (s_ip4, *item))
+						PARSE_WARNING ("duplicate DNS search '%s'", *item);
 				}
-				g_strfreev (searches);
 			}
-			g_free (value);
 		}
 	}
 
@@ -1450,7 +1557,6 @@ read_aliases (NMSettingIPConfig *s_ip4, gboolean read_defroute, const char *file
 {
 	GDir *dir;
 	char *dirname, *base;
-	shvarFile *parsed;
 	NMIPAddress *base_addr = NULL;
 	GError *err = NULL;
 
@@ -1472,8 +1578,11 @@ read_aliases (NMSettingIPConfig *s_ip4, gboolean read_defroute, const char *file
 		gboolean ok;
 
 		while ((item = g_dir_read_name (dir))) {
+			nm_auto_shvar_file_close shvarFile *parsed = NULL;
 			gs_free char *gateway = NULL;
-			char *full_path, *device;
+			gs_free char *device_value = NULL;
+			gs_free char *full_path = NULL;
+			const char *device;
 			const char *p;
 
 			if (!utils_is_ifcfg_alias_file (item, base))
@@ -1489,32 +1598,25 @@ read_aliases (NMSettingIPConfig *s_ip4, gboolean read_defroute, const char *file
 			}
 			if (*p) {
 				PARSE_WARNING ("ignoring alias file '%s' with invalid name", full_path);
-				g_free (full_path);
 				continue;
 			}
 
 			parsed = svOpenFile (full_path, &err);
 			if (!parsed) {
 				PARSE_WARNING ("couldn't parse alias file '%s': %s", full_path, err->message);
-				g_free (full_path);
 				g_clear_error (&err);
 				continue;
 			}
 
-			device = svGetValueStr_cp (parsed, "DEVICE");
+			device = svGetValueStr (parsed, "DEVICE", &device_value);
 			if (!device) {
 				PARSE_WARNING ("alias file '%s' has no DEVICE", full_path);
-				svCloseFile (parsed);
-				g_free (full_path);
 				continue;
 			}
 			/* We know that item starts with IFCFG_TAG from utils_is_ifcfg_alias_file() */
 			if (strcmp (device, item + strlen (IFCFG_TAG)) != 0) {
 				PARSE_WARNING ("alias file '%s' has invalid DEVICE (%s) for filename",
 				               full_path, device);
-				g_free (device);
-				svCloseFile (parsed);
-				g_free (full_path);
 				continue;
 			}
 
@@ -1549,11 +1651,6 @@ read_aliases (NMSettingIPConfig *s_ip4, gboolean read_defroute, const char *file
 				g_clear_error (&err);
 			}
 			nm_ip_address_unref (addr);
-
-			svCloseFile (parsed);
-
-			g_free (device);
-			g_free (full_path);
 		}
 
 		g_dir_close (dir);
@@ -1569,6 +1666,7 @@ read_aliases (NMSettingIPConfig *s_ip4, gboolean read_defroute, const char *file
 static NMSetting *
 make_ip6_setting (shvarFile *ifcfg,
                   const char *network_file,
+                  gboolean routes_read,
                   GError **error)
 {
 	NMSettingIPConfig *s_ip6 = NULL;
@@ -1580,14 +1678,17 @@ make_ip6_setting (shvarFile *ifcfg,
 	gboolean ipv6init, ipv6forwarding, dhcp6 = FALSE;
 	char *method = NM_SETTING_IP6_CONFIG_METHOD_MANUAL;
 	char *ipv6addr, *ipv6addr_secondaries;
-	char **list = NULL, **iter;
+	gs_free const char **list = NULL;
+	const char *const *iter;
 	guint32 i;
+	int i_val;
+	GError *local = NULL;
 	gint priority;
 	shvarFile *network_ifcfg;
 	gboolean never_default = FALSE;
 	gboolean ip6_privacy = FALSE, ip6_privacy_prefer_public_ip;
 	NMSettingIP6ConfigPrivacy ip6_privacy_val;
-	NMSettingIP6ConfigAddrGenMode addr_gen_mode;
+	guint32 route_table;
 
 	s_ip6 = (NMSettingIPConfig *) nm_setting_ip6_config_new ();
 
@@ -1689,6 +1790,15 @@ make_ip6_setting (shvarFile *ifcfg,
 	                      NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN;
 	g_free (str_value);
 
+	/* the route table (policy routing) is ignored if we don't handle routes. */
+	route_table = svGetValueInt64 (ifcfg, "IPV6_ROUTE_TABLE", 10,
+	                               0, G_MAXUINT32, 0);
+	if (   route_table != 0
+	    && !routes_read) {
+		PARSE_WARNING ("'rule-' or 'rule6-' files are present; Policy routing (IPV6_ROUTE_TABLE) is ignored");
+		route_table = 0;
+	}
+
 	g_object_set (s_ip6,
 	              NM_SETTING_IP_CONFIG_METHOD, method,
 	              NM_SETTING_IP_CONFIG_IGNORE_AUTO_DNS, !svGetValueBoolean (ifcfg, "IPV6_PEERDNS", TRUE),
@@ -1697,6 +1807,7 @@ make_ip6_setting (shvarFile *ifcfg,
 	              NM_SETTING_IP_CONFIG_MAY_FAIL, !svGetValueBoolean (ifcfg, "IPV6_FAILURE_FATAL", FALSE),
 	              NM_SETTING_IP_CONFIG_ROUTE_METRIC, svGetValueInt64 (ifcfg, "IPV6_ROUTE_METRIC", 10,
 	                                                                  -1, G_MAXUINT32, -1),
+	              NM_SETTING_IP_CONFIG_ROUTE_TABLE, (guint) route_table,
 	              NM_SETTING_IP6_CONFIG_IP6_PRIVACY, ip6_privacy_val,
 	              NULL);
 
@@ -1736,21 +1847,18 @@ make_ip6_setting (shvarFile *ifcfg,
 	g_free (ipv6addr);
 	g_free (ipv6addr_secondaries);
 
-	list = g_strsplit_set (value, " ", 0);
+	list = nm_utils_strsplit_set (value, " ");
 	g_free (value);
 	for (iter = list, i = 0; iter && *iter; iter++, i++) {
 		NMIPAddress *addr = NULL;
 
-		if (!parse_full_ip6_address (ifcfg, *iter, i, &addr, error)) {
-			g_strfreev (list);
+		if (!parse_full_ip6_address (ifcfg, *iter, i, &addr, error))
 			goto error;
-		}
 
 		if (!nm_setting_ip_config_add_address (s_ip6, addr))
 			PARSE_WARNING ("duplicate IP6 address");
 		nm_ip_address_unref (addr);
 	}
-	g_strfreev (list);
 
 	/* Gateway */
 	if (nm_setting_ip_config_get_num_addresses (s_ip6)) {
@@ -1779,21 +1887,14 @@ make_ip6_setting (shvarFile *ifcfg,
 		}
 	}
 
-	/* IPv6 addressing mode configuration */
-	str_value = svGetValueStr_cp (ifcfg, "IPV6_ADDR_GEN_MODE");
-	if (str_value) {
-		if (nm_utils_enum_from_str (nm_setting_ip6_config_addr_gen_mode_get_type (), str_value,
-		                            (int *) &addr_gen_mode, NULL))
-			g_object_set (s_ip6, NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE, addr_gen_mode, NULL);
-		else
-			PARSE_WARNING ("Invalid IPV6_ADDR_GEN_MODE");
-		g_free (str_value);
-	} else {
-		g_object_set (s_ip6,
-		              NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE,
-		              NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64,
-		              NULL);
+	i_val = NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64;
+	if (!svGetValueEnum (ifcfg, "IPV6_ADDR_GEN_MODE",
+	                     nm_setting_ip6_config_addr_gen_mode_get_type (),
+	                     &i_val, &local)) {
+		PARSE_WARNING ("%s", local->message);
+		g_clear_error (&local);
 	}
+	g_object_set (s_ip6, NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE, i_val, NULL);
 
 	/* IPv6 tokenized interface identifier */
 	str_value = svGetValueStr_cp (ifcfg, "IPV6_TOKEN");
@@ -1831,12 +1932,13 @@ make_ip6_setting (shvarFile *ifcfg,
 
 	/* DNS searches ('DOMAIN' key) are read by make_ip4_setting() and included in NMSettingIPConfig */
 
-	if (!utils_has_complex_routes (svFileGetName (ifcfg))) {
+	if (!routes_read) {
+		/* NOP */
+	} else {
 		/* Read static routes from route6-<interface> file */
 		route6_path = utils_get_route6_path (svFileGetName (ifcfg));
-		if (!read_route6_file (route6_path, s_ip6, error))
+		if (!read_route_file (AF_INET6, route6_path, s_ip6, error))
 			goto error;
-
 		g_free (route6_path);
 	}
 
@@ -1860,57 +1962,6 @@ error:
 	return NULL;
 }
 
-static void
-check_if_bond_slave (shvarFile *ifcfg,
-                     NMSettingConnection *s_con)
-{
-	char *value;
-
-	value = svGetValueStr_cp (ifcfg, "MASTER_UUID");
-	if (!value)
-		value = svGetValueStr_cp (ifcfg, "MASTER");
-
-	if (value) {
-		g_object_set (s_con, NM_SETTING_CONNECTION_MASTER, value, NULL);
-		g_object_set (s_con,
-		              NM_SETTING_CONNECTION_SLAVE_TYPE, NM_SETTING_BOND_SETTING_NAME,
-		              NULL);
-		g_free (value);
-	}
-
-	/* We should be checking for SLAVE=yes as well, but NM used to not set that,
-	 * so for backward-compatibility, we don't check.
-	 */
-}
-
-static gboolean
-check_if_team_slave (shvarFile *ifcfg,
-                     NMSettingConnection *s_con)
-{
-	gs_free char *value = NULL;
-
-	value = svGetValueStr_cp (ifcfg, "TEAM_MASTER_UUID");
-	if (!value)
-		value = svGetValueStr_cp (ifcfg, "TEAM_MASTER");
-	if (!value)
-		return FALSE;
-
-	g_object_set (s_con, NM_SETTING_CONNECTION_MASTER, value, NULL);
-	g_object_set (s_con, NM_SETTING_CONNECTION_SLAVE_TYPE, NM_SETTING_TEAM_SETTING_NAME, NULL);
-	return TRUE;
-}
-
-static void
-check_if_slave (shvarFile *ifcfg,
-                NMSettingConnection *s_con)
-{
-	g_return_if_fail (NM_IS_SETTING_CONNECTION (s_con));
-
-	if (check_if_team_slave (ifcfg, s_con))
-		return;
-	check_if_bond_slave (ifcfg, s_con);
-}
-
 typedef struct {
 	const char *enable_key;
 	const char *advertise_key;
@@ -1959,29 +2010,29 @@ read_dcb_app (shvarFile *ifcfg,
               GError **error)
 {
 	NMSettingDcbFlags flags = NM_SETTING_DCB_FLAG_NONE;
-	char *tmp, *val;
+	gs_free char *value = NULL;
+	const char *v;
 	gboolean success = TRUE;
 	int priority = -1;
+	char key[255];
 
 	flags = read_dcb_flags (ifcfg, flags_prop);
 
 	/* Priority */
-	tmp = g_strdup_printf ("DCB_APP_%s_PRIORITY", app);
-	val = svGetValueStr_cp (ifcfg, tmp);
-	if (val) {
-		priority = _nm_utils_ascii_str_to_int64 (val, 0, 0, 7, -1);
+	nm_sprintf_buf (key, "DCB_APP_%s_PRIORITY", app);
+	v = svGetValueStr (ifcfg, key, &value);
+	if (v) {
+		priority = _nm_utils_ascii_str_to_int64 (v, 0, 0, 7, -1);
 		if (priority < 0) {
 			success = FALSE;
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			             "Invalid %s value '%s' (expected 0 - 7)",
-			             tmp, val);
+			             key, v);
 		}
-		g_free (val);
 
 		if (!(flags & NM_SETTING_DCB_FLAG_ENABLE))
 			PARSE_WARNING ("ignoring DCB %s priority; app not enabled", app);
 	}
-	g_free (tmp);
 
 	if (success) {
 		g_object_set (G_OBJECT (s_dcb),
@@ -2004,11 +2055,12 @@ read_dcb_bool_array (shvarFile *ifcfg,
                      DcbSetBoolFunc set_func,
                      GError **error)
 {
-	gs_free char *val = NULL;
+	gs_free char *value = NULL;
+	const char *v;
 	guint i;
 
-	val = svGetValueStr_cp (ifcfg, prop);
-	if (!val)
+	v = svGetValueStr (ifcfg, prop, &value);
+	if (!v)
 		return TRUE;
 
 	if (!(flags & NM_SETTING_DCB_FLAG_ENABLE)) {
@@ -2016,8 +2068,8 @@ read_dcb_bool_array (shvarFile *ifcfg,
 		return TRUE;
 	}
 
-	if (strlen (val) != 8) {
-		PARSE_WARNING ("%s value '%s' must be 8 characters long", prop, val);
+	if (strlen (v) != 8) {
+		PARSE_WARNING ("%s value '%s' must be 8 characters long", prop, v);
 		g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		                     "boolean array must be 8 characters");
 		return FALSE;
@@ -2025,13 +2077,13 @@ read_dcb_bool_array (shvarFile *ifcfg,
 
 	/* All characters must be either 0 or 1 */
 	for (i = 0; i < 8; i++) {
-		if (val[i] != '0' && val[i] != '1') {
-			PARSE_WARNING ("invalid %s value '%s': not all 0s and 1s", prop, val);
+		if (v[i] != '0' && v[i] != '1') {
+			PARSE_WARNING ("invalid %s value '%s': not all 0s and 1s", prop, v);
 			g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			                     "invalid boolean digit");
 			return FALSE;
 		}
-		set_func (s_dcb, i, (val[i] == '1'));
+		set_func (s_dcb, i, (v[i] == '1'));
 	}
 	return TRUE;
 }
@@ -2096,8 +2148,8 @@ read_dcb_percent_array (shvarFile *ifcfg,
                         GError **error)
 {
 	gs_free char *val = NULL;
-	gs_strfreev char **split = NULL;
-	char **iter;
+	gs_free const char **split = NULL;
+	const char *const *iter;
 	guint i, sum = 0;
 
 	val = svGetValueStr_cp (ifcfg, prop);
@@ -2109,8 +2161,8 @@ read_dcb_percent_array (shvarFile *ifcfg,
 		return TRUE;
 	}
 
-	split = g_strsplit_set (val, ",", 0);
-	if (!split || (g_strv_length (split) != 8)) {
+	split = nm_utils_strsplit_set (val, ",");
+	if (NM_PTRARRAY_LEN (split) != 8) {
 		PARSE_WARNING ("invalid %s percentage list value '%s'", prop, val);
 		g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		                     "percent array must be 8 elements");
@@ -2531,15 +2583,17 @@ fill_wpa_ciphers (shvarFile *ifcfg,
                   gboolean group,
                   gboolean adhoc)
 {
-	char *value = NULL, *p;
-	char **list = NULL, **iter;
+	gs_free char *value = NULL;
+	const char *p;
+	gs_free const char **list = NULL;
+	const char *const *iter;
 	int i = 0;
 
-	p = value = svGetValueStr_cp (ifcfg, group ? "CIPHER_GROUP" : "CIPHER_PAIRWISE");
-	if (!value)
+	p = svGetValueStr (ifcfg, group ? "CIPHER_GROUP" : "CIPHER_PAIRWISE", &value);
+	if (!p)
 		return TRUE;
 
-	list = g_strsplit_set (p, " ", 0);
+	list = nm_utils_strsplit_set (p, " ");
 	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
@@ -2578,9 +2632,6 @@ fill_wpa_ciphers (shvarFile *ifcfg,
 		}
 	}
 
-	if (list)
-		g_strfreev (list);
-	g_free (value);
 	return TRUE;
 }
 
@@ -2637,6 +2688,23 @@ parse_wpa_psk (shvarFile *ifcfg,
 	return g_steal_pointer (&psk);
 }
 
+static void
+read_8021x_password (shvarFile *ifcfg, shvarFile *keys_ifcfg, const char *name,
+                     char **value, NMSettingSecretFlags *flags)
+{
+	gs_free char *flags_key = NULL;
+
+	*value = NULL;
+	flags_key = g_strdup_printf ("%s_FLAGS", name);
+	*flags = read_secret_flags (ifcfg, flags_key);
+
+	if (*flags == NM_SETTING_SECRET_FLAG_NONE) {
+		*value = svGetValueStr_cp (ifcfg, name);
+		if (!*value && keys_ifcfg)
+			*value = svGetValueStr_cp (keys_ifcfg, name);
+	}
+}
+
 static gboolean
 eap_simple_reader (const char *eap_method,
                    shvarFile *ifcfg,
@@ -2646,6 +2714,7 @@ eap_simple_reader (const char *eap_method,
                    GError **error)
 {
 	NMSettingSecretFlags flags;
+	GBytes *bytes;
 	char *value;
 
 	value = svGetValueStr_cp (ifcfg, "IEEE_8021X_IDENTITY");
@@ -2656,28 +2725,29 @@ eap_simple_reader (const char *eap_method,
 		return FALSE;
 	}
 	g_object_set (s_8021x, NM_SETTING_802_1X_IDENTITY, value, NULL);
-	g_free (value);
+	nm_clear_g_free (&value);
 
-	flags = read_secret_flags (ifcfg, "IEEE_8021X_PASSWORD_FLAGS");
+	read_8021x_password (ifcfg, keys, "IEEE_8021X_PASSWORD", &value, &flags);
 	g_object_set (s_8021x, NM_SETTING_802_1X_PASSWORD_FLAGS, flags, NULL);
+	if (value) {
+		g_object_set (s_8021x, NM_SETTING_802_1X_PASSWORD, value, NULL);
+		nm_clear_g_free (&value);
+	}
 
-	/* Only read the password if it's system-owned */
-	if (flags == NM_SETTING_SECRET_FLAG_NONE) {
-		value = svGetValueStr_cp (ifcfg, "IEEE_8021X_PASSWORD");
-		if (!value && keys) {
-			/* Try the lookaside keys file */
-			value = svGetValueStr_cp (keys, "IEEE_8021X_PASSWORD");
-		}
-
-		if (!value) {
+	read_8021x_password (ifcfg, keys, "IEEE_8021X_PASSWORD_RAW", &value, &flags);
+	g_object_set (s_8021x, NM_SETTING_802_1X_PASSWORD_RAW_FLAGS, flags, NULL);
+	if (value) {
+		bytes = nm_utils_hexstr2bin (value);
+		if (!bytes) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Missing IEEE_8021X_PASSWORD for EAP method '%s'.",
-			             eap_method);
+			             "Invalid hex string '%s' in IEEE_8021X_PASSWORD_RAW.",
+			             value);
+			g_free (value);
 			return FALSE;
 		}
-
-		g_object_set (s_8021x, NM_SETTING_802_1X_PASSWORD, value, NULL);
-		g_free (value);
+		g_object_set (s_8021x, NM_SETTING_802_1X_PASSWORD_RAW, bytes, NULL);
+		g_bytes_unref (bytes);
+		nm_clear_g_free (&value);
 	}
 
 	return TRUE;
@@ -2795,14 +2865,6 @@ eap_tls_reader (const char *eap_method,
 			/* Try the lookaside keys file */
 			privkey_password = svGetValueStr_cp (keys, pk_pw_key);
 		}
-
-		if (!privkey_password) {
-			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Missing %s for EAP method '%s'.",
-			             pk_pw_key,
-			             eap_method);
-			return FALSE;
-		}
 	}
 
 	/* The private key itself */
@@ -2843,8 +2905,7 @@ eap_tls_reader (const char *eap_method,
 	 * 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) {
+	if (privkey_format != NM_SETTING_802_1X_CK_FORMAT_PKCS12) {
 		gs_free char *real_cert_value = NULL;
 		gs_free char *client_cert = NULL;
 
@@ -2888,98 +2949,89 @@ eap_peap_reader (const char *eap_method,
                  gboolean phase2,
                  GError **error)
 {
-	char *anon_ident = NULL;
-	char *ca_cert = NULL;
-	char *real_cert_value = NULL;
-	char *inner_auth = NULL;
-	char *peapver = NULL;
-	char *lower;
-	char **list = NULL, **iter;
-	gboolean success = FALSE;
+	gs_free char *value = NULL;
+	const char *v;
+	gs_free const char **list = NULL;
+	const char *const *iter;
 	NMSetting8021xCKScheme scheme;
 
-	ca_cert = svGetValueStr_cp (ifcfg, "IEEE_8021X_CA_CERT");
-	if (ca_cert) {
-		real_cert_value = get_cert_value (svFileGetName (ifcfg), ca_cert, &scheme);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_CA_CERT", &value);
+	if (v) {
+		gs_free char *real_cert_value = NULL;
+
+		real_cert_value = get_cert_value (svFileGetName (ifcfg), v, &scheme);
 		if (!nm_setting_802_1x_set_ca_cert (s_8021x, real_cert_value, scheme, NULL, error))
-			goto done;
+			return FALSE;
 	} else {
 		PARSE_WARNING ("missing IEEE_8021X_CA_CERT for EAP method '%s'; this is insecure!",
 		               eap_method);
 	}
 
-	peapver = svGetValueStr_cp (ifcfg, "IEEE_8021X_PEAP_VERSION");
-	if (peapver) {
-		if (!strcmp (peapver, "0"))
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_PEAP_VERSION", &value);
+	if (v) {
+		if (!strcmp (v, "0"))
 			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_PEAPVER, "0", NULL);
-		else if (!strcmp (peapver, "1"))
+		else if (!strcmp (v, "1"))
 			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_PEAPVER, "1", NULL);
 		else {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			             "Unknown IEEE_8021X_PEAP_VERSION value '%s'",
-			             peapver);
-			goto done;
+			             v);
+			return FALSE;
 		}
 	}
 
 	if (svGetValueBoolean (ifcfg, "IEEE_8021X_PEAP_FORCE_NEW_LABEL", FALSE))
 		g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_PEAPLABEL, "1", NULL);
 
-	anon_ident = svGetValueStr_cp (ifcfg, "IEEE_8021X_ANON_IDENTITY");
-	if (anon_ident)
-		g_object_set (s_8021x, NM_SETTING_802_1X_ANONYMOUS_IDENTITY, anon_ident, NULL);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_ANON_IDENTITY", &value);
+	if (v)
+		g_object_set (s_8021x, NM_SETTING_802_1X_ANONYMOUS_IDENTITY, v, NULL);
 
-	inner_auth = svGetValueStr_cp (ifcfg, "IEEE_8021X_INNER_AUTH_METHODS");
-	if (!inner_auth) {
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_INNER_AUTH_METHODS", &value);
+	if (!v) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		             "Missing IEEE_8021X_INNER_AUTH_METHODS.");
-		goto done;
+		return FALSE;
 	}
 
 	/* Handle options for the inner auth method */
-	list = g_strsplit (inner_auth, " ", 0);
-	for (iter = list; iter && *iter; iter++) {
-		if (!strlen (*iter))
-			continue;
-
-		if (   !strcmp (*iter, "MSCHAPV2")
-		    || !strcmp (*iter, "MD5")
-		    || !strcmp (*iter, "GTC")) {
+	list = nm_utils_strsplit_set (v, " ");
+	iter = list;
+	if (iter) {
+		if (NM_IN_STRSET (*iter, "MSCHAPV2",
+		                         "MD5",
+		                         "GTC")) {
 			if (!eap_simple_reader (*iter, ifcfg, keys, s_8021x, TRUE, error))
-				goto done;
-		} else if (!strcmp (*iter, "TLS")) {
+				return FALSE;
+		} else if (nm_streq (*iter, "TLS")) {
 			if (!eap_tls_reader (*iter, ifcfg, keys, s_8021x, TRUE, error))
-				goto done;
+				return FALSE;
 		} else {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			             "Unknown IEEE_8021X_INNER_AUTH_METHOD '%s'.",
 			             *iter);
-			goto done;
+			return FALSE;
 		}
 
-		lower = g_ascii_strdown (*iter, -1);
-		g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTH, lower, NULL);
-		g_free (lower);
-		break;
+		{
+			gs_free char *lower = NULL;
+
+			lower = g_ascii_strdown (*iter, -1);
+			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTH, lower, NULL);
+		}
 	}
 
 	if (!nm_setting_802_1x_get_phase2_auth (s_8021x)) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		             "No valid IEEE_8021X_INNER_AUTH_METHODS found.");
-		goto done;
+		return FALSE;
 	}
 
-	success = TRUE;
-
-done:
-	if (list)
-		g_strfreev (list);
-	g_free (inner_auth);
-	g_free (peapver);
-	g_free (real_cert_value);
-	g_free (ca_cert);
-	g_free (anon_ident);
-	return success;
+	return TRUE;
 }
 
 static gboolean
@@ -2990,81 +3042,70 @@ eap_ttls_reader (const char *eap_method,
                  gboolean phase2,
                  GError **error)
 {
-	gboolean success = FALSE;
-	char *anon_ident = NULL;
-	char *ca_cert = NULL;
-	char *real_cert_value = NULL;
-	char *inner_auth = NULL;
-	char *tmp;
-	char **list = NULL, **iter;
+	gs_free char *inner_auth = NULL;
+	gs_free char *value = NULL;
+	const char *v;
+	gs_free const char **list = NULL;
+	const char *const *iter;
 	NMSetting8021xCKScheme scheme;
 
-	ca_cert = svGetValueStr_cp (ifcfg, "IEEE_8021X_CA_CERT");
-	if (ca_cert) {
-		real_cert_value = get_cert_value (svFileGetName (ifcfg), ca_cert, &scheme);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_CA_CERT", &value);
+	if (v) {
+		gs_free char *real_cert_value = NULL;
+
+		real_cert_value = get_cert_value (svFileGetName (ifcfg), v, &scheme);
 		if (!nm_setting_802_1x_set_ca_cert (s_8021x, real_cert_value, scheme, NULL, error))
-			goto done;
+			return FALSE;
 	} else {
 		PARSE_WARNING ("missing IEEE_8021X_CA_CERT for EAP method '%s'; this is insecure!",
 		               eap_method);
 	}
 
-	anon_ident = svGetValueStr_cp (ifcfg, "IEEE_8021X_ANON_IDENTITY");
-	if (anon_ident)
-		g_object_set (s_8021x, NM_SETTING_802_1X_ANONYMOUS_IDENTITY, anon_ident, NULL);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_ANON_IDENTITY", &value);
+	if (v)
+		g_object_set (s_8021x, NM_SETTING_802_1X_ANONYMOUS_IDENTITY, v, NULL);
 
-	tmp = svGetValueStr_cp (ifcfg, "IEEE_8021X_INNER_AUTH_METHODS");
-	if (!tmp) {
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_INNER_AUTH_METHODS", &value);
+	if (!v) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		             "Missing IEEE_8021X_INNER_AUTH_METHODS.");
-		goto done;
+		return FALSE;
 	}
 
-	inner_auth = g_ascii_strdown (tmp, -1);
-	g_free (tmp);
+	inner_auth = g_ascii_strdown (v, -1);
 
 	/* Handle options for the inner auth method */
-	list = g_strsplit (inner_auth, " ", 0);
-	for (iter = list; iter && *iter; iter++) {
-		if (!strlen (*iter))
-			continue;
-
-		if (   !strcmp (*iter, "mschapv2")
-		    || !strcmp (*iter, "mschap")
-		    || !strcmp (*iter, "pap")
-		    || !strcmp (*iter, "chap")) {
+	list = nm_utils_strsplit_set (inner_auth, " ");
+	iter = list;
+	if (iter) {
+		if (NM_IN_STRSET (*iter, "mschapv2",
+		                         "mschap",
+		                         "pap",
+		                         "chap")) {
 			if (!eap_simple_reader (*iter, ifcfg, keys, s_8021x, TRUE, error))
-				goto done;
+				return FALSE;
 			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTH, *iter, NULL);
-		} else if (!strcmp (*iter, "eap-tls")) {
+		} else if (nm_streq (*iter, "eap-tls")) {
 			if (!eap_tls_reader (*iter, ifcfg, keys, s_8021x, TRUE, error))
-				goto done;
+				return FALSE;
 			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTHEAP, "tls", NULL);
-		} else if (   !strcmp (*iter, "eap-mschapv2")
-		           || !strcmp (*iter, "eap-md5")
-		           || !strcmp (*iter, "eap-gtc")) {
+		} else if (NM_IN_STRSET (*iter, "eap-mschapv2",
+		                                "eap-md5",
+		                                "eap-gtc")) {
 			if (!eap_simple_reader (*iter, ifcfg, keys, s_8021x, TRUE, error))
-				goto done;
+				return FALSE;
 			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_AUTHEAP, (*iter + NM_STRLEN ("eap-")), NULL);
 		} else {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			             "Unknown IEEE_8021X_INNER_AUTH_METHOD '%s'.",
 			             *iter);
-			goto done;
+			return FALSE;
 		}
-		break;
 	}
 
-	success = TRUE;
-
-done:
-	if (list)
-		g_strfreev (list);
-	g_free (inner_auth);
-	g_free (real_cert_value);
-	g_free (ca_cert);
-	g_free (anon_ident);
-	return success;
+	return TRUE;
 }
 
 static gboolean
@@ -3081,7 +3122,8 @@ eap_fast_reader (const char *eap_method,
 	char *inner_auth = NULL;
 	char *fast_provisioning = NULL;
 	char *lower;
-	char **list = NULL, **iter;
+	gs_free const char **list = NULL;
+	const char *const *iter;
 	const char *pac_prov_str;
 	gboolean allow_unauth = FALSE, allow_auth = FALSE;
 	gboolean success = FALSE;
@@ -3094,10 +3136,10 @@ eap_fast_reader (const char *eap_method,
 
 	fast_provisioning = svGetValueStr_cp (ifcfg, "IEEE_8021X_FAST_PROVISIONING");
 	if (fast_provisioning) {
-		list = g_strsplit_set (fast_provisioning, " \t", 0);
-		for (iter = list; iter && *iter; iter++) {
-			if (**iter == '\0')
-				continue;
+		gs_free const char **list1 = NULL;
+
+		list1 = nm_utils_strsplit_set (fast_provisioning, " \t");
+		for (iter = list1; iter && *iter; iter++) {
 			if (strcmp (*iter, "allow-unauth") == 0)
 				allow_unauth = TRUE;
 			else if (strcmp (*iter, "allow-auth") == 0)
@@ -3108,8 +3150,6 @@ eap_fast_reader (const char *eap_method,
 				               *iter);
 			}
 		}
-		g_strfreev (list);
-		list = NULL;
 	}
 	pac_prov_str = allow_unauth ? (allow_auth ? "3" : "1") : (allow_auth ? "2" : "0");
 	g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_FAST_PROVISIONING, pac_prov_str, NULL);
@@ -3132,11 +3172,9 @@ eap_fast_reader (const char *eap_method,
 	}
 
 	/* Handle options for the inner auth method */
-	list = g_strsplit (inner_auth, " ", 0);
-	for (iter = list; iter && *iter; iter++) {
-		if (!strlen (*iter))
-			continue;
-
+	list = nm_utils_strsplit_set (inner_auth, " ");
+	iter = list;
+	if (iter) {
 		if (   !strcmp (*iter, "MSCHAPV2")
 		    || !strcmp (*iter, "GTC")) {
 			if (!eap_simple_reader (*iter, ifcfg, keys, s_8021x, TRUE, error))
@@ -3151,7 +3189,6 @@ eap_fast_reader (const char *eap_method,
 		lower = g_ascii_strdown (*iter, -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)) {
@@ -3163,7 +3200,6 @@ eap_fast_reader (const char *eap_method,
 	success = TRUE;
 
 done:
-	g_strfreev (list);
 	g_free (inner_auth);
 	g_free (fast_provisioning);
 	g_free (real_pac_path);
@@ -3204,22 +3240,21 @@ read_8021x_list_value (shvarFile *ifcfg,
                        NMSetting8021x *setting,
                        const char *prop_name)
 {
-	char *value;
-	char **strv;
+	gs_free char *value = NULL;
+	gs_free const char **strv = NULL;
+	const char *v;
 
 	g_return_if_fail (ifcfg != NULL);
 	g_return_if_fail (ifcfg_var_name != NULL);
 	g_return_if_fail (prop_name != NULL);
 
-	value = svGetValueStr_cp (ifcfg, ifcfg_var_name);
-	if (!value)
+	v = svGetValueStr (ifcfg, ifcfg_var_name, &value);
+	if (!v)
 		return;
 
-	strv = g_strsplit_set (value, " \t", 0);
-	if (strv && strv[0])
+	strv = nm_utils_strsplit_set (v, " \t");
+	if (strv)
 		g_object_set (setting, prop_name, strv, NULL);
-	g_strfreev (strv);
-	g_free (value);
 }
 
 static NMSetting8021x *
@@ -3230,21 +3265,23 @@ fill_8021x (shvarFile *ifcfg,
             GError **error)
 {
 	nm_auto_shvar_file_close shvarFile *keys = NULL;
-	NMSetting8021x *s_8021x;
-	char *value;
-	char **list = NULL, **iter;
+	gs_unref_object NMSetting8021x *s_8021x = NULL;
+	gs_free char *value = NULL;
+	const char *v;
+	gs_free const char **list = NULL;
+	const char *const *iter;
 	gint64 timeout;
+	int i_val;
 
-	value = svGetValueStr_cp (ifcfg, "IEEE_8021X_EAP_METHODS");
-	if (!value) {
+	v = svGetValueStr (ifcfg, "IEEE_8021X_EAP_METHODS", &value);
+	if (!v) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		             "Missing IEEE_8021X_EAP_METHODS for key management '%s'",
 		             key_mgmt);
 		return NULL;
 	}
 
-	list = g_strsplit (value, " ", 0);
-	g_free (value);
+	list = nm_utils_strsplit_set (v, " ");
 
 	s_8021x = (NMSetting8021x *) nm_setting_802_1x_new ();
 
@@ -3255,7 +3292,7 @@ fill_8021x (shvarFile *ifcfg,
 	for (iter = list; iter && *iter; iter++) {
 		EAPReader *eap = &eap_readers[0];
 		gboolean found = FALSE;
-		char *lower = NULL;
+		gs_free char *lower = NULL;
 
 		lower = g_ascii_strdown (*iter, -1);
 		while (eap->method) {
@@ -3273,10 +3310,9 @@ fill_8021x (shvarFile *ifcfg,
 			}
 
 			/* Parse EAP method specific options */
-			if (!(*eap->reader)(lower, ifcfg, keys, s_8021x, FALSE, error)) {
-				g_free (lower);
-				goto error;
-			}
+			if (!(*eap->reader)(lower, ifcfg, keys, s_8021x, FALSE, error))
+				return NULL;
+
 			nm_setting_802_1x_add_eap_method (s_8021x, lower);
 			found = TRUE;
 			break;
@@ -3287,65 +3323,46 @@ next:
 
 		if (!found)
 			PARSE_WARNING ("ignored unknown IEEE_8021X_EAP_METHOD '%s'.", lower);
-		g_free (lower);
 	}
 
 	if (nm_setting_802_1x_get_num_eap_methods (s_8021x) == 0) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		             "No valid EAP methods found in IEEE_8021X_EAP_METHODS.");
-		goto error;
+		return NULL;
 	}
 
-	value = svGetValueStr_cp (ifcfg, "IEEE_8021X_SUBJECT_MATCH");
-	g_object_set (s_8021x, NM_SETTING_802_1X_SUBJECT_MATCH, value, NULL);
-	g_free (value);
-
-	value = svGetValueStr_cp (ifcfg, "IEEE_8021X_PHASE2_SUBJECT_MATCH");
-	g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_SUBJECT_MATCH, value, NULL);
-	g_free (value);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_SUBJECT_MATCH", &value);
+	g_object_set (s_8021x, NM_SETTING_802_1X_SUBJECT_MATCH, v, NULL);
 
-	value = svGetValueStr_cp (ifcfg, "IEEE_8021X_PHASE1_AUTH_FLAGS");
-	if (value) {
-		NMSetting8021xAuthFlags flags;
-		char *token;
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_PHASE2_SUBJECT_MATCH", &value);
+	g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_SUBJECT_MATCH, v, NULL);
 
-		if (nm_utils_enum_from_str (nm_setting_802_1x_auth_flags_get_type (), value,
-		                            (int *) &flags, &token)) {
-			g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_AUTH_FLAGS, flags, NULL);
-		} else {
-			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Invalid IEEE_8021X_PHASE1_AUTH_FLAGS flag '%s'", token);
-			g_free (token);
-			g_free (value);
-			goto error;
-		}
-		g_free (value);
-	}
+	i_val = NM_SETTING_802_1X_AUTH_FLAGS_NONE;
+	if (!svGetValueEnum (ifcfg, "IEEE_8021X_PHASE1_AUTH_FLAGS",
+	                     nm_setting_802_1x_auth_flags_get_type (),
+	                     &i_val, error))
+		return NULL;
+	g_object_set (s_8021x, NM_SETTING_802_1X_PHASE1_AUTH_FLAGS, (guint) i_val, NULL);
 
 	read_8021x_list_value (ifcfg, "IEEE_8021X_ALTSUBJECT_MATCHES",
 	                       s_8021x, NM_SETTING_802_1X_ALTSUBJECT_MATCHES);
 	read_8021x_list_value (ifcfg, "IEEE_8021X_PHASE2_ALTSUBJECT_MATCHES",
 	                       s_8021x, NM_SETTING_802_1X_PHASE2_ALTSUBJECT_MATCHES);
 
-	value = svGetValueStr_cp (ifcfg, "IEEE_8021X_DOMAIN_SUFFIX_MATCH");
-	g_object_set (s_8021x, NM_SETTING_802_1X_DOMAIN_SUFFIX_MATCH, value, NULL);
-	g_free (value);
-	value = svGetValueStr_cp (ifcfg, "IEEE_8021X_PHASE2_DOMAIN_SUFFIX_MATCH");
-	g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_DOMAIN_SUFFIX_MATCH, value, NULL);
-	g_free (value);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_DOMAIN_SUFFIX_MATCH", &value);
+	g_object_set (s_8021x, NM_SETTING_802_1X_DOMAIN_SUFFIX_MATCH, v, NULL);
 
-	timeout = svGetValueInt64 (ifcfg, "IEEE_8021X_AUTH_TIMEOUT", 10, 0, G_MAXINT32, 0);
-	g_object_set (s_8021x, NM_SETTING_802_1X_AUTH_TIMEOUT, (gint32) timeout, NULL);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "IEEE_8021X_PHASE2_DOMAIN_SUFFIX_MATCH", &value);
+	g_object_set (s_8021x, NM_SETTING_802_1X_PHASE2_DOMAIN_SUFFIX_MATCH, v, NULL);
 
-	if (list)
-		g_strfreev (list);
-	return s_8021x;
+	timeout = svGetValueInt64 (ifcfg, "IEEE_8021X_AUTH_TIMEOUT", 10, 0, G_MAXINT32, 0);
+	g_object_set (s_8021x, NM_SETTING_802_1X_AUTH_TIMEOUT, (gint) timeout, NULL);
 
-error:
-	if (list)
-		g_strfreev (list);
-	g_object_unref (s_8021x);
-	return NULL;
+	return g_steal_pointer (&s_8021x);
 }
 
 static NMSetting *
@@ -3356,18 +3373,31 @@ make_wpa_setting (shvarFile *ifcfg,
                   NMSetting8021x **s_8021x,
                   GError **error)
 {
-	NMSettingWirelessSecurity *wsec;
-	char *value, *psk, *lower;
+	gs_unref_object NMSettingWirelessSecurity *wsec = NULL;
+	gs_free char *value = NULL;
+	const char *v;
 	gboolean wpa_psk = FALSE, wpa_eap = FALSE, ieee8021x = FALSE;
+	int i_val;
+	GError *local = NULL;
 
 	wsec = NM_SETTING_WIRELESS_SECURITY (nm_setting_wireless_security_new ());
 
-	value = svGetValueStr_cp (ifcfg, "KEY_MGMT");
-	wpa_psk = !g_strcmp0 (value, "WPA-PSK");
-	wpa_eap = !g_strcmp0 (value, "WPA-EAP");
-	ieee8021x = !g_strcmp0 (value, "IEEE8021X");
+	v = svGetValueStr (ifcfg, "KEY_MGMT", &value);
+	wpa_psk = nm_streq0 (v, "WPA-PSK");
+	wpa_eap = nm_streq0 (v, "WPA-EAP");
+	ieee8021x = nm_streq0 (v, "IEEE8021X");
 	if (!wpa_psk && !wpa_eap && !ieee8021x)
-		goto error; /* Not WPA or Dynamic WEP */
+		return NULL; /* Not WPA or Dynamic WEP */
+
+	/* WPS */
+	i_val = NM_SETTING_WIRELESS_SECURITY_WPS_METHOD_DEFAULT;
+	if (!svGetValueEnum (ifcfg, "WPS_METHOD",
+	                     nm_setting_wireless_security_wps_method_get_type (),
+	                     &i_val, error))
+		return NULL;
+	g_object_set (wsec,
+	              NM_SETTING_WIRELESS_SECURITY_WPS_METHOD, (guint) i_val,
+	              NULL);
 
 	/* Pairwise and Group ciphers (only relevant for WPA/RSN) */
 	if (wpa_psk || wpa_eap) {
@@ -3380,18 +3410,17 @@ make_wpa_setting (shvarFile *ifcfg,
 		/* Ad-Hoc mode only supports WPA proto for now */
 		nm_setting_wireless_security_add_proto (wsec, "wpa");
 	} else {
-		char *allow_wpa, *allow_rsn;
+		gs_free char *value2 = NULL;
+		const char *v2;
 
-		allow_wpa = svGetValueStr_cp (ifcfg, "WPA_ALLOW_WPA");
-		allow_rsn = svGetValueStr_cp (ifcfg, "WPA_ALLOW_WPA2");
-
-		if (allow_wpa && svGetValueBoolean (ifcfg, "WPA_ALLOW_WPA", TRUE))
+		v2 = svGetValueStr (ifcfg, "WPA_ALLOW_WPA", &value2);
+		if (v2 && svParseBoolean (v2, TRUE))
 			nm_setting_wireless_security_add_proto (wsec, "wpa");
-		if (allow_rsn && svGetValueBoolean (ifcfg, "WPA_ALLOW_WPA2", TRUE))
-			nm_setting_wireless_security_add_proto (wsec, "rsn");
 
-		g_free (allow_wpa);
-		g_free (allow_rsn);
+		nm_clear_g_free (&value2);
+		v2 = svGetValueStr (ifcfg, "WPA_ALLOW_WPA2", &value2);
+		if (v2 && svParseBoolean (v2, TRUE))
+			nm_setting_wireless_security_add_proto (wsec, "rsn");
 	}
 
 	if (wpa_psk) {
@@ -3402,12 +3431,15 @@ make_wpa_setting (shvarFile *ifcfg,
 
 		/* Read PSK if it's system-owned */
 		if (psk_flags == NM_SETTING_SECRET_FLAG_NONE) {
-			psk = parse_wpa_psk (ifcfg, file, ssid, error);
-			if (psk) {
+			gs_free char *psk = NULL;
+
+			psk = parse_wpa_psk (ifcfg, file, ssid, &local);
+			if (psk)
 				g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_PSK, psk, NULL);
-				g_free (psk);
-			} else if (error)
-				goto error;
+			else if (local) {
+				g_propagate_error (error, local);
+				return NULL;
+			}
 		}
 
 		if (adhoc)
@@ -3418,37 +3450,38 @@ make_wpa_setting (shvarFile *ifcfg,
 		/* Adhoc mode is mutually exclusive with any 802.1x-based authentication */
 		if (adhoc) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Ad-Hoc mode cannot be used with KEY_MGMT type '%s'", value);
-			goto error;
+			             "Ad-Hoc mode cannot be used with KEY_MGMT type '%s'", v);
+			return NULL;
 		}
 
-		*s_8021x = fill_8021x (ifcfg, file, value, TRUE, error);
+		*s_8021x = fill_8021x (ifcfg, file, v, TRUE, error);
 		if (!*s_8021x)
-			goto error;
+			return NULL;
 
-		lower = g_ascii_strdown (value, -1);
-		g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, lower, NULL);
-		g_free (lower);
+		{
+			gs_free char *lower = g_ascii_strdown (v, -1);
+
+			g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, lower, NULL);
+		}
 	} else {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-		             "Unknown wireless KEY_MGMT type '%s'", value);
-		goto error;
+		             "Unknown wireless KEY_MGMT type '%s'", v);
+		return NULL;
 	}
 
-	g_free (value);
-
-	value = svGetValueStr_cp (ifcfg, "SECURITYMODE");
-	if (NM_IN_STRSET (value, NULL, "open"))
-		g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_AUTH_ALG, value, NULL);
+	i_val = NM_SETTING_WIRELESS_SECURITY_PMF_DEFAULT;
+	if (!svGetValueEnum (ifcfg, "PMF",
+	                     nm_setting_wireless_security_pmf_get_type (),
+	                     &i_val, error))
+		return NULL;
+	g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_PMF, i_val, NULL);
 
-	g_free (value);
-	return (NMSetting *) wsec;
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "SECURITYMODE", &value);
+	if (NM_IN_STRSET (v, NULL, "open"))
+		g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_AUTH_ALG, v, NULL);
 
-error:
-	g_free (value);
-	if (wsec)
-		g_object_unref (wsec);
-	return NULL;
+	return (NMSetting *) g_steal_pointer (&wsec);
 }
 
 static NMSetting *
@@ -3456,23 +3489,22 @@ make_leap_setting (shvarFile *ifcfg,
                    const char *file,
                    GError **error)
 {
-	NMSettingWirelessSecurity *wsec;
+	gs_unref_object NMSettingWirelessSecurity *wsec = NULL;
 	shvarFile *keys_ifcfg;
-	char *value;
+	gs_free char *value = NULL;
 	NMSettingSecretFlags flags;
 
 	wsec = NM_SETTING_WIRELESS_SECURITY (nm_setting_wireless_security_new ());
 
 	value = svGetValueStr_cp (ifcfg, "KEY_MGMT");
 	if (!value || strcmp (value, "IEEE8021X"))
-		goto error; /* Not LEAP */
+		return NULL;
+	nm_clear_g_free (&value);
 
-	g_free (value);
 	value = svGetValueStr_cp (ifcfg, "SECURITYMODE");
 	if (!value || strcasecmp (value, "leap"))
-		goto error; /* Not LEAP */
-
-	g_free (value);
+		return NULL; /* Not LEAP */
+	nm_clear_g_free (&value);
 
 	flags = read_secret_flags (ifcfg, "IEEE_8021X_PASSWORD_FLAGS");
 	g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_LEAP_PASSWORD_FLAGS, flags, NULL);
@@ -3490,30 +3522,24 @@ make_leap_setting (shvarFile *ifcfg,
 		}
 		if (value && strlen (value))
 			g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_LEAP_PASSWORD, value, NULL);
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
 	value = svGetValueStr_cp (ifcfg, "IEEE_8021X_IDENTITY");
 	if (!value) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		             "Missing LEAP identity");
-		goto error;
+		return NULL;
 	}
 	g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_LEAP_USERNAME, value, NULL);
-	g_free (value);
+	nm_clear_g_free (&value);
 
 	g_object_set (wsec,
 	              NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "ieee8021x",
 	              NM_SETTING_WIRELESS_SECURITY_AUTH_ALG, "leap",
 	              NULL);
 
-	return (NMSetting *) wsec;
-
-error:
-	g_free (value);
-	if (wsec)
-		g_object_unref (wsec);
-	return NULL;
+	return (NMSetting *) g_steal_pointer (&wsec);
 }
 
 static NMSetting *
@@ -3980,39 +4006,29 @@ parse_ethtool_option (const char *value,
                       guint32 *out_speed,
                       const char **out_duplex)
 {
-	gs_strfreev char **words = NULL;
-	const char **iter = NULL, *opt_val, *opt;
+	gs_free const char **words = NULL;
+	const char *const *iter;
+	const char *opt_val, *opt;
 
-	if (!value || !value[0])
+	words = nm_utils_strsplit_set (value, "\t ");
+	if (!words)
 		return;
 
-	words = g_strsplit_set (value, "\t ", 0);
-	iter = (const char **) words;
+	iter = words;
 
 	while (iter[0]) {
-		/* g_strsplit_set() returns empty tokens when extra spaces are found: skip them */
-		if (!*iter[0]) {
-			iter++;
-			continue;
-		}
-
 		opt = iter++[0];
-
-		/* skip over repeated space characters like to parse "wol     d". */
-		while (iter[0] && !*iter[0])
-			iter++;
-
 		opt_val = iter[0];
 
-		if (g_str_equal (opt, "autoneg"))
+		if (nm_streq (opt, "autoneg"))
 			parse_ethtool_option_autoneg (opt_val, out_autoneg);
-		else if (g_str_equal (opt, "speed"))
+		else if (nm_streq (opt, "speed"))
 			parse_ethtool_option_speed (opt_val, out_speed);
-		else if (g_str_equal (opt, "duplex"))
+		else if (nm_streq (opt, "duplex"))
 			parse_ethtool_option_duplex (opt_val, out_duplex);
-		else if (g_str_equal (opt, "wol"))
+		else if (nm_streq (opt, "wol"))
 			parse_ethtool_option_wol (opt_val, out_flags);
-		else if (g_str_equal (opt, "sopass"))
+		else if (nm_streq (opt, "sopass"))
 			parse_ethtool_option_sopass (opt_val, out_password);
 		else {
 			/* Silently skip unknown options */
@@ -4034,15 +4050,15 @@ parse_ethtool_options (shvarFile *ifcfg, NMSettingWired *s_wired, const char *va
 	const char *duplex = NULL;
 
 	if (value) {
-		gs_strfreev char **opts = NULL;
-		const char **iter;
+		gs_free const char **opts = NULL;
+		const char *const *iter;
 
 		/* WAKE_ON_LAN_IGNORE is inferred from a specified but empty ETHTOOL_OPTS */
 		if (!value[0])
 			wol_flags = NM_SETTING_WIRED_WAKE_ON_LAN_IGNORE;
 
-		opts = g_strsplit_set (value, ";", 0);
-		for (iter = (const char **) opts; iter[0]; iter++) {
+		opts = nm_utils_strsplit_set (value, ";");
+		for (iter = opts; iter && iter[0]; iter++) {
 			/* in case of repeated wol_passwords, parse_ethtool_option()
 			 * will do the right thing and clear wol_password before resetting. */
 			parse_ethtool_option (iter[0], &wol_flags, &wol_password, &autoneg, &speed, &duplex);
@@ -4079,8 +4095,8 @@ make_wired_setting (shvarFile *ifcfg,
                     NMSetting8021x **s_8021x,
                     GError **error)
 {
-	NMSettingWired *s_wired;
-	char *value = NULL;
+	gs_unref_object NMSettingWired *s_wired = NULL;
+	gs_free char *value = NULL;
 	char *nettype;
 
 	s_wired = NM_SETTING_WIRED (nm_setting_wired_new ());
@@ -4094,21 +4110,20 @@ make_wired_setting (shvarFile *ifcfg,
 			g_object_set (s_wired, NM_SETTING_WIRED_MTU, (guint) mtu, NULL);
 		else
 			PARSE_WARNING ("invalid MTU '%s'", value);
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
 	value = svGetValueStr_cp (ifcfg, "HWADDR");
 	if (value) {
 		value = g_strstrip (value);
 		g_object_set (s_wired, NM_SETTING_WIRED_MAC_ADDRESS, value, NULL);
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
 	value = svGetValueStr_cp (ifcfg, "SUBCHANNELS");
 	if (value) {
 		const char *p = value;
 		gboolean success = TRUE;
-		char **chans = NULL;
 
 		/* basic sanity checks */
 		while (*p) {
@@ -4121,30 +4136,30 @@ make_wired_setting (shvarFile *ifcfg,
 		}
 
 		if (success) {
+			gs_free const char **chans = NULL;
 			guint32 num_chans;
 
-			chans = g_strsplit_set (value, ",", 0);
-			num_chans = g_strv_length (chans);
+			chans = nm_utils_strsplit_set (value, ",");
+			num_chans = NM_PTRARRAY_LEN (chans);
 			if (num_chans < 2 || num_chans > 3) {
-				PARSE_WARNING ("invalid SUBCHANNELS '%s' (%d channels, 2 or 3 expected)",
-				               value, g_strv_length (chans));
+				PARSE_WARNING ("invalid SUBCHANNELS '%s' (%u channels, 2 or 3 expected)",
+				               value, (unsigned) NM_PTRARRAY_LEN (chans));
 			} else
 				g_object_set (s_wired, NM_SETTING_WIRED_S390_SUBCHANNELS, chans, NULL);
-			g_strfreev (chans);
 		}
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
 	value = svGetValueStr_cp (ifcfg, "PORTNAME");
 	if (value) {
 		nm_setting_wired_add_s390_option (s_wired, "portname", value);
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
 	value = svGetValueStr_cp (ifcfg, "CTCPROT");
 	if (value) {
 		nm_setting_wired_add_s390_option (s_wired, "ctcprot", value);
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
 	nettype = svGetValueStr_cp (ifcfg, "NETTYPE");
@@ -4174,28 +4189,28 @@ make_wired_setting (shvarFile *ifcfg,
 			iter++;
 		}
 		g_strfreev (options);
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
-	value = svGetValueStr_cp (ifcfg, "MACADDR");
-	if (value) {
-		value = g_strstrip (value);
-		g_object_set (s_wired, NM_SETTING_WIRED_CLONED_MAC_ADDRESS, value, NULL);
-		g_free (value);
-	}
+	g_object_set (s_wired,
+	              NM_SETTING_WIRED_CLONED_MAC_ADDRESS,
+	              svGetValueStr (ifcfg, "MACADDR", &value),
+	              NULL);
+	nm_clear_g_free (&value);
 
-	value = svGetValueStr_cp (ifcfg, "GENERATE_MAC_ADDRESS_MASK");
-	g_object_set (s_wired, NM_SETTING_WIRED_GENERATE_MAC_ADDRESS_MASK, value, NULL);
-	g_free (value);
+	g_object_set (s_wired,
+	              NM_SETTING_WIRED_GENERATE_MAC_ADDRESS_MASK,
+	              svGetValueStr (ifcfg, "GENERATE_MAC_ADDRESS_MASK", &value),
+	              NULL);
+	nm_clear_g_free (&value);
 
 	value = svGetValueStr_cp (ifcfg, "HWADDR_BLACKLIST");
 	if (value) {
-		char **strv;
+		gs_strfreev char **strv = NULL;
 
 		strv = transform_hwaddr_blacklist (value);
 		g_object_set (s_wired, NM_SETTING_WIRED_MAC_ADDRESS_BLACKLIST, strv, NULL);
-		g_strfreev (strv);
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
 	value = svGetValueStr_cp (ifcfg, "KEY_MGMT");
@@ -4203,25 +4218,20 @@ make_wired_setting (shvarFile *ifcfg,
 		if (!strcmp (value, "IEEE8021X")) {
 			*s_8021x = fill_8021x (ifcfg, file, value, FALSE, error);
 			if (!*s_8021x)
-				goto error;
+				return NULL;
 		} else {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			             "Unknown wired KEY_MGMT type '%s'", value);
-			goto error;
+			return NULL;
 		}
-		g_free (value);
+		nm_clear_g_free (&value);
 	}
 
 	parse_ethtool_options (ifcfg, s_wired,
 	                       svGetValue (ifcfg, "ETHTOOL_OPTS", &value));
-	g_free (value);
-
-	return (NMSetting *) s_wired;
+	nm_clear_g_free (&value);
 
-error:
-	g_free (value);
-	g_object_unref (s_wired);
-	return NULL;
+	return (NMSetting *) g_steal_pointer (&s_wired);
 }
 
 static NMConnection *
@@ -4246,7 +4256,6 @@ wired_connection_from_ifcfg (const char *file,
 		g_object_unref (connection);
 		return NULL;
 	}
-	check_if_slave (ifcfg, (NMSettingConnection *) con_setting);
 	nm_connection_add_setting (connection, con_setting);
 
 	wired_setting = make_wired_setting (ifcfg, file, &s_8021x, error);
@@ -4396,7 +4405,6 @@ infiniband_connection_from_ifcfg (const char *file,
 		g_object_unref (connection);
 		return NULL;
 	}
-	check_if_slave (ifcfg, (NMSettingConnection *) con_setting);
 	nm_connection_add_setting (connection, con_setting);
 
 	infiniband_setting = make_infiniband_setting (ifcfg, file, error);
@@ -4441,40 +4449,37 @@ make_bond_setting (shvarFile *ifcfg,
                    GError **error)
 {
 	NMSettingBond *s_bond;
-	char *value;
+	gs_free char *value = NULL;
+	const char *v;
 
-	value = svGetValueStr_cp (ifcfg, "DEVICE");
-	if (!value) {
+	v = svGetValueStr (ifcfg, "DEVICE", &value);
+	if (!v) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		             "mandatory DEVICE keyword missing");
 		return NULL;
 	}
-	g_free (value);
 
 	s_bond = NM_SETTING_BOND (nm_setting_bond_new ());
 
-	value = svGetValueStr_cp (ifcfg, "BONDING_OPTS");
-	if (value) {
-		char **items, **iter;
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "BONDING_OPTS", &value);
+	if (v) {
+		gs_free const char **items = NULL;
+		const char *const *iter;
 
-		items = g_strsplit_set (value, " ", -1);
+		items = nm_utils_strsplit_set (v, " ");
 		for (iter = items; iter && *iter; iter++) {
-			if (strlen (*iter)) {
-				char **keys, *key, *val;
-
-				keys = g_strsplit_set (*iter, "=", 2);
-				if (keys && *keys) {
-					key = *keys;
-					val = *(keys + 1);
-					if (val && key[0] && val[0])
-						handle_bond_option (s_bond, key, val);
-				}
+			gs_strfreev char **keys = NULL;
+			const char *key, *val;
 
-				g_strfreev (keys);
+			keys = g_strsplit_set (*iter, "=", 2);
+			if (keys && *keys) {
+				key = *keys;
+				val = *(keys + 1);
+				if (val && key[0] && val[0])
+					handle_bond_option (s_bond, key, val);
 			}
 		}
-		g_free (value);
-		g_strfreev (items);
 	}
 
 	return (NMSetting *) s_bond;
@@ -4673,6 +4678,12 @@ handle_bridge_option (NMSetting *setting,
 			              (gboolean) u, NULL);
 		else
 			PARSE_WARNING ("invalid multicast_snooping value '%s'", value);
+	} else if (!strcmp (key, "group_fwd_mask")) {
+		if (get_uint (value, &u) && u <= 0xFFFF && !NM_FLAGS_ANY (u, 7))
+			g_object_set (setting, NM_SETTING_BRIDGE_GROUP_FORWARD_MASK,
+			              (gboolean) u, NULL);
+		else
+			PARSE_WARNING ("invalid group_fwd_mask value '%s'", value);
 	} else
 			PARSE_WARNING ("unhandled bridge option '%s'", key);
 }
@@ -4683,25 +4694,22 @@ handle_bridging_opts (NMSetting *setting,
                       const char *value,
                       BridgeOptFunc func)
 {
-	char **items, **iter;
+	gs_free const char **items = NULL;
+	const char *const *iter;
 
-	items = g_strsplit_set (value, " ", -1);
+	items = nm_utils_strsplit_set (value, " ");
 	for (iter = items; iter && *iter; iter++) {
-		if (strlen (*iter)) {
-			char **keys, *key, *val;
-
-			keys = g_strsplit_set (*iter, "=", 2);
-			if (keys && *keys) {
-				key = *keys;
-				val = *(keys + 1);
-				if (val && strlen (key) && strlen (val))
-					func (setting, stp, key, val);
-			}
-
-			g_strfreev (keys);
+		gs_strfreev char **keys = NULL;
+		const char *key, *val;
+
+		keys = g_strsplit_set (*iter, "=", 2);
+		if (keys && *keys) {
+			key = *keys;
+			val = *(keys + 1);
+			if (val && key[0] && val[0])
+				func (setting, stp, key, val);
 		}
 	}
-	g_strfreev (items);
 }
 
 static NMSetting *
@@ -4923,24 +4931,22 @@ parse_prio_map_list (NMSettingVlan *s_vlan,
                      const char *key,
                      NMVlanPriorityMap map)
 {
-	char *value;
-	gchar **list = NULL, **iter;
+	gs_free char *value = NULL;
+	gs_free const char **list = NULL;
+	const char *const *iter;
+	const char *v;
 
-	value = svGetValueStr_cp (ifcfg, key);
-	if (!value)
+	v = svGetValueStr (ifcfg, key, &value);
+	if (!v)
 		return;
-
-	list = g_strsplit_set (value, ",", -1);
-	g_free (value);
+	list = nm_utils_strsplit_set (v, ",");
 
 	for (iter = list; iter && *iter; iter++) {
-		if (!*iter || !strchr (*iter, ':'))
+		if (!strchr (*iter, ':'))
 			continue;
-
 		if (!nm_setting_vlan_add_priority_str (s_vlan, map, *iter))
 			PARSE_WARNING ("invalid %s priority map item '%s'", key, *iter);
 	}
-	g_strfreev (list);
 }
 
 static NMSetting *
@@ -4951,22 +4957,20 @@ make_vlan_setting (shvarFile *ifcfg,
 	gs_unref_object NMSettingVlan *s_vlan = NULL;
 	gs_free char *parent = NULL;
 	gs_free char *iface_name = NULL;
-	char *value = NULL;
-	const char *p = NULL;
+	gs_free char *value = NULL;
+	const char *v = NULL;
 	int vlan_id = -1;
 	guint32 vlan_flags = 0;
 	gint gvrp, reorder_hdr;
 
-	value = svGetValueStr_cp (ifcfg, "VLAN_ID");
-	if (value) {
-		vlan_id = _nm_utils_ascii_str_to_int64 (value, 10, 0, 4095, -1);
+	v = svGetValueStr (ifcfg, "VLAN_ID", &value);
+	if (v) {
+		vlan_id = _nm_utils_ascii_str_to_int64 (v, 10, 0, 4095, -1);
 		if (vlan_id == -1) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-			             "Invalid VLAN_ID '%s'", value);
-			g_free (value);
+			             "Invalid VLAN_ID '%s'", v);
 			return NULL;
 		}
-		g_free (value);
 	}
 
 	/* Need DEVICE if we don't have a separate VLAN_ID property */
@@ -4983,11 +4987,11 @@ make_vlan_setting (shvarFile *ifcfg,
 	parent = svGetValueStr_cp (ifcfg, "PHYSDEV");
 
 	if (iface_name) {
-		p = strchr (iface_name, '.');
-		if (p) {
+		v = strchr (iface_name, '.');
+		if (v) {
 			/* eth0.43; PHYSDEV is assumed from it if unknown */
 			if (!parent) {
-				parent = g_strndup (iface_name, p - iface_name);
+				parent = g_strndup (iface_name, v - iface_name);
 				if (g_str_has_prefix (parent, "vlan")) {
 					/* Like initscripts, if no PHYSDEV and we get an obviously
 					 * invalid parent interface from DEVICE, fail.
@@ -4995,20 +4999,20 @@ make_vlan_setting (shvarFile *ifcfg,
 					nm_clear_g_free (&parent);
 				}
 			}
-			p++;
+			v++;
 		} else {
 			/* format like vlan43; PHYSDEV must be set */
 			if (g_str_has_prefix (iface_name, "vlan"))
-				p = iface_name + 4;
+				v = iface_name + 4;
 		}
 
-		if (p) {
+		if (v) {
 			int device_vlan_id;
 
 			/* Grab VLAN ID from interface name; this takes precedence over the
 			 * separate VLAN_ID property for backwards compat.
 			 */
-			device_vlan_id = _nm_utils_ascii_str_to_int64 (p, 10, 0, 4095, -1);
+			device_vlan_id = _nm_utils_ascii_str_to_int64 (v, 10, 0, 4095, -1);
 			if (device_vlan_id != -1)
 				vlan_id = device_vlan_id;
 		}
@@ -5034,13 +5038,13 @@ make_vlan_setting (shvarFile *ifcfg,
 	if (gvrp > 0)
 		vlan_flags |= NM_VLAN_FLAG_GVRP;
 
-	value = svGetValueStr_cp (ifcfg, "VLAN_FLAGS");
-	if (value) {
-		gs_strfreev char **strv = NULL;
-		char **ptr;
-
-		strv = g_strsplit_set (value, ", ", 0);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "VLAN_FLAGS", &value);
+	if (v) {
+		gs_free const char **strv = NULL;
+		const char *const *ptr;
 
+		strv = nm_utils_strsplit_set (v, ", ");
 		for (ptr = strv; ptr && *ptr; ptr++) {
 			if (nm_streq (*ptr, "GVRP") && gvrp == -1)
 				vlan_flags |= NM_VLAN_FLAG_GVRP;
@@ -5060,7 +5064,6 @@ make_vlan_setting (shvarFile *ifcfg,
 		vlan_flags |= NM_VLAN_FLAG_MVRP;
 
 	g_object_set (s_vlan, NM_SETTING_VLAN_FLAGS, vlan_flags, NULL);
-	g_free (value);
 
 	parse_prio_map_list (s_vlan, ifcfg, "VLAN_INGRESS_PRIORITY_MAP", NM_VLAN_INGRESS_MAP);
 	parse_prio_map_list (s_vlan, ifcfg, "VLAN_EGRESS_PRIORITY_MAP", NM_VLAN_EGRESS_MAP);
@@ -5091,7 +5094,6 @@ vlan_connection_from_ifcfg (const char *file,
 		g_object_unref (connection);
 		return NULL;
 	}
-	check_if_slave (ifcfg, (NMSettingConnection *) con_setting);
 	nm_connection_add_setting (connection, con_setting);
 
 	vlan_setting = make_vlan_setting (ifcfg, file, error);
@@ -5120,7 +5122,8 @@ create_unhandled_connection (const char *filename, shvarFile *ifcfg,
 {
 	NMConnection *connection;
 	NMSetting *s_con;
-	char *value;
+	gs_free char *value = NULL;
+	const char *v;
 
 	nm_assert (out_spec && !*out_spec);
 
@@ -5137,26 +5140,25 @@ create_unhandled_connection (const char *filename, shvarFile *ifcfg,
 	nm_connection_add_setting (connection, nm_setting_generic_new ());
 
 	/* Get a spec */
-	value = svGetValueStr_cp (ifcfg, "HWADDR");
-	if (value) {
-		char *lower = g_ascii_strdown (value, -1);
+	v = svGetValueStr (ifcfg, "HWADDR", &value);
+	if (v) {
+		gs_free char *lower = g_ascii_strdown (v, -1);
+
 		*out_spec = g_strdup_printf ("%s:mac:%s", type, lower);
-		g_free (lower);
-		g_free (value);
 		return connection;
 	}
 
-	value = svGetValueStr_cp (ifcfg, "SUBCHANNELS");
-	if (value) {
-		*out_spec = g_strdup_printf ("%s:s390-subchannels:%s", type, value);
-		g_free (value);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "SUBCHANNELS", &value);
+	if (v) {
+		*out_spec = g_strdup_printf ("%s:s390-subchannels:%s", type, v);
 		return connection;
 	}
 
-	value = svGetValueStr_cp (ifcfg, "DEVICE");
-	if (value) {
-		*out_spec = g_strdup_printf ("%s:interface-name:%s", type, value);
-		g_free (value);
+	nm_clear_g_free (&value);
+	v = svGetValueStr (ifcfg, "DEVICE", &value);
+	if (v) {
+		*out_spec = g_strdup_printf ("%s:interface-name:%s", type, v);
 		return connection;
 	}
 
@@ -5164,32 +5166,6 @@ create_unhandled_connection (const char *filename, shvarFile *ifcfg,
 	return NULL;
 }
 
-char *
-uuid_from_file (const char *filename)
-{
-	const char *ifcfg_name = NULL;
-	shvarFile *ifcfg;
-	char *uuid;
-
-	g_return_val_if_fail (filename != NULL, NULL);
-
-	ifcfg_name = utils_get_ifcfg_name (filename, TRUE);
-	if (!ifcfg_name)
-		return NULL;
-
-	ifcfg = svOpenFile (filename, NULL);
-	if (!ifcfg)
-		return NULL;
-
-	/* Try for a UUID key before falling back to hashing the file name */
-	uuid = svGetValueStr_cp (ifcfg, "UUID");
-	if (!uuid)
-		uuid = nm_utils_uuid_generate_from_string (svFileGetName (ifcfg), -1, NM_UTILS_UUID_TYPE_LEGACY, NULL);
-
-	svCloseFile (ifcfg);
-	return uuid;
-}
-
 static void
 check_dns_search_domains (shvarFile *ifcfg, NMSetting *s_ip4, NMSetting *s_ip6)
 {
@@ -5199,23 +5175,24 @@ check_dns_search_domains (shvarFile *ifcfg, NMSetting *s_ip4, NMSetting *s_ip6)
 	/* If there is no IPv4 config or it doesn't contain DNS searches,
 	 * read DOMAIN and put the domains into IPv6.
 	 */
-	if (!s_ip4 || nm_setting_ip_config_get_num_dns_searches (NM_SETTING_IP_CONFIG (s_ip4)) == 0) {
+	if (   !s_ip4
+	    || nm_setting_ip_config_get_num_dns_searches (NM_SETTING_IP_CONFIG (s_ip4)) == 0) {
 		/* DNS searches */
-		char *value = svGetValueStr_cp (ifcfg, "DOMAIN");
+		gs_free char *value = NULL;
+		const char *v;
 
-		if (value) {
-			char **searches = g_strsplit (value, " ", 0);
+		v = svGetValueStr (ifcfg, "DOMAIN", &value);
+		if (v) {
+			gs_free const char **searches = NULL;
+			const char *const *item;
+
+			searches = nm_utils_strsplit_set (v, " ");
 			if (searches) {
-				char **item;
 				for (item = searches; *item; item++) {
-					if (strlen (*item)) {
-						if (!nm_setting_ip_config_add_dns_search (NM_SETTING_IP_CONFIG (s_ip6), *item))
-							PARSE_WARNING ("duplicate DNS domain '%s'", *item);
-					}
+					if (!nm_setting_ip_config_add_dns_search (NM_SETTING_IP_CONFIG (s_ip6), *item))
+						PARSE_WARNING ("duplicate DNS domain '%s'", *item);
 				}
-				g_strfreev (searches);
 			}
-			g_free (value);
 		}
 	}
 }
@@ -5235,6 +5212,8 @@ connection_from_file_full (const char *filename,
 	NMSetting *s_ip4, *s_ip6, *s_proxy, *s_port, *s_dcb = NULL, *s_user;
 	const char *ifcfg_name = NULL;
 	gboolean has_ip4_defroute = FALSE;
+	gboolean has_complex_routes_v4;
+	gboolean has_complex_routes_v6;
 
 	g_return_val_if_fail (filename != NULL, NULL);
 	g_return_val_if_fail (out_unhandled && !*out_unhandled, NULL);
@@ -5446,13 +5425,32 @@ connection_from_file_full (const char *filename,
 	if (!connection)
 		return NULL;
 
-	s_ip6 = make_ip6_setting (parsed, network_file, error);
+	has_complex_routes_v4 = utils_has_complex_routes (filename, AF_INET);
+	has_complex_routes_v6 = utils_has_complex_routes (filename, AF_INET6);
+
+	if (has_complex_routes_v4 || has_complex_routes_v6) {
+		if (has_complex_routes_v4 && !has_complex_routes_v6)
+			PARSE_WARNING ("'rule-' file is present; you will need to use a dispatcher script to apply these routes");
+		else if (has_complex_routes_v6 && !has_complex_routes_v4)
+			PARSE_WARNING ("'rule6-' file is present; you will need to use a dispatcher script to apply these routes");
+		else
+			PARSE_WARNING ("'rule-' and 'rule6-' files are present; you will need to use a dispatcher script to apply these routes");
+	}
+
+	s_ip6 = make_ip6_setting (parsed,
+	                          network_file,
+	                          !has_complex_routes_v4 && !has_complex_routes_v6,
+	                          error);
 	if (!s_ip6)
 		return NULL;
 	else
 		nm_connection_add_setting (connection, s_ip6);
 
-	s_ip4 = make_ip4_setting (parsed, network_file, &has_ip4_defroute, error);
+	s_ip4 = make_ip4_setting (parsed,
+	                          network_file,
+	                          !has_complex_routes_v4 && !has_complex_routes_v6,
+	                          &has_ip4_defroute,
+	                          error);
 	if (!s_ip4)
 		return NULL;
 	else {
@@ -5510,11 +5508,11 @@ connection_from_file (const char *filename,
 }
 
 NMConnection *
-connection_from_file_test (const char *filename,
-                           const char *network_file,
-                           const char *test_type,
-                           char **out_unhandled,
-                           GError **error)
+nmtst_connection_from_file (const char *filename,
+                            const char *network_file,
+                            const char *test_type,
+                            char **out_unhandled,
+                            GError **error)
 {
 	return connection_from_file_full (filename,
 	                                  network_file,
@@ -5528,7 +5526,6 @@ guint
 devtimeout_from_file (const char *filename)
 {
 	shvarFile *ifcfg;
-	char *devtimeout_str;
 	guint devtimeout;
 
 	g_return_val_if_fail (filename != NULL, 0);
@@ -5537,14 +5534,7 @@ devtimeout_from_file (const char *filename)
 	if (!ifcfg)
 		return 0;
 
-	devtimeout_str = svGetValueStr_cp (ifcfg, "DEVTIMEOUT");
-	if (devtimeout_str) {
-		devtimeout = _nm_utils_ascii_str_to_int64 (devtimeout_str, 10, 0, G_MAXUINT, 0);
-		g_free (devtimeout_str);
-	} else
-		devtimeout = 0;
-
+	devtimeout = svGetValueInt64 (ifcfg, "DEVTIMEOUT", 10, 0, G_MAXUINT, 0);
 	svCloseFile (ifcfg);
-
 	return devtimeout;
 }
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.h b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.h
index 35464474..a8937ac8 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.h
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.h
@@ -28,15 +28,12 @@ NMConnection *connection_from_file (const char *filename,
                                     GError **error,
                                     gboolean *out_ignore_error);
 
-char *uuid_from_file (const char *filename);
-
 guint devtimeout_from_file (const char *filename);
 
-/* for test-ifcfg-rh */
-NMConnection *connection_from_file_test (const char *filename,
-                                         const char *network_file,
-                                         const char *test_type,
-                                         char **out_unhandled,
-                                         GError **error);
+NMConnection *nmtst_connection_from_file (const char *filename,
+                                          const char *network_file,
+                                          const char *test_type,
+                                          char **out_unhandled,
+                                          GError **error);
 
 #endif  /* __READER_H__ */
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c
index e82ef60c..6434ad7d 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c
@@ -173,7 +173,7 @@ utils_get_extra_path (const char *parent, const char *tag)
 
 	dirname = g_path_get_dirname (parent);
 	if (!dirname)
-		return NULL;
+		g_return_val_if_reached (NULL);
 
 	name = utils_get_ifcfg_name (parent, FALSE);
 	if (name) {
@@ -280,25 +280,22 @@ gone:
 }
 
 gboolean
-utils_has_complex_routes (const char *filename)
+utils_has_complex_routes (const char *filename, int addr_family)
 {
-	char *rules;
+	g_return_val_if_fail (filename, TRUE);
 
-	g_return_val_if_fail (filename != NULL, TRUE);
+	if (NM_IN_SET (addr_family, AF_UNSPEC, AF_INET)) {
+		gs_free char *rules = utils_get_extra_path (filename, RULE_TAG);
 
-	rules = utils_get_extra_path (filename, RULE_TAG);
-	if (g_file_test (rules, G_FILE_TEST_EXISTS)) {
-		g_free (rules);
-		return TRUE;
+		if (g_file_test (rules, G_FILE_TEST_EXISTS))
+			return TRUE;
 	}
-	g_free (rules);
 
-	rules = utils_get_extra_path (filename, RULE6_TAG);
-	if (g_file_test (rules, G_FILE_TEST_EXISTS)) {
-		g_free (rules);
-		return TRUE;
+	if (NM_IN_SET (addr_family, AF_UNSPEC, AF_INET6)) {
+		gs_free char *rules = utils_get_extra_path (filename, RULE6_TAG);
+		if (g_file_test (rules, G_FILE_TEST_EXISTS))
+			return TRUE;
 	}
-	g_free (rules);
 
 	return FALSE;
 }
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.h b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.h
index 2b2c2755..e7abf4d8 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.h
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.h
@@ -48,7 +48,7 @@ shvarFile *utils_get_route_ifcfg (const char *parent, gboolean should_create);
 shvarFile *utils_get_route6_ifcfg (const char *parent, gboolean should_create);
 
 gboolean utils_has_route_file_new_syntax (const char *filename);
-gboolean utils_has_complex_routes (const char *filename);
+gboolean utils_has_complex_routes (const char *filename, int addr_family);
 
 gboolean utils_is_ifcfg_alias_file (const char *alias, const char *ifcfg);
 
@@ -57,4 +57,28 @@ char *utils_detect_ifcfg_path (const char *path, gboolean only_ifcfg);
 void nms_ifcfg_rh_utils_user_key_encode (const char *key, GString *str_buffer);
 gboolean nms_ifcfg_rh_utils_user_key_decode (const char *name, GString *str_buffer);
 
+static inline const char *
+_nms_ifcfg_rh_utils_numbered_tag (char *buf, gsize buf_len, const char *tag_name, int which)
+{
+	gsize l;
+
+	l = g_strlcpy (buf, tag_name, buf_len);
+	nm_assert (l < buf_len);
+	if (which != -1) {
+		buf_len -= l;
+		l = g_snprintf (&buf[l], buf_len, "%d", which);
+		nm_assert (l < buf_len);
+	}
+	return buf;
+}
+#define numbered_tag(buf, tag_name, which) \
+	({ \
+		_nm_unused char *const _buf = (buf); \
+		\
+		/* some static assert trying to ensure that the buffer is statically allocated.
+		 * It disallows a buffer size of sizeof(gpointer) to catch that. */ \
+		G_STATIC_ASSERT (G_N_ELEMENTS (buf) == sizeof (buf) && sizeof (buf) != sizeof (char *) && sizeof (buf) < G_MAXINT); \
+		_nms_ifcfg_rh_utils_numbered_tag (buf, sizeof (buf), ""tag_name"", (which)); \
+	})
+
 #endif  /* _UTILS_H_ */
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c
index d2b7ff67..d16f46be 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c
@@ -32,6 +32,7 @@
 #include <unistd.h>
 #include <stdio.h>
 
+#include "nm-utils/nm-enum-utils.h"
 #include "nm-manager.h"
 #include "nm-setting-connection.h"
 #include "nm-setting-wired.h"
@@ -48,7 +49,7 @@
 #include "nm-utils.h"
 #include "nm-core-internal.h"
 #include "NetworkManagerUtils.h"
-#include "nm-setting-metadata.h"
+#include "nm-meta-setting.h"
 
 #include "nms-ifcfg-rh-common.h"
 #include "nms-ifcfg-rh-reader.h"
@@ -107,45 +108,75 @@ save_secret_flags (shvarFile *ifcfg,
 
 static void
 set_secret (shvarFile *ifcfg,
+            GHashTable *secrets,
             const char *key,
             const char *value,
             const char *flags_key,
             NMSettingSecretFlags flags)
 {
-	shvarFile *keyfile;
-	GError *error = NULL;
-
 	/* Clear the secret from the ifcfg and the associated "keys" file */
 	svUnsetValue (ifcfg, key);
 
 	/* Save secret flags */
 	save_secret_flags (ifcfg, flags_key, flags);
 
+	/* Only write the secret if it's system owned and supposed to be saved */
+	if (flags != NM_SETTING_SECRET_FLAG_NONE)
+		value = NULL;
+
+	g_hash_table_replace (secrets, g_strdup (key), g_strdup (value));
+}
+
+static gboolean
+write_secrets (shvarFile *ifcfg,
+               GHashTable *secrets,
+               GError **error)
+{
+	nm_auto_shvar_file_close shvarFile *keyfile = NULL;
+	gs_free const char **secrets_keys = NULL;
+	guint i, secrets_keys_n;
+	GError *local = NULL;
+	gboolean any_secrets = FALSE;
+
 	keyfile = utils_get_keys_ifcfg (svFileGetName (ifcfg), TRUE);
 	if (!keyfile) {
-		_LOGW ("could not create ifcfg file for '%s'", svFileGetName (ifcfg));
-		goto error;
+		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+		             "Failure to create secrets file for '%s'", svFileGetName (ifcfg));
+		return FALSE;
 	}
 
-	/* Only write the secret if it's system owned and supposed to be saved */
-	if (flags == NM_SETTING_SECRET_FLAG_NONE)
-		svSetValueStr (keyfile, key, value);
-	else
-		svUnsetValue (keyfile, key);
+	/* we purge all existing secrets. */
+	svUnsetAll (keyfile, SV_KEY_TYPE_ANY);
+
+	/* sort the keys. */
+	secrets_keys = (const char **) g_hash_table_get_keys_as_array (secrets, &secrets_keys_n);
+	if (secrets_keys) {
+		g_qsort_with_data (secrets_keys,
+		                   secrets_keys_n,
+		                   sizeof (const char *),
+		                   nm_strcmp_p_with_data,
+		                   NULL);
+	}
+
+	for (i = 0; i < secrets_keys_n; i++) {
+		const char *k = secrets_keys[i];
+		const char *v = g_hash_table_lookup (secrets, k);
+
+		if (v) {
+			svSetValueStr (keyfile, k, v);
+			any_secrets = TRUE;
+		}
+	}
 
-	if (!svWriteFile (keyfile, 0600, &error)) {
-		_LOGW ("could not update ifcfg file '%s': %s",
-		       svFileGetName (keyfile), error->message);
-		g_clear_error (&error);
-		svCloseFile (keyfile);
-		goto error;
+	if (!any_secrets)
+		(void) unlink (svFileGetName (keyfile));
+	else if (!svWriteFile (keyfile, 0600, &local)) {
+		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+		             "Failure to write secrets to '%s': %s", svFileGetName (keyfile), local->message);
+		return FALSE;
 	}
-	svCloseFile (keyfile);
-	return;
 
-error:
-	/* Try setting the secret in the actual ifcfg */
-	svSetValueStr (ifcfg, key, value);
+	return TRUE;
 }
 
 typedef struct {
@@ -183,6 +214,8 @@ static const Setting8021xSchemeVtable setting_8021x_scheme_vtable[] = {
 static gboolean
 write_object (NMSetting8021x *s_8021x,
               shvarFile *ifcfg,
+              GHashTable *secrets,
+              GHashTable *blobs,
               const Setting8021xSchemeVtable *objtype,
               GError **error)
 {
@@ -193,6 +226,7 @@ write_object (NMSetting8021x *s_8021x,
 	NMSettingSecretFlags flags = NM_SETTING_SECRET_FLAG_NONE;
 	char *secret_name, *secret_flags;
 	const char *extension;
+	char *standard_file;
 
 	g_return_val_if_fail (ifcfg != NULL, FALSE);
 	g_return_val_if_fail (objtype != NULL, FALSE);
@@ -221,7 +255,7 @@ write_object (NMSetting8021x *s_8021x,
 	secret_flags = g_strdup_printf ("%s_PASSWORD_FLAGS", objtype->ifcfg_rh_key);
 	password = (*(objtype->vtable->passwd_func))(s_8021x);
 	flags = (*(objtype->vtable->pwflag_func))(s_8021x);
-	set_secret (ifcfg, secret_name, password, secret_flags, flags);
+	set_secret (ifcfg, secrets, secret_name, password, secret_flags, flags);
 	g_free (secret_name);
 	g_free (secret_flags);
 
@@ -232,28 +266,6 @@ write_object (NMSetting8021x *s_8021x,
 	else
 		extension = "pem";
 
-	/* If certificate/private key wasn't sent, the connection may no longer be
-	 * 802.1x and thus we clear out the paths and certs.
-	 */
-	if (!value && !blob) {
-		char *standard_file;
-		int ignored;
-
-		/* Since no cert/private key is now being used, delete any standard file
-		 * that was created for this connection, but leave other files alone.
-		 * Thus, for example,
-		 * /etc/sysconfig/network-scripts/ca-cert-Test_Write_Wifi_WPA_EAP-TLS.der
-		 * will be deleted, but /etc/pki/tls/cert.pem will not.
-		 */
-		standard_file = utils_cert_path (svFileGetName (ifcfg), objtype->vtable->file_suffix, extension);
-		if (g_file_test (standard_file, G_FILE_TEST_EXISTS))
-			ignored = unlink (standard_file);
-		g_free (standard_file);
-
-		svUnsetValue (ifcfg, objtype->ifcfg_rh_key);
-		return TRUE;
-	}
-
 	/* If the object path was specified, prefer that over any raw cert data that
 	 * may have been sent.
 	 */
@@ -264,46 +276,72 @@ write_object (NMSetting8021x *s_8021x,
 
 	/* If it's raw certificate data, write the data out to the standard file */
 	if (blob) {
-		gboolean success;
 		char *new_file;
-		GError *write_error = NULL;
 
 		new_file = utils_cert_path (svFileGetName (ifcfg), objtype->vtable->file_suffix, extension);
-		if (!new_file) {
-			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-			             "Could not create file path for %s / %s",
-			             NM_SETTING_802_1X_SETTING_NAME, objtype->vtable->setting_key);
-			return FALSE;
+		g_hash_table_replace (blobs, new_file, g_bytes_ref (blob));
+		svSetValueStr (ifcfg, objtype->ifcfg_rh_key, new_file);
+		return TRUE;
+	}
+
+	/* If certificate/private key wasn't sent, the connection may no longer be
+	 * 802.1x and thus we clear out the paths and certs.
+	 *
+	 * Since no cert/private key is now being used, delete any standard file
+	 * that was created for this connection, but leave other files alone.
+	 * Thus, for example,
+	 * /etc/sysconfig/network-scripts/ca-cert-Test_Write_Wifi_WPA_EAP-TLS.der
+	 * will be deleted, but /etc/pki/tls/cert.pem will not.
+	 */
+	standard_file = utils_cert_path (svFileGetName (ifcfg), objtype->vtable->file_suffix, extension);
+	g_hash_table_replace (blobs, standard_file, NULL);
+	svUnsetValue (ifcfg, objtype->ifcfg_rh_key);
+	return TRUE;
+}
+
+static gboolean
+write_blobs (GHashTable *blobs, GError **error)
+{
+	GHashTableIter iter;
+	const char *filename;
+	GBytes *blob;
+
+	if (!blobs)
+		return TRUE;
+
+	g_hash_table_iter_init (&iter, blobs);
+	while (g_hash_table_iter_next (&iter, (gpointer *) &filename, (gpointer *) &blob)) {
+		GError *write_error = NULL;
+
+		if (!blob) {
+			(void) unlink (filename);
+			continue;
 		}
 
 		/* Write the raw certificate data out to the standard file so that we
 		 * can use paths from now on instead of pushing around the certificate
 		 * data itself.
 		 */
-		success = nm_utils_file_set_contents (new_file,
-		                                      (const char *) g_bytes_get_data (blob, NULL),
-		                                      g_bytes_get_size (blob),
-		                                      0600,
-		                                      &write_error);
-		if (success) {
-			svSetValueStr (ifcfg, objtype->ifcfg_rh_key, new_file);
-			g_free (new_file);
-			return TRUE;
-		} else {
+		if (!nm_utils_file_set_contents (filename,
+		                                 (const char *) g_bytes_get_data (blob, NULL),
+		                                 g_bytes_get_size (blob),
+		                                 0600,
+		                                 &write_error)) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-			             "Could not write certificate/key for %s / %s: %s",
-			             NM_SETTING_802_1X_SETTING_NAME, objtype->vtable->setting_key,
-			             (write_error && write_error->message) ? write_error->message : "(unknown)");
-			g_clear_error (&write_error);
+			             "Could not write certificate to file \"%s\": %s",
+			             filename,
+			             write_error->message);
+			return FALSE;
 		}
-		g_free (new_file);
 	}
 
-	return FALSE;
+	return TRUE;
 }
 
 static gboolean
 write_8021x_certs (NMSetting8021x *s_8021x,
+                   GHashTable *secrets,
+                   GHashTable *blobs,
                    gboolean phase2,
                    shvarFile *ifcfg,
                    GError **error)
@@ -311,7 +349,7 @@ write_8021x_certs (NMSetting8021x *s_8021x,
 	const Setting8021xSchemeVtable *otype = NULL;
 
 	/* CA certificate */
-	if (!write_object (s_8021x, ifcfg,
+	if (!write_object (s_8021x, ifcfg, secrets, blobs,
 	                   phase2
 	                       ? &setting_8021x_scheme_vtable[NM_SETTING_802_1X_SCHEME_TYPE_PHASE2_CA_CERT]
 	                       : &setting_8021x_scheme_vtable[NM_SETTING_802_1X_SCHEME_TYPE_CA_CERT],
@@ -325,7 +363,7 @@ write_8021x_certs (NMSetting8021x *s_8021x,
 		otype = &setting_8021x_scheme_vtable[NM_SETTING_802_1X_SCHEME_TYPE_PRIVATE_KEY];
 
 	/* Save the private key */
-	if (!write_object (s_8021x, ifcfg, otype, error))
+	if (!write_object (s_8021x, ifcfg, secrets, blobs, otype, error))
 		return FALSE;
 
 	/* Client certificate */
@@ -338,7 +376,7 @@ write_8021x_certs (NMSetting8021x *s_8021x,
 		               NULL);
 	} else {
 		/* Save the client certificate */
-		if (!write_object (s_8021x, ifcfg,
+		if (!write_object (s_8021x, ifcfg, secrets, blobs,
 		                   phase2
 		                       ? &setting_8021x_scheme_vtable[NM_SETTING_802_1X_SCHEME_TYPE_PHASE2_CLIENT_CERT]
 		                       : &setting_8021x_scheme_vtable[NM_SETTING_802_1X_SCHEME_TYPE_CLIENT_CERT],
@@ -352,17 +390,22 @@ write_8021x_certs (NMSetting8021x *s_8021x,
 static gboolean
 write_8021x_setting (NMConnection *connection,
                      shvarFile *ifcfg,
+                     GHashTable *secrets,
+                     GHashTable *blobs,
                      gboolean wired,
                      GError **error)
 {
 	NMSetting8021x *s_8021x;
 	NMSetting8021xAuthFlags auth_flags;
 	const char *value, *match;
+	gconstpointer ptr;
+	GBytes* bytes;
 	char *tmp = NULL;
 	GString *phase2_auth;
 	GString *str;
 	guint32 i, num;
-	gint timeout;
+	gsize size;
+	int vint;
 
 	s_8021x = nm_connection_get_setting_802_1x (connection);
 	if (!s_8021x) {
@@ -392,11 +435,26 @@ write_8021x_setting (NMConnection *connection,
 	               nm_setting_802_1x_get_anonymous_identity (s_8021x));
 
 	set_secret (ifcfg,
+	            secrets,
 	            "IEEE_8021X_PASSWORD",
 	            nm_setting_802_1x_get_password (s_8021x),
 	            "IEEE_8021X_PASSWORD_FLAGS",
 	            nm_setting_802_1x_get_password_flags (s_8021x));
 
+	tmp = NULL;
+	bytes = nm_setting_802_1x_get_password_raw (s_8021x);
+	if (bytes) {
+		ptr = g_bytes_get_data (bytes, &size);
+		tmp = nm_utils_bin2hexstr (ptr, size, -1);
+	}
+	set_secret (ifcfg,
+	            secrets,
+	            "IEEE_8021X_PASSWORD_RAW",
+	            tmp,
+	            "IEEE_8021X_PASSWORD_RAW_FLAGS",
+	            nm_setting_802_1x_get_password_raw_flags (s_8021x));
+	g_free (tmp);
+
 	/* PEAP version */
 	value = nm_setting_802_1x_get_phase1_peapver (s_8021x);
 	svUnsetValue (ifcfg, "IEEE_8021X_PEAP_VERSION");
@@ -452,11 +510,9 @@ write_8021x_setting (NMConnection *connection,
 	if (auth_flags == NM_SETTING_802_1X_AUTH_FLAGS_NONE) {
 		svUnsetValue (ifcfg, "IEEE_8021X_PHASE1_AUTH_FLAGS");
 	} else {
-		gs_free char *flags_str = NULL;
-
-		flags_str = _nm_utils_enum_to_str_full (nm_setting_802_1x_auth_flags_get_type (),
-		                                        auth_flags, " ");
-		svSetValueStr (ifcfg, "IEEE_8021X_PHASE1_AUTH_FLAGS", flags_str);
+		svSetValueEnum (ifcfg, "IEEE_8021X_PHASE1_AUTH_FLAGS",
+		                nm_setting_802_1x_auth_flags_get_type(),
+		                auth_flags);
 	}
 
 	svSetValueStr (ifcfg, "IEEE_8021X_INNER_AUTH_METHODS",
@@ -501,17 +557,14 @@ write_8021x_setting (NMConnection *connection,
 	svSetValueStr (ifcfg, "IEEE_8021X_PHASE2_DOMAIN_SUFFIX_MATCH",
 	               nm_setting_802_1x_get_phase2_domain_suffix_match (s_8021x));
 
-	timeout = nm_setting_802_1x_get_auth_timeout (s_8021x);
-	if (timeout > 0)
-		svSetValueInt64 (ifcfg, "IEEE_8021X_AUTH_TIMEOUT", timeout);
-	else
-		svUnsetValue (ifcfg, "IEEE_8021X_AUTH_TIMEOUT");
+	vint = nm_setting_802_1x_get_auth_timeout (s_8021x);
+	svSetValueInt64_cond (ifcfg, "IEEE_8021X_AUTH_TIMEOUT", vint > 0, vint);
 
-	if (!write_8021x_certs (s_8021x, FALSE, ifcfg, error))
+	if (!write_8021x_certs (s_8021x, secrets, blobs, FALSE, ifcfg, error))
 		return FALSE;
 
 	/* phase2/inner certs */
-	if (!write_8021x_certs (s_8021x, TRUE, ifcfg, error))
+	if (!write_8021x_certs (s_8021x, secrets, blobs, TRUE, ifcfg, error))
 		return FALSE;
 
 	return TRUE;
@@ -520,6 +573,7 @@ write_8021x_setting (NMConnection *connection,
 static gboolean
 write_wireless_security_setting (NMConnection *connection,
                                  shvarFile *ifcfg,
+                                 GHashTable *secrets,
                                  gboolean adhoc,
                                  gboolean *no_8021x,
                                  GError **error)
@@ -528,6 +582,7 @@ write_wireless_security_setting (NMConnection *connection,
 	const char *key_mgmt, *auth_alg, *key, *proto, *cipher;
 	const char *psk = NULL;
 	gboolean wep = FALSE, wpa = FALSE, dynamic_wep = FALSE;
+	NMSettingWirelessSecurityWpsMethod wps_method;
 	char *tmp;
 	guint32 i, num;
 	GString *str;
@@ -573,6 +628,7 @@ write_wireless_security_setting (NMConnection *connection,
 			svSetValueStr (ifcfg, "IEEE_8021X_IDENTITY",
 			               nm_setting_wireless_security_get_leap_username (s_wsec));
 			set_secret (ifcfg,
+			            secrets,
 			            "IEEE_8021X_PASSWORD",
 			            nm_setting_wireless_security_get_leap_password (s_wsec),
 			            "IEEE_8021X_PASSWORD_FLAGS",
@@ -581,35 +637,42 @@ write_wireless_security_setting (NMConnection *connection,
 		}
 	}
 
+	/* WPS */
+	wps_method = nm_setting_wireless_security_get_wps_method (s_wsec);
+	if (wps_method == NM_SETTING_WIRELESS_SECURITY_WPS_METHOD_DEFAULT)
+		svUnsetValue (ifcfg, "WPS_METHOD");
+	else
+		svSetValueEnum (ifcfg, "WPS_METHOD", nm_setting_wireless_security_wps_method_get_type (), wps_method);
+
 	/* WEP keys */
 
 	/* Clear any default key */
-	set_secret (ifcfg, "KEY", NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
+	set_secret (ifcfg, secrets, "KEY", NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
 
 	/* Clear existing keys */
 	for (i = 0; i < 4; i++) {
-		tmp = g_strdup_printf ("KEY_PASSPHRASE%d", i + 1);
-		set_secret (ifcfg, tmp, NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
-		g_free (tmp);
+		char tag[64];
 
-		tmp = g_strdup_printf ("KEY%d", i + 1);
-		set_secret (ifcfg, tmp, NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
-		g_free (tmp);
+		numbered_tag (tag, "KEY_PASSPHRASE", i + 1);
+		set_secret (ifcfg, secrets, tag, NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
+
+		numbered_tag (tag, "KEY", i + 1);
+		set_secret (ifcfg, secrets, tag, NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
 	}
 
 	/* And write the new ones out */
 	if (wep) {
 		/* Default WEP TX key index */
-		tmp = g_strdup_printf ("%d", nm_setting_wireless_security_get_wep_tx_keyidx (s_wsec) + 1);
-		svSetValueStr (ifcfg, "DEFAULTKEY", tmp);
-		g_free (tmp);
+		svSetValueInt64 (ifcfg, "DEFAULTKEY", nm_setting_wireless_security_get_wep_tx_keyidx(s_wsec) + 1);
 
 		for (i = 0; i < 4; i++) {
 			NMWepKeyType key_type;
 
 			key = nm_setting_wireless_security_get_wep_key (s_wsec, i);
 			if (key) {
-				char *ascii_key = NULL;
+				gs_free char *ascii_key = NULL;
+				char tag[64];
+				gboolean key_valid = TRUE;
 
 				/* Passphrase needs a different ifcfg key since with WEP, there
 				 * are some passphrases that are indistinguishable from WEP hex
@@ -622,10 +685,11 @@ write_wireless_security_setting (NMConnection *connection,
 					else if (nm_utils_wep_key_valid (key, NM_WEP_KEY_TYPE_PASSPHRASE))
 						key_type = NM_WEP_KEY_TYPE_PASSPHRASE;
 				}
+
 				if (key_type == NM_WEP_KEY_TYPE_PASSPHRASE)
-					tmp = g_strdup_printf ("KEY_PASSPHRASE%d", i + 1);
+					numbered_tag (tag, "KEY_PASSPHRASE", i + 1);
 				else if (key_type == NM_WEP_KEY_TYPE_KEY) {
-					tmp = g_strdup_printf ("KEY%d", i + 1);
+					numbered_tag (tag, "KEY", i + 1);
 
 					/* Add 's:' prefix for ASCII keys */
 					if (strlen (key) == 5 || strlen (key) == 13) {
@@ -633,19 +697,18 @@ write_wireless_security_setting (NMConnection *connection,
 						key = ascii_key;
 					}
 				} else {
-					_LOGW ("invalid WEP key '%s'", key);
-					tmp = NULL;
+					g_warn_if_reached ();
+					key_valid = FALSE;
 				}
 
-				if (tmp) {
+				if (key_valid) {
 					set_secret (ifcfg,
-					            tmp,
+					            secrets,
+					            tag,
 					            key,
 					            "WEP_KEY_FLAGS",
 					            nm_setting_wireless_security_get_wep_key_flags (s_wsec));
 				}
-				g_free (tmp);
-				g_free (ascii_key);
 			}
 		}
 	}
@@ -704,22 +767,31 @@ write_wireless_security_setting (NMConnection *connection,
 		psk = nm_setting_wireless_security_get_psk (s_wsec);
 
 	set_secret (ifcfg,
+	            secrets,
 	            "WPA_PSK",
 	            psk,
 	            "WPA_PSK_FLAGS",
 	            wpa ? nm_setting_wireless_security_get_psk_flags (s_wsec) : NM_SETTING_SECRET_FLAG_NONE);
 
+
+	if (nm_setting_wireless_security_get_pmf (s_wsec) == NM_SETTING_WIRELESS_SECURITY_PMF_DEFAULT)
+		svUnsetValue (ifcfg, "PMF");
+	else {
+		svSetValueEnum (ifcfg, "PMF", nm_setting_wireless_security_pmf_get_type (),
+		                nm_setting_wireless_security_get_pmf (s_wsec));
+	}
+
 	return TRUE;
 }
 
 static gboolean
 write_wireless_setting (NMConnection *connection,
                         shvarFile *ifcfg,
+                        GHashTable *secrets,
                         gboolean *no_8021x,
                         GError **error)
 {
 	NMSettingWireless *s_wireless;
-	char *tmp;
 	GBytes *ssid;
 	const guint8 *ssid_data;
 	gsize ssid_len;
@@ -755,13 +827,8 @@ write_wireless_setting (NMConnection *connection,
 		g_free (blacklist_str);
 	}
 
-	svUnsetValue (ifcfg, "MTU");
 	mtu = nm_setting_wireless_get_mtu (s_wireless);
-	if (mtu) {
-		tmp = g_strdup_printf ("%u", mtu);
-		svSetValueStr (ifcfg, "MTU", tmp);
-		g_free (tmp);
-	}
+	svSetValueInt64_cond (ifcfg, "MTU", mtu != 0, mtu);
 
 	ssid = nm_setting_wireless_get_ssid (s_wireless);
 	if (!ssid) {
@@ -837,9 +904,7 @@ write_wireless_setting (NMConnection *connection,
 	svUnsetValue (ifcfg, "BAND");
 	chan = nm_setting_wireless_get_channel (s_wireless);
 	if (chan) {
-		tmp = g_strdup_printf ("%u", chan);
-		svSetValueStr (ifcfg, "CHANNEL", tmp);
-		g_free (tmp);
+		svSetValueInt64 (ifcfg, "CHANNEL", chan);
 	} else {
 		/* Band only set if channel is not, since channel implies band */
 		svSetValueStr (ifcfg, "BAND", nm_setting_wireless_get_band (s_wireless));
@@ -856,27 +921,25 @@ write_wireless_setting (NMConnection *connection,
 	svUnsetValue (ifcfg, "SECURITYMODE");
 
 	if (nm_connection_get_setting_wireless_security (connection)) {
-		if (!write_wireless_security_setting (connection, ifcfg, adhoc, no_8021x, error))
+		if (!write_wireless_security_setting (connection, ifcfg, secrets, adhoc, no_8021x, error))
 			return FALSE;
 	} else {
-		char *keys_path;
-
 		/* Clear out wifi security keys */
 		svUnsetValue (ifcfg, "KEY_MGMT");
 		svUnsetValue (ifcfg, "IEEE_8021X_IDENTITY");
-		set_secret (ifcfg, "IEEE_8021X_PASSWORD", NULL, "IEEE_8021X_PASSWORD_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
+		set_secret (ifcfg, secrets, "IEEE_8021X_PASSWORD", NULL, "IEEE_8021X_PASSWORD_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
 		svUnsetValue (ifcfg, "SECURITYMODE");
 
 		/* Clear existing keys */
-		set_secret (ifcfg, "KEY", NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
+		set_secret (ifcfg, secrets, "KEY", NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
 		for (i = 0; i < 4; i++) {
-			tmp = g_strdup_printf ("KEY_PASSPHRASE%d", i + 1);
-			set_secret (ifcfg, tmp, NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
-			g_free (tmp);
+			char tag[64];
 
-			tmp = g_strdup_printf ("KEY%d", i + 1);
-			set_secret (ifcfg, tmp, NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
-			g_free (tmp);
+			numbered_tag (tag, "KEY_PASSPHRASE", i + 1);
+			set_secret (ifcfg, secrets, tag, NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
+
+			numbered_tag (tag, "KEY", i + 1);
+			set_secret (ifcfg, secrets, tag, NULL, "WEP_KEY_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
 		}
 
 		svUnsetValue (ifcfg, "DEFAULTKEY");
@@ -884,12 +947,7 @@ write_wireless_setting (NMConnection *connection,
 		svUnsetValue (ifcfg, "WPA_ALLOW_WPA2");
 		svUnsetValue (ifcfg, "CIPHER_PAIRWISE");
 		svUnsetValue (ifcfg, "CIPHER_GROUP");
-		set_secret (ifcfg, "WPA_PSK", NULL, "WPA_PSK_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
-
-		/* Kill any old keys file */
-		keys_path = utils_get_keys_path (svFileGetName (ifcfg));
-		(void) unlink (keys_path);
-		g_free (keys_path);
+		set_secret (ifcfg, secrets, "WPA_PSK", NULL, "WPA_PSK_FLAGS", NM_SETTING_SECRET_FLAG_NONE);
 	}
 
 	svSetValueStr (ifcfg, "SSID_HIDDEN", nm_setting_wireless_get_hidden (s_wireless) ? "yes" : NULL);
@@ -932,7 +990,6 @@ static gboolean
 write_infiniband_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 {
 	NMSettingInfiniband *s_infiniband;
-	char *tmp;
 	const char *mac, *transport_mode, *parent;
 	guint32 mtu;
 	int p_key;
@@ -947,13 +1004,8 @@ write_infiniband_setting (NMConnection *connection, shvarFile *ifcfg, GError **e
 	mac = nm_setting_infiniband_get_mac_address (s_infiniband);
 	svSetValueStr (ifcfg, "HWADDR", mac);
 
-	svUnsetValue (ifcfg, "MTU");
 	mtu = nm_setting_infiniband_get_mtu (s_infiniband);
-	if (mtu) {
-		tmp = g_strdup_printf ("%u", mtu);
-		svSetValueStr (ifcfg, "MTU", tmp);
-		g_free (tmp);
-	}
+	svSetValueInt64_cond (ifcfg, "MTU", mtu != 0, mtu);
 
 	transport_mode = nm_setting_infiniband_get_transport_mode (s_infiniband);
 	svSetValueBoolean (ifcfg, "CONNECTED_MODE", nm_streq (transport_mode, "connected"));
@@ -961,9 +1013,7 @@ write_infiniband_setting (NMConnection *connection, shvarFile *ifcfg, GError **e
 	p_key = nm_setting_infiniband_get_p_key (s_infiniband);
 	if (p_key != -1) {
 		svSetValueStr (ifcfg, "PKEY", "yes");
-		tmp = g_strdup_printf ("%u", p_key);
-		svSetValueStr (ifcfg, "PKEY_ID", tmp);
-		g_free (tmp);
+		svSetValueInt64 (ifcfg, "PKEY_ID", p_key);
 
 		parent = nm_setting_infiniband_get_parent (s_infiniband);
 		if (parent)
@@ -1016,13 +1066,8 @@ write_wired_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 		g_free (blacklist_str);
 	}
 
-	svUnsetValue (ifcfg, "MTU");
 	mtu = nm_setting_wired_get_mtu (s_wired);
-	if (mtu) {
-		tmp = g_strdup_printf ("%u", mtu);
-		svSetValueStr (ifcfg, "MTU", tmp);
-		g_free (tmp);
-	}
+	svSetValueInt64_cond (ifcfg, "MTU", mtu != 0, mtu);
 
 	svUnsetValue (ifcfg, "SUBCHANNELS");
 	s390_subchannels = nm_setting_wired_get_s390_subchannels (s_wired);
@@ -1176,7 +1221,6 @@ write_wired_for_virtual (NMConnection *connection, shvarFile *ifcfg)
 	s_wired = nm_connection_get_setting_wired (connection);
 	if (s_wired) {
 		const char *device_mac, *cloned_mac;
-		char *tmp;
 		guint32 mtu;
 
 		has_wired = TRUE;
@@ -1191,12 +1235,7 @@ write_wired_for_virtual (NMConnection *connection, shvarFile *ifcfg)
 		               nm_setting_wired_get_generate_mac_address_mask (s_wired));
 
 		mtu = nm_setting_wired_get_mtu (s_wired);
-		if (mtu) {
-			tmp = g_strdup_printf ("%u", mtu);
-			svSetValueStr (ifcfg, "MTU", tmp);
-			g_free (tmp);
-		} else
-			svUnsetValue (ifcfg, "MTU");
+		svSetValueInt64_cond (ifcfg, "MTU", mtu != 0, mtu);
 	}
 	return has_wired;
 }
@@ -1205,19 +1244,11 @@ static gboolean
 write_vlan_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wired, GError **error)
 {
 	NMSettingVlan *s_vlan;
-	NMSettingConnection *s_con;
 	char *tmp;
 	guint32 vlan_flags = 0;
 	gsize s_buf_len;
 	char s_buf[50], *s_buf_ptr;
 
-	s_con = nm_connection_get_setting_connection (connection);
-	if (!s_con) {
-		g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		                     "Missing connection setting");
-		return FALSE;
-	}
-
 	s_vlan = nm_connection_get_setting_vlan (connection);
 	if (!s_vlan) {
 		g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
@@ -1227,12 +1258,8 @@ write_vlan_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wired,
 
 	svSetValueStr (ifcfg, "VLAN", "yes");
 	svSetValueStr (ifcfg, "TYPE", TYPE_VLAN);
-	svSetValueStr (ifcfg, "DEVICE", nm_setting_connection_get_interface_name (s_con));
 	svSetValueStr (ifcfg, "PHYSDEV", nm_setting_vlan_get_parent (s_vlan));
-
-	tmp = g_strdup_printf ("%d", nm_setting_vlan_get_id (s_vlan));
-	svSetValueStr (ifcfg, "VLAN_ID", tmp);
-	g_free (tmp);
+	svSetValueInt64 (ifcfg, "VLAN_ID", nm_setting_vlan_get_id (s_vlan));
 
 	vlan_flags = nm_setting_vlan_get_flags (s_vlan);
 	svSetValueBoolean (ifcfg, "REORDER_HDR", NM_FLAGS_HAS (vlan_flags, NM_VLAN_FLAG_REORDER_HEADERS));
@@ -1267,10 +1294,9 @@ write_vlan_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wired,
 }
 
 static gboolean
-write_bonding_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wired, GError **error)
+write_bond_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wired, GError **error)
 {
 	NMSettingBond *s_bond;
-	const char *iface;
 	guint32 i, num_opts;
 
 	s_bond = nm_connection_get_setting_bond (connection);
@@ -1280,14 +1306,6 @@ write_bonding_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wir
 		return FALSE;
 	}
 
-	iface = nm_connection_get_interface_name (connection);
-	if (!iface) {
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		             "Missing interface name");
-		return FALSE;
-	}
-
-	svSetValueStr (ifcfg, "DEVICE", iface);
 	svUnsetValue (ifcfg, "BONDING_OPTS");
 
 	num_opts = nm_setting_bond_get_num_options (s_bond);
@@ -1324,7 +1342,6 @@ static gboolean
 write_team_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wired, GError **error)
 {
 	NMSettingTeam *s_team;
-	const char *iface;
 	const char *config;
 
 	s_team = nm_connection_get_setting_team (connection);
@@ -1334,14 +1351,6 @@ write_team_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wired,
 		return FALSE;
 	}
 
-	iface = nm_connection_get_interface_name (connection);
-	if (!iface) {
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		             "Missing interface name");
-		return FALSE;
-	}
-
-	svSetValueStr (ifcfg, "DEVICE", iface);
 	config = nm_setting_team_get_config (s_team);
 	svSetValueStr (ifcfg, "TEAM_CONFIG", config);
 
@@ -1385,15 +1394,13 @@ get_setting_default_boolean (NMSetting *setting, const char *prop)
 }
 
 static gboolean
-write_bridge_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
+write_bridge_setting (NMConnection *connection, shvarFile *ifcfg, gboolean *wired, GError **error)
 {
 	NMSettingBridge *s_bridge;
-	const char *iface;
 	guint32 i;
 	gboolean b;
 	GString *opts;
 	const char *mac;
-	char *s;
 
 	s_bridge = nm_connection_get_setting_bridge (connection);
 	if (!s_bridge) {
@@ -1402,14 +1409,6 @@ write_bridge_setting (NMConnection *connection, shvarFile *ifcfg, GError **error
 		return FALSE;
 	}
 
-	iface = nm_connection_get_interface_name (connection);
-	if (!iface) {
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		             "Missing interface name");
-		return FALSE;
-	}
-
-	svSetValueStr (ifcfg, "DEVICE", iface);
 	svUnsetValue (ifcfg, "BRIDGING_OPTS");
 	svSetValueBoolean (ifcfg, "STP", FALSE);
 	svUnsetValue (ifcfg, "DELAY");
@@ -1424,11 +1423,8 @@ write_bridge_setting (NMConnection *connection, shvarFile *ifcfg, GError **error
 		svSetValueStr (ifcfg, "STP", "yes");
 
 		i = nm_setting_bridge_get_forward_delay (s_bridge);
-		if (i != get_setting_default_uint (NM_SETTING (s_bridge), NM_SETTING_BRIDGE_FORWARD_DELAY)) {
-			s = g_strdup_printf ("%u", i);
-			svSetValueStr (ifcfg, "DELAY", s);
-			g_free (s);
-		}
+		if (i != get_setting_default_uint (NM_SETTING (s_bridge), NM_SETTING_BRIDGE_FORWARD_DELAY))
+			svSetValueInt64 (ifcfg, "DELAY", i);
 
 		g_string_append_printf (opts, "priority=%u", nm_setting_bridge_get_priority (s_bridge));
 
@@ -1454,6 +1450,13 @@ write_bridge_setting (NMConnection *connection, shvarFile *ifcfg, GError **error
 		g_string_append_printf (opts, "ageing_time=%u", i);
 	}
 
+	i = nm_setting_bridge_get_group_forward_mask (s_bridge);
+	if (i != get_setting_default_uint (NM_SETTING (s_bridge), NM_SETTING_BRIDGE_GROUP_FORWARD_MASK)) {
+		if (opts->len)
+			g_string_append_c (opts, ' ');
+		g_string_append_printf (opts, "group_fwd_mask=%u", i);
+	}
+
 	b = nm_setting_bridge_get_multicast_snooping (s_bridge);
 	if (b != get_setting_default_boolean (NM_SETTING (s_bridge), NM_SETTING_BRIDGE_MULTICAST_SNOOPING)) {
 		if (opts->len)
@@ -1467,6 +1470,8 @@ write_bridge_setting (NMConnection *connection, shvarFile *ifcfg, GError **error
 
 	svSetValueStr (ifcfg, "TYPE", TYPE_BRIDGE);
 
+	*wired = write_wired_for_virtual (connection, ifcfg);
+
 	return TRUE;
 }
 
@@ -1715,8 +1720,9 @@ write_connection_setting (NMSettingConnection *s_con, shvarFile *ifcfg)
 	guint32 n, i;
 	GString *str;
 	const char *master, *master_iface = NULL, *type;
-	char *tmp;
-	gint i_int;
+	gint vint;
+	guint32 vuint32;
+	const char *tmp;
 
 	svSetValueStr (ifcfg, "NAME", nm_setting_connection_get_id (s_con));
 	svSetValueStr (ifcfg, "UUID", nm_setting_connection_get_uuid (s_con));
@@ -1724,16 +1730,15 @@ write_connection_setting (NMSettingConnection *s_con, shvarFile *ifcfg)
 	svSetValueStr (ifcfg, "DEVICE", nm_setting_connection_get_interface_name (s_con));
 	svSetValueBoolean (ifcfg, "ONBOOT", nm_setting_connection_get_autoconnect (s_con));
 
-	i_int = nm_setting_connection_get_autoconnect_priority (s_con);
-	tmp = i_int != NM_SETTING_CONNECTION_AUTOCONNECT_PRIORITY_DEFAULT
-	      ? g_strdup_printf ("%d", i_int) : NULL;
-	svSetValueStr (ifcfg, "AUTOCONNECT_PRIORITY", tmp);
-	g_free (tmp);
+	vint = nm_setting_connection_get_autoconnect_priority (s_con);
+	svSetValueInt64_cond (ifcfg, "AUTOCONNECT_PRIORITY",
+	                      vint != NM_SETTING_CONNECTION_AUTOCONNECT_PRIORITY_DEFAULT,
+	                      vint);
 
-	i_int = nm_setting_connection_get_autoconnect_retries (s_con);
-	tmp = i_int != -1 ? g_strdup_printf ("%d", i_int) : NULL;
-	svSetValueStr (ifcfg, "AUTOCONNECT_RETRIES", tmp);
-	g_free (tmp);
+	vint = nm_setting_connection_get_autoconnect_retries (s_con);
+	svSetValueInt64_cond (ifcfg, "AUTOCONNECT_RETRIES",
+	                      vint != -1,
+	                      vint);
 
 	/* Only save the value for master connections */
 	type = nm_setting_connection_get_connection_type (s_con);
@@ -1849,12 +1854,10 @@ write_connection_setting (NMSettingConnection *s_con, shvarFile *ifcfg)
 		g_string_free (str, TRUE);
 	}
 
-	svUnsetValue (ifcfg, "GATEWAY_PING_TIMEOUT");
-	if (nm_setting_connection_get_gateway_ping_timeout (s_con)) {
-		tmp = g_strdup_printf ("%" G_GUINT32_FORMAT, nm_setting_connection_get_gateway_ping_timeout (s_con));
-		svSetValueStr (ifcfg, "GATEWAY_PING_TIMEOUT", tmp);
-		g_free (tmp);
-	}
+	vuint32 = nm_setting_connection_get_gateway_ping_timeout (s_con);
+	svSetValueInt64_cond (ifcfg, "GATEWAY_PING_TIMEOUT",
+	                      vuint32 != 0,
+	                      vuint32);
 
 	switch (nm_setting_connection_get_metered (s_con)) {
 	case NM_METERED_YES:
@@ -1866,23 +1869,26 @@ write_connection_setting (NMSettingConnection *s_con, shvarFile *ifcfg)
 	default:
 		svUnsetValue (ifcfg, "CONNECTION_METERED");
 	}
+
+	vint = nm_setting_connection_get_auth_retries (s_con);
+	svSetValueInt64_cond (ifcfg, "AUTH_RETRIES", vint >= 0, vint);
 }
 
 static char *
 get_route_attributes_string (NMIPRoute *route, int family)
 {
-	gs_strfreev char **names = NULL;
+	gs_free const char **names = NULL;
 	GVariant *attr, *lock;
 	GString *str;
-	int i;
+	guint i, len;
 
-	names = nm_ip_route_get_attribute_names (route);
-	if (!names || !names[0])
+	names = _nm_ip_route_get_attribute_names (route, TRUE, &len);
+	if (!len)
 		return NULL;
 
 	str = g_string_new ("");
 
-	for (i = 0; names[i]; i++) {
+	for (i = 0; i < len; i++) {
 		attr = nm_ip_route_get_attribute (route, names[i]);
 
 		if (!nm_ip_route_attribute_validate (names[i], attr, family, NULL, NULL))
@@ -1904,16 +1910,28 @@ get_route_attributes_string (NMIPRoute *route, int family)
 			                        (lock && g_variant_get_boolean (lock)) ? "lock " : "",
 			                        g_variant_get_uint32 (attr));
 		} else if (strstr (names[i], "lock-")) {
-			/* handled above */
+			const char *n = &(names[i])[NM_STRLEN ("lock-")];
+
+			attr = nm_ip_route_get_attribute (route, n);
+			if (!attr) {
+				g_string_append_printf (str,
+				                        "%s lock 0",
+				                        n);
+			} else {
+				/* we also have a corresponding attribute with the numeric value. The
+				 * lock setting is handled above. */
+			}
 		} else if (nm_streq (names[i], NM_IP_ROUTE_ATTRIBUTE_TOS)) {
-			g_string_append_printf (str, "%s %u", names[i], (unsigned) g_variant_get_byte (attr));
+			g_string_append_printf (str, "%s 0x%02x", names[i], (unsigned) g_variant_get_byte (attr));
+		} else if (nm_streq (names[i], NM_IP_ROUTE_ATTRIBUTE_TABLE)) {
+			g_string_append_printf (str, "%s %u", names[i], (unsigned) g_variant_get_uint32 (attr));
 		} else if (   nm_streq (names[i], NM_IP_ROUTE_ATTRIBUTE_SRC)
 		           || nm_streq (names[i], NM_IP_ROUTE_ATTRIBUTE_FROM)) {
 			char *arg = nm_streq (names[i], NM_IP_ROUTE_ATTRIBUTE_SRC) ? "src" : "from";
 
 			g_string_append_printf (str, "%s %s", arg, g_variant_get_string (attr, NULL));
 		} else {
-			_LOGW ("unknown route option '%s'", names[i]);
+			g_warn_if_reached ();
 			continue;
 		}
 		if (names[i + 1])
@@ -1923,35 +1941,86 @@ get_route_attributes_string (NMIPRoute *route, int family)
 	return g_string_free (str, FALSE);
 }
 
-static gboolean
-write_route_file_legacy (const char *filename, NMSettingIPConfig *s_ip4, GError **error)
+static shvarFile *
+write_route_file_svformat (const char *filename, NMSettingIPConfig *s_ip4)
 {
-	nm_auto_free_gstring GString *contents = NULL;
-	NMIPRoute *route;
-	guint32 i, num;
+	shvarFile *routefile;
+	guint i, num;
 
-	g_return_val_if_fail (filename != NULL, FALSE);
-	g_return_val_if_fail (s_ip4 != NULL, FALSE);
-	g_return_val_if_fail (error != NULL, FALSE);
-	g_return_val_if_fail (*error == NULL, FALSE);
+	routefile = utils_get_route_ifcfg (filename, TRUE);
+
+	svUnsetAll (routefile, SV_KEY_TYPE_ROUTE_SVFORMAT);
 
 	num = nm_setting_ip_config_get_num_routes (s_ip4);
-	if (num == 0) {
-		unlink (filename);
-		return TRUE;
+	for (i = 0; i < num; i++) {
+		char buf[INET_ADDRSTRLEN];
+		NMIPRoute *route;
+		guint32 netmask;
+		gint64 metric;
+		char addr_key[64];
+		char gw_key[64];
+		char netmask_key[64];
+		char metric_key[64];
+		char options_key[64];
+		gs_free char *options = NULL;
+
+		numbered_tag (addr_key, "ADDRESS", i);
+		numbered_tag (netmask_key, "NETMASK", i);
+		numbered_tag (gw_key, "GATEWAY", i);
+
+		route = nm_setting_ip_config_get_route (s_ip4, i);
+
+		svSetValueStr (routefile, addr_key, nm_ip_route_get_dest (route));
+
+		netmask = _nm_utils_ip4_prefix_to_netmask (nm_ip_route_get_prefix (route));
+		svSetValueStr (routefile, netmask_key,
+		               nm_utils_inet4_ntop (netmask, buf));
+
+		svSetValueStr (routefile, gw_key, nm_ip_route_get_next_hop (route));
+
+		metric = nm_ip_route_get_metric (route);
+		if (metric != -1) {
+			svSetValueInt64 (routefile,
+			                 numbered_tag (metric_key, "METRIC", i),
+			                 metric);
+		}
+
+		options = get_route_attributes_string (route, AF_INET);
+		if (options) {
+			svSetValueStr (routefile,
+			               numbered_tag (options_key, "OPTIONS", i),
+			               options);
+		}
 	}
 
+	return routefile;
+}
+
+static GString *
+write_route_file (NMSettingIPConfig *s_ip)
+{
+	GString *contents;
+	NMIPRoute *route;
+	guint32 i, num;
+	int addr_family;
+
+	addr_family = nm_setting_ip_config_get_addr_family (s_ip);
+
+	num = nm_setting_ip_config_get_num_routes (s_ip);
+	if (num == 0)
+		return NULL;
+
 	contents = g_string_new ("");
 
 	for (i = 0; i < num; i++) {
-		const char *next_hop;
 		gs_free char *options = NULL;
+		const char *next_hop;
 		gint64 metric;
 
-		route = nm_setting_ip_config_get_route (s_ip4, i);
+		route = nm_setting_ip_config_get_route (s_ip, i);
 		next_hop = nm_ip_route_get_next_hop (route);
 		metric = nm_ip_route_get_metric (route);
-		options = get_route_attributes_string (route, AF_INET);
+		options = get_route_attributes_string (route, addr_family);
 
 		g_string_append_printf (contents, "%s/%u",
 		                        nm_ip_route_get_dest (route),
@@ -1968,13 +2037,7 @@ write_route_file_legacy (const char *filename, NMSettingIPConfig *s_ip4, GError
 		g_string_append_c (contents, '\n');
 	}
 
-	if (!g_file_set_contents (filename, contents->str, contents->len, NULL)) {
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		             "Writing route file '%s' failed", filename);
-		return FALSE;
-	}
-
-	return TRUE;
+	return contents;
 }
 
 static gboolean
@@ -2025,7 +2088,7 @@ write_user_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 
 	s_user = NM_SETTING_USER (nm_connection_get_setting (connection, NM_TYPE_SETTING_USER));
 
-	svUnsetValuesWithPrefix (ifcfg, "NM_USER_");
+	svUnsetAll (ifcfg, SV_KEY_TYPE_USER);
 
 	if (!s_user)
 		return TRUE;
@@ -2050,25 +2113,29 @@ write_user_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 }
 
 static gboolean
-write_ip4_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
+write_ip4_setting (NMConnection *connection,
+                   shvarFile *ifcfg,
+                   shvarFile **out_route_content_svformat,
+                   GString **out_route_content,
+                   GError **error)
 {
 	NMSettingIPConfig *s_ip4;
 	const char *value;
 	char *tmp;
-	char addr_key[64];
-	char prefix_key[64];
-	char netmask_key[64];
-	char gw_key[64];
-	char *route_path = NULL;
+	char tag[64];
 	gint j;
 	guint i, num, n;
 	gint64 route_metric;
+	NMIPRouteTableSyncMode route_table;
 	gint priority;
 	int timeout;
 	GString *searches;
 	const char *method = NULL;
 	gboolean has_netmask;
 
+	NM_SET_OUT (out_route_content_svformat, NULL);
+	NM_SET_OUT (out_route_content, NULL);
+
 	s_ip4 = nm_connection_get_setting_ip4_config (connection);
 	if (!s_ip4) {
 		/* slave-type: clear IPv4 settings.
@@ -2076,16 +2143,7 @@ write_ip4_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 		 * Some IPv4 setting related options are not cleared,
 		 * for no strong reason. */
 		svUnsetValue (ifcfg, "BOOTPROTO");
-
-		svUnsetValue (ifcfg, "IPADDR");
-		svUnsetValue (ifcfg, "PREFIX");
-		svUnsetValue (ifcfg, "NETMASK");
-		svUnsetValue (ifcfg, "GATEWAY");
-
-		svUnsetValue (ifcfg, "IPADDR0");
-		svUnsetValue (ifcfg, "PREFIX0");
-		svUnsetValue (ifcfg, "NETMASK0");
-		svUnsetValue (ifcfg, "GATEWAY0");
+		svUnsetAll (ifcfg, SV_KEY_TYPE_IP4_ADDRESS);
 		return TRUE;
 	}
 
@@ -2096,32 +2154,14 @@ write_ip4_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 		method = NM_SETTING_IP4_CONFIG_METHOD_AUTO;
 
 	if (!strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED)) {
-		int result;
-
 		/* IPv4 disabled, clear IPv4 related parameters */
 		svUnsetValue (ifcfg, "BOOTPROTO");
 		for (j = -1; j < 256; j++) {
-			if (j == -1) {
-				nm_sprintf_buf (addr_key, "IPADDR");
-				nm_sprintf_buf (prefix_key, "PREFIX");
-				nm_sprintf_buf (netmask_key, "NETMASK");
-				nm_sprintf_buf (gw_key, "GATEWAY");
-			} else {
-				nm_sprintf_buf (addr_key, "IPADDR%d", (guint) j);
-				nm_sprintf_buf (prefix_key, "PREFIX%u",  (guint) j);
-				nm_sprintf_buf (netmask_key, "NETMASK%u",  (guint) j);
-				nm_sprintf_buf (gw_key, "GATEWAY%u",  (guint) j);
-			}
-
-			svUnsetValue (ifcfg, addr_key);
-			svUnsetValue (ifcfg, prefix_key);
-			svUnsetValue (ifcfg, netmask_key);
-			svUnsetValue (ifcfg, gw_key);
+			svUnsetValue (ifcfg, numbered_tag (tag, "IPADDR", j));
+			svUnsetValue (ifcfg, numbered_tag (tag, "PREFIX", j));
+			svUnsetValue (ifcfg, numbered_tag (tag, "NETMASK", j));
+			svUnsetValue (ifcfg, numbered_tag (tag, "GATEWAY", j));
 		}
-
-		route_path = utils_get_route_path (svFileGetName (ifcfg));
-		result = unlink (route_path);
-		g_free (route_path);
 		return TRUE;
 	}
 
@@ -2165,72 +2205,60 @@ write_ip4_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 			 * See https://bugzilla.redhat.com/show_bug.cgi?id=771673
 			 * and https://bugzilla.redhat.com/show_bug.cgi?id=1105770
 			 */
-			nm_sprintf_buf (addr_key, "IPADDR");
-			nm_sprintf_buf (prefix_key, "PREFIX");
-			nm_sprintf_buf (netmask_key, "NETMASK");
-			nm_sprintf_buf (gw_key, "GATEWAY");
-		} else {
-			nm_sprintf_buf (addr_key, "IPADDR%u", n);
-			nm_sprintf_buf (prefix_key, "PREFIX%u", n);
-			nm_sprintf_buf (netmask_key, "NETMASK%u", n);
-			nm_sprintf_buf (gw_key, "GATEWAY%u", n);
-		}
+			j = -1;
+		} else
+			j = n;
 
-		svSetValueStr (ifcfg, addr_key, nm_ip_address_get_address (addr));
+		svSetValueStr (ifcfg,
+		               numbered_tag (tag, "IPADDR", j),
+		               nm_ip_address_get_address (addr));
 
 		prefix = nm_ip_address_get_prefix (addr);
-		tmp = g_strdup_printf ("%u", prefix);
-		svSetValueStr (ifcfg, prefix_key, tmp);
-		g_free (tmp);
+		svSetValueInt64 (ifcfg, numbered_tag (tag, "PREFIX", j), prefix);
 
 		/* If the legacy "NETMASK" is present, keep it. */
+		numbered_tag (tag, "NETMASK", j);
 		if (has_netmask) {
 			char buf[INET_ADDRSTRLEN];
 
-			svSetValueStr (ifcfg, netmask_key,
-			               nm_utils_inet4_ntop (nm_utils_ip4_prefix_to_netmask (prefix), buf));
+			svSetValueStr (ifcfg, tag,
+			               nm_utils_inet4_ntop (_nm_utils_ip4_prefix_to_netmask (prefix), buf));
 		} else
-			svUnsetValue (ifcfg, netmask_key);
+			svUnsetValue (ifcfg, tag);
 
-		svUnsetValue (ifcfg, gw_key);
 		n++;
 	}
 
-	svUnsetValue (ifcfg, "IPADDR0");
-	svUnsetValue (ifcfg, "PREFIX0");
-	svUnsetValue (ifcfg, "NETMASK0");
-	svUnsetValue (ifcfg, "GATEWAY0");
+	svUnsetValue (ifcfg, numbered_tag (tag, "IPADDR", 0));
+	svUnsetValue (ifcfg, numbered_tag (tag, "PREFIX", 0));
+	svUnsetValue (ifcfg, numbered_tag (tag, "NETMASK", 0));
 	if (n == 0) {
 		svUnsetValue (ifcfg, "IPADDR");
 		svUnsetValue (ifcfg, "PREFIX");
 		svUnsetValue (ifcfg, "NETMASK");
-		i = 1;
-	} else
-		i = n;
-	for (; i < 256; i++) {
-		nm_sprintf_buf (addr_key, "IPADDR%u", i);
-		nm_sprintf_buf (prefix_key, "PREFIX%u", i);
-		nm_sprintf_buf (netmask_key, "NETMASK%u", i);
-		nm_sprintf_buf (gw_key, "GATEWAY%u", i);
-
-		svUnsetValue (ifcfg, addr_key);
-		svUnsetValue (ifcfg, prefix_key);
-		svUnsetValue (ifcfg, netmask_key);
-		svUnsetValue (ifcfg, gw_key);
+	}
+	for (j = n; j < 256; j++) {
+		svUnsetValue (ifcfg, numbered_tag (tag, "IPADDR", j));
+		svUnsetValue (ifcfg, numbered_tag (tag, "PREFIX", j));
+		svUnsetValue (ifcfg, numbered_tag (tag, "NETMASK", j));
 	}
 
+	for (j = -1; j < 256; j++) {
+		if (j != 0)
+			svUnsetValue (ifcfg, numbered_tag (tag, "GATEWAY", j));
+	}
 	svSetValueStr (ifcfg, "GATEWAY", nm_setting_ip_config_get_gateway (s_ip4));
 
 	num = nm_setting_ip_config_get_num_dns (s_ip4);
 	for (i = 0; i < 254; i++) {
 		const char *dns;
 
-		nm_sprintf_buf (addr_key, "DNS%u", i + 1);
+		numbered_tag (tag, "DNS", i + 1);
 		if (i >= num)
-			svUnsetValue (ifcfg, addr_key);
+			svUnsetValue (ifcfg, tag);
 		else {
 			dns = nm_setting_ip_config_get_dns (s_ip4, i);
-			svSetValueStr (ifcfg, addr_key, dns);
+			svSetValueStr (ifcfg, tag, dns);
 		}
 	}
 
@@ -2273,98 +2301,27 @@ write_ip4_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 	svSetValueStr (ifcfg, "DHCP_CLIENT_ID", value);
 
 	timeout = nm_setting_ip_config_get_dhcp_timeout (s_ip4);
-	tmp = timeout ? g_strdup_printf ("%d", timeout) : NULL;
-	svSetValueStr (ifcfg, "IPV4_DHCP_TIMEOUT", tmp);
-	g_free (tmp);
+	svSetValueInt64_cond (ifcfg,
+	                      "IPV4_DHCP_TIMEOUT",
+	                      timeout != 0,
+	                      timeout);
 
 	svSetValueBoolean (ifcfg, "IPV4_FAILURE_FATAL", !nm_setting_ip_config_get_may_fail (s_ip4));
 
 	route_metric = nm_setting_ip_config_get_route_metric (s_ip4);
-	tmp = route_metric != -1 ? g_strdup_printf ("%"G_GINT64_FORMAT, route_metric) : NULL;
-	svSetValueStr (ifcfg, "IPV4_ROUTE_METRIC", tmp);
-	g_free (tmp);
-
-	/* Static routes - route-<name> file */
-	route_path = utils_get_route_path (svFileGetName (ifcfg));
-	if (!route_path) {
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		             "Could not get route file path for '%s'", svFileGetName (ifcfg));
-		return FALSE;
-	}
-
-	if (utils_has_route_file_new_syntax (route_path)) {
-		shvarFile *routefile;
-
-		routefile = utils_get_route_ifcfg (svFileGetName (ifcfg), TRUE);
-		if (!routefile) {
-			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-			             "Could not create route file '%s'", route_path);
-			g_free (route_path);
-			return FALSE;
-		}
-		g_free (route_path);
+	svSetValueInt64_cond (ifcfg,
+	                      "IPV4_ROUTE_METRIC",
+	                      route_metric != -1,
+	                      route_metric);
 
-		num = nm_setting_ip_config_get_num_routes (s_ip4);
-		for (i = 0; i < 256; i++) {
-			char buf[INET_ADDRSTRLEN];
-			NMIPRoute *route;
-			guint32 netmask;
-			gint64 metric;
-			char metric_key[64];
-			char options_key[64];
-
-			nm_sprintf_buf (addr_key, "ADDRESS%u", i);
-			nm_sprintf_buf (netmask_key, "NETMASK%u", i);
-			nm_sprintf_buf (gw_key, "GATEWAY%u", i);
-			nm_sprintf_buf (metric_key, "METRIC%u", i);
-			nm_sprintf_buf (options_key, "OPTIONS%u", i);
-
-			if (i >= num) {
-				svUnsetValue (routefile, addr_key);
-				svUnsetValue (routefile, netmask_key);
-				svUnsetValue (routefile, gw_key);
-				svUnsetValue (routefile, metric_key);
-				svUnsetValue (routefile, options_key);
-			} else {
-				gs_free char *options = NULL;
-
-				route = nm_setting_ip_config_get_route (s_ip4, i);
+	route_table = nm_setting_ip_config_get_route_table (s_ip4);
+	svSetValueInt64_cond (ifcfg,
+	                      "IPV4_ROUTE_TABLE",
+	                      route_table != 0,
+	                      route_table);
 
-				svSetValueStr (routefile, addr_key, nm_ip_route_get_dest (route));
-
-				memset (buf, 0, sizeof (buf));
-				netmask = nm_utils_ip4_prefix_to_netmask (nm_ip_route_get_prefix (route));
-				inet_ntop (AF_INET, (const void *) &netmask, &buf[0], sizeof (buf));
-				svSetValueStr (routefile, netmask_key, &buf[0]);
-
-				svSetValueStr (routefile, gw_key, nm_ip_route_get_next_hop (route));
-
-				memset (buf, 0, sizeof (buf));
-				metric = nm_ip_route_get_metric (route);
-				if (metric == -1)
-					svUnsetValue (routefile, metric_key);
-				else {
-					tmp = g_strdup_printf ("%u", (guint32) metric);
-					svSetValueStr (routefile, metric_key, tmp);
-					g_free (tmp);
-				}
-
-				options = get_route_attributes_string (route, AF_INET);
-				if (options)
-					svSetValueStr (routefile, options_key, options);
-			}
-		}
-		if (!svWriteFile (routefile, 0644, error)) {
-			svCloseFile (routefile);
-			return FALSE;
-		}
-		svCloseFile (routefile);
-	} else {
-		write_route_file_legacy (route_path, s_ip4, error);
-		g_free (route_path);
-		if (error && *error)
-			return FALSE;
-	}
+	NM_SET_OUT (out_route_content_svformat, write_route_file_svformat (svFileGetName (ifcfg), s_ip4));
+	NM_SET_OUT (out_route_content, write_route_file (s_ip4));
 
 	timeout = nm_setting_ip_config_get_dad_timeout (s_ip4);
 	if (timeout < 0)
@@ -2386,7 +2343,7 @@ write_ip4_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 }
 
 static void
-write_ip4_aliases (NMConnection *connection, char *base_ifcfg_path)
+write_ip4_aliases (NMConnection *connection, const char *base_ifcfg_path)
 {
 	NMSettingIPConfig *s_ip4;
 	gs_free char *base_ifcfg_dir = NULL, *base_ifcfg_name = NULL;
@@ -2432,7 +2389,7 @@ write_ip4_aliases (NMConnection *connection, char *base_ifcfg_path)
 	for (i = 0; i < num; i++) {
 		GVariant *label_var;
 		const char *label, *p;
-		char *path, *tmp;
+		char *path;
 		NMIPAddress *addr;
 		shvarFile *ifcfg;
 
@@ -2462,68 +2419,13 @@ write_ip4_aliases (NMConnection *connection, char *base_ifcfg_path)
 		addr = nm_setting_ip_config_get_address (s_ip4, i);
 		svSetValueStr (ifcfg, "IPADDR", nm_ip_address_get_address (addr));
 
-		tmp = g_strdup_printf ("%u", nm_ip_address_get_prefix (addr));
-		svSetValueStr (ifcfg, "PREFIX", tmp);
-		g_free (tmp);
+		svSetValueInt64 (ifcfg, "PREFIX", nm_ip_address_get_prefix(addr));
 
 		svWriteFile (ifcfg, 0644, NULL);
 		svCloseFile (ifcfg);
 	}
 }
 
-static gboolean
-write_route6_file (const char *filename, NMSettingIPConfig *s_ip6, GError **error)
-{
-	nm_auto_free_gstring GString *contents = NULL;
-	NMIPRoute *route;
-	guint32 i, num;
-
-	g_return_val_if_fail (filename, FALSE);
-	g_return_val_if_fail (s_ip6, FALSE);
-	g_return_val_if_fail (!error || !*error, FALSE);
-
-	num = nm_setting_ip_config_get_num_routes (s_ip6);
-	if (num == 0) {
-		unlink (filename);
-		return TRUE;
-	}
-
-	contents = g_string_new ("");
-
-	for (i = 0; i < num; i++) {
-		gs_free char *options = NULL;
-		const char *next_hop;
-		gint64 metric;
-
-		route = nm_setting_ip_config_get_route (s_ip6, i);
-		next_hop = nm_ip_route_get_next_hop (route);
-		metric = nm_ip_route_get_metric (route);
-		options = get_route_attributes_string (route, AF_INET6);
-
-		g_string_append_printf (contents, "%s/%u",
-		                        nm_ip_route_get_dest (route),
-		                        nm_ip_route_get_prefix (route));
-		if (next_hop)
-			g_string_append_printf (contents, " via %s", next_hop);
-		if (metric >= 0)
-			g_string_append_printf (contents, " metric %u", (guint) metric);
-		if (options) {
-			g_string_append_c (contents, ' ');
-			g_string_append (contents, options);
-		}
-
-		g_string_append_c (contents, '\n');
-	}
-
-	if (!g_file_set_contents (filename, contents->str, contents->len, NULL)) {
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		             "Writing route6 file '%s' failed", filename);
-		return FALSE;
-	}
-
-	return TRUE;
-}
-
 static void
 write_ip6_setting_dhcp_hostname (NMSettingIPConfig *s_ip6, shvarFile *ifcfg)
 {
@@ -2542,21 +2444,25 @@ write_ip6_setting_dhcp_hostname (NMSettingIPConfig *s_ip6, shvarFile *ifcfg)
 }
 
 static gboolean
-write_ip6_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
+write_ip6_setting (NMConnection *connection,
+                   shvarFile *ifcfg,
+                   GString **out_route6_content,
+                   GError **error)
 {
 	NMSettingIPConfig *s_ip6;
 	NMSettingIPConfig *s_ip4;
 	const char *value;
-	char *tmp;
 	guint i, num, num4;
 	gint priority;
 	NMIPAddress *addr;
 	const char *dns;
 	gint64 route_metric;
+	NMIPRouteTableSyncMode route_table;
 	GString *ip_str1, *ip_str2, *ip_ptr;
-	char *route6_path;
 	NMSettingIP6ConfigAddrGenMode addr_gen_mode;
 
+	NM_SET_OUT (out_route6_content, NULL);
+
 	s_ip6 = nm_connection_get_setting_ip6_config (connection);
 	if (!s_ip6) {
 		/* slave-type: clear IPv6 settings
@@ -2636,15 +2542,15 @@ write_ip6_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 	num4 = s_ip4 ? nm_setting_ip_config_get_num_dns (s_ip4) : 0; /* from where to start with IPv6 entries */
 	num = nm_setting_ip_config_get_num_dns (s_ip6);
 	for (i = 0; i < 254; i++) {
-		char addr_key[64];
+		char tag[64];
 
-		nm_sprintf_buf (addr_key, "DNS%u", i + num4 + 1);
+		numbered_tag (tag, "DNS", i + num4 + 1);
 
 		if (i >= num)
-			svUnsetValue (ifcfg, addr_key);
+			svUnsetValue (ifcfg, tag);
 		else {
 			dns = nm_setting_ip_config_get_dns (s_ip6, i);
-			svSetValueStr (ifcfg, addr_key, dns);
+			svSetValueStr (ifcfg, tag, dns);
 		}
 	}
 
@@ -2681,9 +2587,16 @@ write_ip6_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 	               nm_setting_ip_config_get_may_fail (s_ip6) ? "no" : "yes");
 
 	route_metric = nm_setting_ip_config_get_route_metric (s_ip6);
-	tmp = route_metric != -1 ? g_strdup_printf ("%"G_GINT64_FORMAT, route_metric) : NULL;
-	svSetValueStr (ifcfg, "IPV6_ROUTE_METRIC", tmp);
-	g_free (tmp);
+	svSetValueInt64_cond (ifcfg,
+	                      "IPV6_ROUTE_METRIC",
+	                      route_metric != -1,
+	                      route_metric);
+
+	route_table = nm_setting_ip_config_get_route_table (s_ip6);
+	svSetValueInt64_cond (ifcfg,
+	                      "IPV6_ROUTE_TABLE",
+	                      route_table != 0,
+	                      route_table);
 
 	/* IPv6 Privacy Extensions */
 	svUnsetValue (ifcfg, "IPV6_PRIVACY");
@@ -2706,10 +2619,8 @@ write_ip6_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 	/* IPv6 Address generation mode */
 	addr_gen_mode = nm_setting_ip6_config_get_addr_gen_mode (NM_SETTING_IP6_CONFIG (s_ip6));
 	if (addr_gen_mode != NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64) {
-		tmp = nm_utils_enum_to_str (nm_setting_ip6_config_addr_gen_mode_get_type (),
-		                            addr_gen_mode);
-		svSetValueStr (ifcfg, "IPV6_ADDR_GEN_MODE", tmp);
-		g_free (tmp);
+		svSetValueEnum (ifcfg, "IPV6_ADDR_GEN_MODE", nm_setting_ip6_config_addr_gen_mode_get_type (),
+		                addr_gen_mode);
 	} else {
 		svUnsetValue (ifcfg, "IPV6_ADDR_GEN_MODE");
 	}
@@ -2724,17 +2635,7 @@ write_ip6_setting (NMConnection *connection, shvarFile *ifcfg, GError **error)
 	else
 		svUnsetValue (ifcfg, "IPV6_DNS_PRIORITY");
 
-	/* Static routes go to route6-<dev> file */
-	route6_path = utils_get_route6_path (svFileGetName (ifcfg));
-	if (!route6_path) {
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		             "Could not get route6 file path for '%s'", svFileGetName (ifcfg));
-		return FALSE;
-	}
-	write_route6_file (route6_path, s_ip6, error);
-	g_free (route6_path);
-	if (error && *error)
-		return FALSE;
+	NM_SET_OUT (out_route6_content, write_route_file (s_ip6));
 
 	return TRUE;
 }
@@ -2817,30 +2718,43 @@ escape_id (const char *id)
 }
 
 static gboolean
-write_connection (NMConnection *connection,
-                  const char *ifcfg_dir,
-                  const char *filename,
-                  char **out_filename,
-                  NMConnection **out_reread,
-                  gboolean *out_reread_same,
-                  GError **error)
+do_write_construct (NMConnection *connection,
+                    const char *ifcfg_dir,
+                    const char *filename,
+                    shvarFile **out_ifcfg,
+                    GHashTable **out_blobs,
+                    GHashTable **out_secrets,
+                    gboolean *out_route_ignore,
+                    shvarFile **out_route_content_svformat,
+                    GString **out_route_content,
+                    GString **out_route6_content,
+                    GError **error)
 {
 	NMSettingConnection *s_con;
 	nm_auto_shvar_file_close shvarFile *ifcfg = NULL;
 	gs_free char *ifcfg_name = NULL;
+	gs_free char *route_path = NULL;
+	gs_free char *route6_path = NULL;
 	const char *type;
-	gboolean no_8021x = FALSE;
-	gboolean wired = FALSE;
+	gs_unref_hashtable GHashTable *blobs = NULL;
+	gs_unref_hashtable GHashTable *secrets = NULL;
+	gboolean wired;
+	gboolean no_8021x;
+	gboolean route_path_is_svformat;
+	gboolean has_complex_routes_v4;
+	gboolean has_complex_routes_v6;
+	gboolean route_ignore;
+	nm_auto_shvar_file_close shvarFile *route_content_svformat = NULL;
+	nm_auto_free_gstring GString *route_content = NULL;
+	nm_auto_free_gstring GString *route6_content = NULL;
 
 	nm_assert (NM_IS_CONNECTION (connection));
 	nm_assert (_nm_connection_verify (connection, NULL) == NM_SETTING_VERIFY_SUCCESS);
-	nm_assert (!out_reread || !*out_reread);
 
-	if (!writer_can_write_connection (connection, error))
+	if (!nms_ifcfg_rh_writer_can_write_connection (connection, error))
 		return FALSE;
 
 	s_con = nm_connection_get_setting_connection (connection);
-	g_assert (s_con);
 
 	if (filename) {
 		/* For existing connections, 'filename' should be full path to ifcfg file */
@@ -2849,7 +2763,7 @@ write_connection (NMConnection *connection,
 			return FALSE;
 
 		ifcfg_name = g_strdup (filename);
-	} else {
+	} else if (ifcfg_dir) {
 		char *escaped;
 
 		escaped = escape_id (nm_setting_connection_get_id (s_con));
@@ -2880,6 +2794,21 @@ write_connection (NMConnection *connection,
 		}
 
 		ifcfg = svCreateFile (ifcfg_name);
+	} else
+		ifcfg = svCreateFile ("/tmp/ifcfg-dummy");
+
+	route_path = utils_get_route_path (svFileGetName (ifcfg));
+	if (!route_path) {
+		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+		             "Could not get route file path for '%s'", svFileGetName (ifcfg));
+		return FALSE;
+	}
+
+	route6_path = utils_get_route6_path (svFileGetName (ifcfg));
+	if (!route6_path) {
+		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+		             "Could not get route6 file path for '%s'", svFileGetName (ifcfg));
+		return FALSE;
 	}
 
 	type = nm_setting_connection_get_connection_type (s_con);
@@ -2889,6 +2818,10 @@ write_connection (NMConnection *connection,
 		return FALSE;
 	}
 
+	secrets = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, g_free);
+
+	wired = FALSE;
+	no_8021x = FALSE;
 	if (!strcmp (type, NM_SETTING_WIRED_SETTING_NAME)) {
 		// FIXME: can't write PPPoE at this time
 		if (nm_connection_get_setting_pppoe (connection)) {
@@ -2905,19 +2838,19 @@ write_connection (NMConnection *connection,
 		if (!write_vlan_setting (connection, ifcfg, &wired, error))
 			return FALSE;
 	} else if (!strcmp (type, NM_SETTING_WIRELESS_SETTING_NAME)) {
-		if (!write_wireless_setting (connection, ifcfg, &no_8021x, error))
+		if (!write_wireless_setting (connection, ifcfg, secrets, &no_8021x, error))
 			return FALSE;
 	} else if (!strcmp (type, NM_SETTING_INFINIBAND_SETTING_NAME)) {
 		if (!write_infiniband_setting (connection, ifcfg, error))
 			return FALSE;
 	} else if (!strcmp (type, NM_SETTING_BOND_SETTING_NAME)) {
-		if (!write_bonding_setting (connection, ifcfg, &wired, error))
+		if (!write_bond_setting (connection, ifcfg, &wired, error))
 			return FALSE;
 	} else if (!strcmp (type, NM_SETTING_TEAM_SETTING_NAME)) {
 		if (!write_team_setting (connection, ifcfg, &wired, error))
 			return FALSE;
 	} else if (!strcmp (type, NM_SETTING_BRIDGE_SETTING_NAME)) {
-		if (!write_bridge_setting (connection, ifcfg, error))
+		if (!write_bridge_setting (connection, ifcfg, &wired, error))
 			return FALSE;
 	} else {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
@@ -2926,7 +2859,8 @@ write_connection (NMConnection *connection,
 	}
 
 	if (!no_8021x) {
-		if (!write_8021x_setting (connection, ifcfg, wired, error))
+		blobs = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, (GDestroyNotify) g_bytes_unref);
+		if (!write_8021x_setting (connection, ifcfg, secrets, blobs, wired, error))
 			return FALSE;
 	}
 
@@ -2948,11 +2882,49 @@ write_connection (NMConnection *connection,
 	svUnsetValue (ifcfg, "DHCP_HOSTNAME");
 	svUnsetValue (ifcfg, "DHCP_FQDN");
 
-	if (!write_ip4_setting (connection, ifcfg, error))
+	route_path_is_svformat = utils_has_route_file_new_syntax (route_path);
+
+	has_complex_routes_v4 = utils_has_complex_routes (ifcfg_name, AF_INET);
+	has_complex_routes_v6 = utils_has_complex_routes (ifcfg_name, AF_INET6);
+
+	if (has_complex_routes_v4 || has_complex_routes_v6) {
+		NMSettingIPConfig *s_ip4, *s_ip6;
+
+		s_ip4 = nm_connection_get_setting_ip4_config (connection);
+		s_ip6 = nm_connection_get_setting_ip6_config (connection);
+		if (   (   s_ip4
+		        && nm_setting_ip_config_get_num_routes (s_ip4) > 0)
+		    || (   s_ip6
+		        && nm_setting_ip_config_get_num_routes (s_ip6) > 0)) {
+			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+			             "Cannot configure static routes on a connection that has an associated 'rule%s-' file",
+			             has_complex_routes_v4 ? "" : "6");
+			return FALSE;
+		}
+		if (   (   s_ip4
+		        && nm_setting_ip_config_get_route_table (s_ip4) != 0)
+		    || (   s_ip6
+		        && nm_setting_ip_config_get_route_table (s_ip6) != 0)) {
+			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+			             "Cannot configure a route table for policy routing on a connection that has an associated 'rule%s-' file",
+			             has_complex_routes_v4 ? "" : "6");
+			return FALSE;
+		}
+		route_ignore = TRUE;
+	} else
+		route_ignore = FALSE;
+
+	if (!write_ip4_setting (connection,
+	                        ifcfg,
+	                        !route_ignore && route_path_is_svformat ? &route_content_svformat : NULL,
+	                        !route_ignore && route_path_is_svformat ? NULL                      :&route_content,
+	                        error))
 		return FALSE;
-	write_ip4_aliases (connection, ifcfg_name);
 
-	if (!write_ip6_setting (connection, ifcfg, error))
+	if (!write_ip6_setting (connection,
+	                        ifcfg,
+	                        !route_ignore ? &route6_content : NULL,
+	                        error))
 		return FALSE;
 
 	if (!write_res_options (connection, ifcfg, error))
@@ -2960,100 +2932,228 @@ write_connection (NMConnection *connection,
 
 	write_connection_setting (s_con, ifcfg);
 
+	NM_SET_OUT (out_ifcfg, g_steal_pointer (&ifcfg));
+	NM_SET_OUT (out_blobs, g_steal_pointer (&blobs));
+	NM_SET_OUT (out_secrets, g_steal_pointer (&secrets));
+	NM_SET_OUT (out_route_ignore, route_ignore);
+	NM_SET_OUT (out_route_content_svformat, g_steal_pointer (&route_content_svformat));
+	NM_SET_OUT (out_route_content, g_steal_pointer (&route_content));
+	NM_SET_OUT (out_route6_content, g_steal_pointer (&route6_content));
+	return TRUE;
+}
+
+static gboolean
+do_write_to_disk (NMConnection *connection,
+                  shvarFile *ifcfg,
+                  GHashTable *blobs,
+                  GHashTable *secrets,
+                  gboolean route_ignore,
+                  shvarFile *route_content_svformat,
+                  GString *route_content,
+                  GString *route6_content,
+                  GError **error)
+{
+	/* From here on, we persist data to disk. Before, it was all in-memory
+	 * only. But we loaded the ifcfg files from disk, and managled our
+	 * new settings (in-momory). */
+
 	if (!svWriteFile (ifcfg, 0644, error))
 		return FALSE;
 
-	if (out_reread || out_reread_same) {
-		gs_unref_object NMConnection *reread = NULL;
-		gs_free_error GError *local = NULL;
-		gs_free char *unhandled = NULL;
-		gboolean reread_same = FALSE;
-
-		reread = connection_from_file (ifcfg_name, &unhandled, &local, NULL);
-
-		if (unhandled) {
-			_LOGW ("failure to re-read the new connection from file \"%s\": %s",
-			       ifcfg_name, "connection is unhandled");
-			g_clear_object (&reread);
-		} else if (!reread) {
-			_LOGW ("failure to re-read the new connection from file \"%s\": %s",
-			       ifcfg_name, local ? local->message : "<unknown>");
-		} else {
-			if (out_reread_same) {
-				if (nm_connection_compare (reread, connection, NM_SETTING_COMPARE_FLAG_EXACT))
-					reread_same = TRUE;
+	write_ip4_aliases (connection, svFileGetName (ifcfg));
 
-				nm_assert (reread_same == nm_connection_compare (connection, reread, NM_SETTING_COMPARE_FLAG_EXACT));
-				nm_assert (reread_same == ({
-				                                gs_unref_hashtable GHashTable *_settings = NULL;
+	if (!write_blobs (blobs, error))
+		return FALSE;
 
-				                                (   nm_connection_diff (reread, connection, NM_SETTING_COMPARE_FLAG_EXACT, &_settings)
-				                                 && !_settings);
-				                           }));
+	if (!write_secrets (ifcfg, secrets, error))
+		return FALSE;
+
+	if (!route_ignore) {
+		gs_free char *route_path = utils_get_route_path (svFileGetName (ifcfg));
+
+		if (!route_content && !route_content_svformat)
+			(void) unlink (route_path);
+		else {
+			nm_assert (route_content_svformat || route_content);
+			if (route_content_svformat) {
+				if (!svWriteFile (route_content_svformat, 0644, error))
+					return FALSE;
+			} else {
+				if (!g_file_set_contents (route_path, route_content->str, route_content->len, NULL)) {
+					g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+					             "Writing route file '%s' failed", route_path);
+					return FALSE;
+				}
 			}
 		}
-
-		NM_SET_OUT (out_reread, g_steal_pointer (&reread));
-		NM_SET_OUT (out_reread_same, reread_same);
 	}
 
-	/* Only return the filename if this was a newly written ifcfg */
-	if (out_filename && !filename)
-		*out_filename = g_steal_pointer (&ifcfg_name);
+	if (!route_ignore) {
+		gs_free char *route6_path = utils_get_route6_path (svFileGetName (ifcfg));
+
+		if (!route6_content)
+			(void) unlink (route6_path);
+		else {
+			if (!g_file_set_contents (route6_path, route6_content->str, route6_content->len, NULL)) {
+				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+				             "Writing route6 file '%s' failed", route6_path);
+				return FALSE;
+			}
+		}
+	}
 
 	return TRUE;
 }
 
-gboolean
-writer_can_write_connection (NMConnection *connection, GError **error)
+static gboolean
+do_write_reread (NMConnection *connection,
+                 const char *ifcfg_name,
+                 NMConnection **out_reread,
+                 gboolean *out_reread_same,
+                 GError **error)
 {
-	NMSettingConnection *s_con;
+	gs_unref_object NMConnection *reread = NULL;
+	gs_free_error GError *local = NULL;
+	gs_free char *unhandled = NULL;
+	gboolean reread_same = FALSE;
 
-	if (   (   nm_connection_is_type (connection, NM_SETTING_WIRED_SETTING_NAME)
-	        && !nm_connection_get_setting_pppoe (connection))
-	    || nm_connection_is_type (connection, NM_SETTING_VLAN_SETTING_NAME)
-	    || nm_connection_is_type (connection, NM_SETTING_WIRELESS_SETTING_NAME)
-	    || nm_connection_is_type (connection, NM_SETTING_INFINIBAND_SETTING_NAME)
-	    || nm_connection_is_type (connection, NM_SETTING_BOND_SETTING_NAME)
-	    || nm_connection_is_type (connection, NM_SETTING_TEAM_SETTING_NAME)
-	    || nm_connection_is_type (connection, NM_SETTING_BRIDGE_SETTING_NAME))
-		return TRUE;
+	nm_assert (!out_reread || !*out_reread);
 
-	s_con = nm_connection_get_setting_connection (connection);
-	g_assert (s_con);
-	g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-	             "The ifcfg-rh plugin cannot write the connection '%s' (type '%s' pppoe %d)",
-	             nm_connection_get_id (connection),
-	             nm_setting_connection_get_connection_type (s_con),
-	             !!nm_connection_get_setting_pppoe (connection));
-	return FALSE;
+	reread = connection_from_file (ifcfg_name, &unhandled, &local, NULL);
+
+	if (!reread) {
+		g_propagate_error (error, local);
+		local = NULL;
+		return FALSE;
+	}
+	if (unhandled) {
+		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+		             "connection is unhandled");
+		return FALSE;
+	}
+	if (out_reread_same) {
+		if (nm_connection_compare (reread, connection, NM_SETTING_COMPARE_FLAG_EXACT))
+			reread_same = TRUE;
+
+		nm_assert (reread_same == nm_connection_compare (connection, reread, NM_SETTING_COMPARE_FLAG_EXACT));
+		nm_assert (reread_same == ({
+		                                gs_unref_hashtable GHashTable *_settings = NULL;
+
+		                                (   nm_connection_diff (reread, connection, NM_SETTING_COMPARE_FLAG_EXACT, &_settings)
+		                                 && !_settings);
+		                           }));
+	}
+
+	NM_SET_OUT (out_reread, g_steal_pointer (&reread));
+	NM_SET_OUT (out_reread_same, reread_same);
+	return TRUE;
 }
 
 gboolean
-writer_new_connection (NMConnection *connection,
-                       const char *ifcfg_dir,
-                       char **out_filename,
-                       NMConnection **out_reread,
-                       gboolean *out_reread_same,
-                       GError **error)
+nms_ifcfg_rh_writer_write_connection (NMConnection *connection,
+                                      const char *ifcfg_dir,
+                                      const char *filename,
+                                      char **out_filename,
+                                      NMConnection **out_reread,
+                                      gboolean *out_reread_same,
+                                      GError **error)
 {
-	return write_connection (connection, ifcfg_dir, NULL, out_filename, out_reread, out_reread_same, error);
+	nm_auto_shvar_file_close shvarFile *ifcfg = NULL;
+	nm_auto_free_gstring GString *route_content = NULL;
+	gboolean route_ignore = FALSE;
+	nm_auto_shvar_file_close shvarFile *route_content_svformat = NULL;
+	nm_auto_free_gstring GString *route6_content = NULL;
+	gs_unref_hashtable GHashTable *secrets = NULL;
+	gs_unref_hashtable GHashTable *blobs = NULL;
+	GError *local = NULL;
+
+	nm_assert (!out_reread || !*out_reread);
+
+	if (!do_write_construct (connection,
+	                         ifcfg_dir,
+	                         filename,
+	                         &ifcfg,
+	                         &blobs,
+	                         &secrets,
+	                         &route_ignore,
+	                         &route_content_svformat,
+	                         &route_content,
+	                         &route6_content,
+	                         error))
+		return FALSE;
+
+	_LOGT ("write: write connection %s (%s) to file \"%s\"",
+	       nm_connection_get_id (connection),
+	       nm_connection_get_uuid (connection),
+	       svFileGetName (ifcfg));
+
+	if (!do_write_to_disk (connection,
+	                       ifcfg,
+	                       blobs,
+	                       secrets,
+	                       route_ignore,
+	                       route_content_svformat,
+	                       route_content,
+	                       route6_content,
+	                       error))
+		return FALSE;
+
+	/* Note that we just wrote the connection to disk, and re-read it from there.
+	 * That is racy if somebody else modifies the connection.
+	 *
+	 * A better solution might be, to re-read the connection only based on the
+	 * in-memory representation of what we collected above. But the reader
+	 * does not yet allow to inject the configuration. */
+	if (out_reread || out_reread_same) {
+		if (!do_write_reread (connection,
+		                         svFileGetName (ifcfg),
+		                         out_reread,
+		                         out_reread_same,
+		                         &local)) {
+			_LOGW ("write: failure to re-read connection \"%s\": %s",
+			       svFileGetName (ifcfg), local->message);
+			g_clear_error (&local);
+		} else {
+			if (   out_reread_same
+			    && !*out_reread_same) {
+				_LOGD ("write: connection %s (%s) was modified by persisting it to \"%s\" ",
+				       nm_connection_get_id (connection),
+				       nm_connection_get_uuid (connection),
+				       svFileGetName (ifcfg));
+			}
+		}
+	}
+
+	/* Only return the filename if this was a newly written ifcfg */
+	if (out_filename && !filename)
+		*out_filename = g_strdup (svFileGetName (ifcfg));
+
+	return TRUE;
 }
 
 gboolean
-writer_update_connection (NMConnection *connection,
-                          const char *ifcfg_dir,
-                          const char *filename,
-                          NMConnection **out_reread,
-                          gboolean *out_reread_same,
-                          GError **error)
+nms_ifcfg_rh_writer_can_write_connection (NMConnection *connection, GError **error)
 {
-	if (utils_has_complex_routes (filename)) {
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
-		             "Cannot modify a connection that has an associated 'rule-' or 'rule6-' file");
-		return FALSE;
-	}
+	const char *type, *id;
+
+	type = nm_connection_get_connection_type (connection);
+	if (NM_IN_STRSET (type,
+	                  NM_SETTING_VLAN_SETTING_NAME,
+	                  NM_SETTING_WIRELESS_SETTING_NAME,
+	                  NM_SETTING_INFINIBAND_SETTING_NAME,
+	                  NM_SETTING_BOND_SETTING_NAME,
+	                  NM_SETTING_TEAM_SETTING_NAME,
+	                  NM_SETTING_BRIDGE_SETTING_NAME))
+		return TRUE;
+	if (   nm_streq0 (type, NM_SETTING_WIRED_SETTING_NAME)
+	    && !nm_connection_get_setting_pppoe (connection))
+		return TRUE;
 
-	return write_connection (connection, ifcfg_dir, filename, NULL, out_reread, out_reread_same, error);
+	id = nm_connection_get_id (connection);
+	g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+	             "The ifcfg-rh plugin cannot write the connection %s%s%s (type %s%s%s)",
+	             NM_PRINT_FMT_QUOTE_STRING (id),
+	             NM_PRINT_FMT_QUOTE_STRING (type));
+	return FALSE;
 }
 
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.h b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.h
index 9cd9513e..d7a255a9 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.h
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.h
@@ -18,26 +18,20 @@
  * Copyright (C) 2009 Red Hat, Inc.
  */
 
-#ifndef _WRITER_H_
-#define _WRITER_H_
+#ifndef __NMS_IFCFG_RH_WRITER_H__
+#define __NMS_IFCFG_RH_WRITER_H__
 
 #include "nm-connection.h"
 
-gboolean writer_can_write_connection (NMConnection *connection,
-                                      GError **error);
+gboolean nms_ifcfg_rh_writer_can_write_connection (NMConnection *connection,
+                                                   GError **error);
 
-gboolean writer_new_connection (NMConnection *connection,
-                                const char *ifcfg_dir,
-                                char **out_filename,
-                                NMConnection **out_reread,
-                                gboolean *out_reread_same,
-                                GError **error);
+gboolean nms_ifcfg_rh_writer_write_connection (NMConnection *connection,
+                                               const char *ifcfg_dir,
+                                               const char *filename,
+                                               char **out_filename,
+                                               NMConnection **out_reread,
+                                               gboolean *out_reread_same,
+                                               GError **error);
 
-gboolean writer_update_connection (NMConnection *connection,
-                                   const char *ifcfg_dir,
-                                   const char *filename,
-                                   NMConnection **out_reread,
-                                   gboolean *out_reread_same,
-                                   GError **error);
-
-#endif /* _WRITER_H_ */
+#endif /* __NMS_IFCFG_RH_WRITER_H__ */
diff --git a/src/settings/plugins/ifcfg-rh/shvar.c b/src/settings/plugins/ifcfg-rh/shvar.c
index 47ad5a23..df03bf65 100644
--- a/src/settings/plugins/ifcfg-rh/shvar.c
+++ b/src/settings/plugins/ifcfg-rh/shvar.c
@@ -38,10 +38,15 @@
 
 #include "nm-core-internal.h"
 #include "nm-core-utils.h"
+#include "nm-utils/nm-enum-utils.h"
+#include "nm-utils/c-list.h"
 
 /*****************************************************************************/
 
 struct _shvarLine {
+
+	CList lst;
+
 	/* There are three cases:
 	 *
 	 * 1) the line is not a valid variable assignment (that is, it doesn't
@@ -68,7 +73,7 @@ typedef struct _shvarLine shvarLine;
 struct _shvarFile {
 	char      *fileName;
 	int        fd;
-	GList     *lineList;
+	CList      lst_head;
 	gboolean   modified;
 };
 
@@ -627,6 +632,7 @@ svFile_new (const char *name)
 	s = g_slice_new0 (shvarFile);
 	s->fd = -1;
 	s->fileName = g_strdup (name);
+	c_list_init (&s->lst_head);
 	return s;
 }
 
@@ -639,7 +645,7 @@ svFileGetName (const shvarFile *s)
 }
 
 void
-svFileSetName_test_only (shvarFile *s, const char *fileName)
+_nmtst_svFileSetName (shvarFile *s, const char *fileName)
 {
 	/* changing the file name is not supported for regular
 	 * operation. Only allowed to use in tests, othewise,
@@ -649,7 +655,7 @@ svFileSetName_test_only (shvarFile *s, const char *fileName)
 }
 
 void
-svFileSetModified_test_only (shvarFile *s)
+_nmtst_svFileSetModified (shvarFile *s)
 {
 	/* marking a file as modified is only for testing. */
 	s->modified = TRUE;
@@ -687,6 +693,7 @@ line_new_parse (const char *value, gsize len)
 	nm_assert (value);
 
 	line = g_slice_new0 (shvarLine);
+	c_list_init (&line->lst);
 
 	for (k = 0; k < len; k++) {
 		if (g_ascii_isspace (value[k]))
@@ -724,6 +731,7 @@ line_new_build (const char *key, const char *value)
 	value = svEscape (value, &value_escaped);
 
 	line = g_slice_new (shvarLine);
+	c_list_init (&line->lst);
 	line->line = value_escaped ?: g_strdup (value);
 	line->key_with_prefix = g_strdup (key);
 	line->key = line->key_with_prefix;
@@ -768,6 +776,7 @@ line_free (shvarLine *line)
 	ASSERT_shvarLine (line);
 	g_free (line->line);
 	g_free (line->key_with_prefix);
+	c_list_unlink (&line->lst);
 	g_slice_free (shvarLine, line);
 }
 
@@ -785,9 +794,8 @@ svOpenFileInternal (const char *name, gboolean create, GError **error)
 	int errsv = 0;
 	char *arena;
 	const char *p, *q;
-	GError *local = NULL;
+	gs_free_error GError *local = NULL;
 	nm_auto_close int fd = -1;
-	GList *lineList = NULL;
 
 	if (create)
 		fd = open (name, O_RDWR | O_CLOEXEC); /* NOT O_CREAT */
@@ -810,34 +818,35 @@ svOpenFileInternal (const char *name, gboolean create, GError **error)
 		return NULL;
 	}
 
-	if (nm_utils_fd_get_contents (fd,
+	if (nm_utils_fd_get_contents (closefd ? nm_steal_fd (&fd) : fd,
+	                              closefd,
 	                              10 * 1024 * 1024,
 	                              &arena,
 	                              NULL,
 	                              &local) < 0) {
+		if (create)
+			return svFile_new (name);
+
 		g_set_error (error, G_FILE_ERROR,
 		             local->domain == G_FILE_ERROR ? local->code : G_FILE_ERROR_FAILED,
 		             "Could not read file '%s': %s",
 		             name, local->message);
-		g_error_free (local);
 		return NULL;
 	}
 
+	s = svFile_new (name);
+
 	for (p = arena; (q = strchr (p, '\n')) != NULL; p = q + 1)
-		lineList = g_list_prepend (lineList, line_new_parse (p, q - p));
+		c_list_link_tail (&s->lst_head, &line_new_parse (p, q - p)->lst);
 	if (p[0])
-		lineList = g_list_prepend (lineList, line_new_parse (p, strlen (p)));
+		c_list_link_tail (&s->lst_head, &line_new_parse (p, strlen (p))->lst);
 	g_free (arena);
-	lineList = g_list_reverse (lineList);
-
-	s = svFile_new (name);
-	s->lineList = lineList;
 
 	/* closefd is set if we opened the file read-only, so go ahead and
 	 * close it, because we can't write to it anyway */
 	if (!closefd) {
-		s->fd = fd;
-		fd = -1;
+		nm_assert (fd > 0);
+		s->fd = nm_steal_fd (&fd);
 	}
 
 	return s;
@@ -861,42 +870,22 @@ svCreateFile (const char *name)
 
 /*****************************************************************************/
 
-static const GList *
-shlist_find (const GList *current, const char *key)
-{
-	nm_assert (_shell_is_name (key, -1));
-
-	if (current) {
-		do {
-			shvarLine *line = current->data;
-
-			ASSERT_shvarLine (line);
-			if (line->key && nm_streq (line->key, key))
-				return current;
-			current = current->next;
-		} while (current);
-	}
-	return NULL;
-}
-
-/*****************************************************************************/
-
 GHashTable *
 svGetKeys (shvarFile *s)
 {
 	GHashTable *keys = NULL;
-	const GList *current;
+	CList *current;
 	const shvarLine *line;
 
 	nm_assert (s);
 
-	for (current = s->lineList; current; current = current->next) {
-		line = current->data;
+	c_list_for_each (current, &s->lst_head) {
+		line = c_list_entry (current, shvarLine, lst);
 		if (line->key && line->line) {
 			/* we don't clone the keys. The keys are only valid
 			 * until @s gets modified. */
 			if (!keys)
-				keys = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
+				keys = g_hash_table_new_full (nm_str_hash, g_str_equal, NULL, NULL);
 			g_hash_table_add (keys, (gpointer) line->key);
 		}
 	}
@@ -908,14 +897,14 @@ svGetKeys (shvarFile *s)
 const char *
 svFindFirstKeyWithPrefix (shvarFile *s, const char *key_prefix)
 {
-	const GList *current;
+	CList *current;
 	const shvarLine *l;
 
 	g_return_val_if_fail (s, NULL);
 	g_return_val_if_fail (key_prefix, NULL);
 
-	for (current = s->lineList; current; current = current->next) {
-		l = current->data;
+	c_list_for_each (current, &s->lst_head) {
+		l = c_list_entry (current, shvarLine, lst);
 		if (   l->key
 		    && l->line
 		    && g_str_has_prefix (l->key, key_prefix))
@@ -930,34 +919,31 @@ svFindFirstKeyWithPrefix (shvarFile *s, const char *key_prefix)
 static const char *
 _svGetValue (shvarFile *s, const char *key, char **to_free)
 {
-	const GList *current, *last;
-	const shvarLine *line;
+	CList *current;
+	const shvarLine *line, *l;
+	const char *v;
 
 	nm_assert (s);
 	nm_assert (_shell_is_name (key, -1));
 	nm_assert (to_free);
 
-	last = NULL;
-	current = s->lineList;
-	while ((current = shlist_find (current, key))) {
-		last = current;
-		current = current->next;
+	line = NULL;
+	c_list_for_each (current, &s->lst_head) {
+		l = c_list_entry (current, shvarLine, lst);
+		if (l->key && nm_streq (l->key, key))
+			line = l;
 	}
-	if (last) {
-		line = last->data;
-		if (line->line) {
-			const char *v;
-
-			v = svUnescape (line->line, to_free);
-			if (!v) {
-				/* a wrongly quoted value is treated like the empty string.
-				 * See also svWriteFile(), which handles unparsable values
-				 * that way. */
-				nm_assert (!*to_free);
-				return "";
-			}
-			return v;
+
+	if (line && line->line) {
+		v = svUnescape (line->line, to_free);
+		if (!v) {
+			/* a wrongly quoted value is treated like the empty string.
+			 * See also svWriteFile(), which handles unparsable values
+			 * that way. */
+			nm_assert (!*to_free);
+			return "";
 		}
+		return v;
 	}
 	*to_free = NULL;
 	return NULL;
@@ -1104,50 +1090,148 @@ svGetValueInt64 (shvarFile *s, const char *key, guint base, gint64 min, gint64 m
 	return result;
 }
 
+gboolean
+svGetValueEnum (shvarFile *s, const char *key,
+                GType gtype, int *out_value,
+                GError **error)
+{
+	gs_free char *to_free = NULL;
+	const char *svalue;
+	gs_free char *err_token = NULL;
+	int value;
+
+	svalue = _svGetValue (s, key, &to_free);
+	if (!svalue) {
+		/* don't touch out_value. The caller is supposed
+		 * to initialize it with the default value. */
+		return TRUE;
+	}
+
+	if (!nm_utils_enum_from_str (gtype, svalue, &value, &err_token)) {
+		g_set_error (error, NM_UTILS_ERROR, NM_UTILS_ERROR_UNKNOWN,
+		             "Invalid token \"%s\" in \"%s\" for %s",
+		             err_token, svalue, key);
+		return FALSE;
+	}
+
+	NM_SET_OUT (out_value, value);
+	return TRUE;
+}
+
 /*****************************************************************************/
 
+static gboolean
+_is_all_digits (const char *str)
+{
+	return    str[0]
+	       && NM_STRCHAR_ALL (str, ch, g_ascii_isdigit (ch));
+}
+
+#define IS_NUMBERED_TAG(key, tab_name) \
+	({ \
+		const char *_key = (key); \
+		\
+		(   (strncmp (_key, tab_name, NM_STRLEN (tab_name)) == 0) \
+		 && _is_all_digits (&_key[NM_STRLEN (tab_name)])); \
+	})
+
+gboolean
+svUnsetAll (shvarFile *s, SvKeyType match_key_type)
+{
+	CList *current;
+	shvarLine *line;
+	gboolean changed = FALSE;
+
+	g_return_val_if_fail (s, FALSE);
+
+	c_list_for_each (current, &s->lst_head) {
+		line = c_list_entry (current, shvarLine, lst);
+		ASSERT_shvarLine (line);
+		if (!line->key)
+			continue;
+
+		if (NM_FLAGS_HAS (match_key_type, SV_KEY_TYPE_ANY))
+			goto do_clear;
+		if (NM_FLAGS_HAS (match_key_type, SV_KEY_TYPE_ROUTE_SVFORMAT)) {
+			if (   IS_NUMBERED_TAG (line->key, "ADDRESS")
+			    || IS_NUMBERED_TAG (line->key, "NETMASK")
+			    || IS_NUMBERED_TAG (line->key, "GATEWAY")
+			    || IS_NUMBERED_TAG (line->key, "METRIC")
+			    || IS_NUMBERED_TAG (line->key, "OPTIONS"))
+				goto do_clear;
+		}
+		if (NM_FLAGS_HAS (match_key_type, SV_KEY_TYPE_IP4_ADDRESS)) {
+			if (   IS_NUMBERED_TAG (line->key, "IPADDR")
+			    || IS_NUMBERED_TAG (line->key, "PREFIX")
+			    || IS_NUMBERED_TAG (line->key, "NETMASK")
+			    || IS_NUMBERED_TAG (line->key, "GATEWAY"))
+				goto do_clear;
+		}
+		if (NM_FLAGS_HAS (match_key_type, SV_KEY_TYPE_USER)) {
+			if (g_str_has_prefix (line->key, "NM_USER_"))
+				goto do_clear;
+		}
+
+		continue;
+do_clear:
+		if (nm_clear_g_free (&line->line)) {
+			ASSERT_shvarLine (line);
+			changed = TRUE;
+		}
+	}
+
+	if (changed)
+		s->modified = TRUE;
+	return changed;
+}
+
 /* Same as svSetValueStr() but it preserves empty @value -- contrary to
  * svSetValueStr() for which "" effectively means to remove the value. */
-void
+gboolean
 svSetValue (shvarFile *s, const char *key, const char *value)
 {
-	GList *current, *last;
+	CList *current;
+	shvarLine *line, *l;
+	gboolean changed = FALSE;
 
-	g_return_if_fail (s != NULL);
-	g_return_if_fail (key != NULL);
+	g_return_val_if_fail (s, FALSE);
+	g_return_val_if_fail (key, FALSE);
 
 	nm_assert (_shell_is_name (key, -1));
 
-	last = NULL;
-	current = s->lineList;
-	while ((current = (GList *) shlist_find (current, key))) {
-		if (last) {
-			/* if we find multiple entries for the same key, we can
-			 * delete all but the last. */
-			line_free (last->data);
-			s->lineList = g_list_delete_link (s->lineList, last);
-			s->modified = TRUE;
+	line = NULL;
+	c_list_for_each (current, &s->lst_head) {
+		l = c_list_entry (current, shvarLine, lst);
+		if (l->key && nm_streq (l->key, key)) {
+			if (line) {
+				/* if we find multiple entries for the same key, we can
+				 * delete all but the last. */
+				line_free (line);
+				changed = TRUE;
+			}
+			line = l;
 		}
-		last = current;
-		current = current->next;
 	}
 
 	if (!value) {
-		if (last) {
-			shvarLine *line = last->data;
-
-			if (nm_clear_g_free (&line->line))
-				s->modified = TRUE;
+		if (line) {
+			if (nm_clear_g_free (&line->line)) {
+				changed = TRUE;
+			}
 		}
 	} else {
-		if (!last) {
-			s->lineList = g_list_append (s->lineList, line_new_build (key, value));
-			s->modified = TRUE;
+		if (!line) {
+			c_list_link_tail (&s->lst_head, &line_new_build (key, value)->lst);
+			changed = TRUE;
 		} else {
-			if (line_set (last->data, value))
-				s->modified = TRUE;
+			if (line_set (line, value))
+				changed = TRUE;
 		}
 	}
+
+	if (changed)
+		s->modified = TRUE;
+	return changed;
 }
 
 /* Set the variable <key> equal to the value <value>.
@@ -1155,51 +1239,48 @@ svSetValue (shvarFile *s, const char *key, const char *value)
  * the key=value pair after that line.  Otherwise, append the pair
  * to the bottom of the file.
  */
-void
+gboolean
 svSetValueStr (shvarFile *s, const char *key, const char *value)
 {
-	svSetValue (s, key, value && value[0] ? value : NULL);
+	return svSetValue (s, key, value && value[0] ? value : NULL);
 }
 
-void
+gboolean
 svSetValueInt64 (shvarFile *s, const char *key, gint64 value)
 {
 	char buf[NM_DECIMAL_STR_MAX (value)];
 
-	svSetValue (s, key, nm_sprintf_buf (buf, "%"G_GINT64_FORMAT, value));
+	return svSetValue (s, key, nm_sprintf_buf (buf, "%"G_GINT64_FORMAT, value));
 }
 
-void
-svSetValueBoolean (shvarFile *s, const char *key, gboolean value)
+gboolean
+svSetValueInt64_cond (shvarFile *s, const char *key, gboolean do_set, gint64 value)
 {
-	svSetValue (s, key, value ? "yes" : "no");
+	if (do_set)
+		return svSetValueInt64 (s, key, value);
+	else
+		return svUnsetValue (s, key);
 }
 
-void
-svUnsetValue (shvarFile *s, const char *key)
+gboolean
+svSetValueBoolean (shvarFile *s, const char *key, gboolean value)
 {
-	svSetValue (s, key, NULL);
+	return svSetValue (s, key, value ? "yes" : "no");
 }
 
-void
-svUnsetValuesWithPrefix (shvarFile *s, const char *prefix)
+gboolean
+svSetValueEnum (shvarFile *s, const char *key, GType gtype, int value)
 {
-	GList *current;
-
-	g_return_if_fail (s);
-	g_return_if_fail (prefix);
+	gs_free char *v = NULL;
 
-	for (current = s->lineList; current; current = current->next) {
-		shvarLine *line = current->data;
+	v = _nm_utils_enum_to_str_full (gtype, value, " ");
+	return svSetValueStr (s, key, v);
+}
 
-		ASSERT_shvarLine (line);
-		if (   line->key
-		    && g_str_has_prefix (line->key, prefix)) {
-			if (nm_clear_g_free (&line->line))
-				s->modified = TRUE;
-		}
-		ASSERT_shvarLine (line);
-	}
+gboolean
+svUnsetValue (shvarFile *s, const char *key)
+{
+	return svSetValue (s, key, NULL);
 }
 
 /*****************************************************************************/
@@ -1215,7 +1296,7 @@ svWriteFile (shvarFile *s, int mode, GError **error)
 {
 	FILE *f;
 	int tmpfd;
-	const GList *current;
+	CList *current;
 
 	if (s->modified) {
 		if (s->fd == -1)
@@ -1248,8 +1329,8 @@ svWriteFile (shvarFile *s, int mode, GError **error)
 		}
 		f = fdopen (tmpfd, "w");
 		fseek (f, 0, SEEK_SET);
-		for (current = s->lineList; current; current = current->next) {
-			const shvarLine *line = current->data;
+		c_list_for_each (current, &s->lst_head) {
+			const shvarLine *line = c_list_entry (current, shvarLine, lst);
 			const char *str;
 			char *s_tmp;
 			gboolean valid_value;
@@ -1288,11 +1369,13 @@ svWriteFile (shvarFile *s, int mode, GError **error)
 void
 svCloseFile (shvarFile *s)
 {
+	CList *current, *safe;
+
 	g_return_if_fail (s != NULL);
 
-	if (s->fd != -1)
-		close (s->fd);
+	nm_close (s->fd);
 	g_free (s->fileName);
-	g_list_free_full (s->lineList, (GDestroyNotify) line_free);
+	c_list_for_each_safe (current, safe, &s->lst_head)
+		line_free (c_list_entry (current, shvarLine, lst));
 	g_slice_free (shvarFile, s);
 }
diff --git a/src/settings/plugins/ifcfg-rh/shvar.h b/src/settings/plugins/ifcfg-rh/shvar.h
index a13920a1..c48bbfd3 100644
--- a/src/settings/plugins/ifcfg-rh/shvar.h
+++ b/src/settings/plugins/ifcfg-rh/shvar.h
@@ -35,8 +35,8 @@ typedef struct _shvarFile shvarFile;
 
 const char *svFileGetName (const shvarFile *s);
 
-void svFileSetName_test_only (shvarFile *s, const char *fileName);
-void svFileSetModified_test_only (shvarFile *s);
+void _nmtst_svFileSetName (shvarFile *s, const char *fileName);
+void _nmtst_svFileSetModified (shvarFile *s);
 
 /* Create the file <name>, return a shvarFile (never fails) */
 shvarFile *svCreateFile (const char *name);
@@ -68,19 +68,32 @@ gint svGetValueBoolean (shvarFile *s, const char *key, gint def);
 
 gint64 svGetValueInt64 (shvarFile *s, const char *key, guint base, gint64 min, gint64 max, gint64 fallback);
 
+gboolean svGetValueEnum (shvarFile *s, const char *key,
+                         GType gtype, int *out_value,
+                         GError **error);
+
 /* Set the variable <key> equal to the value <value>.
  * If <key> does not exist, and the <current> pointer is set, append
  * the key=value pair after that line.  Otherwise, prepend the pair
  * to the top of the file.
  */
-void svSetValue (shvarFile *s, const char *key, const char *value);
-void svSetValueStr (shvarFile *s, const char *key, const char *value);
-void svSetValueBoolean (shvarFile *s, const char *key, gboolean value);
-void svSetValueInt64 (shvarFile *s, const char *key, gint64 value);
-
-void svUnsetValue (shvarFile *s, const char *key);
-
-void svUnsetValuesWithPrefix (shvarFile *s, const char *prefix);
+gboolean svSetValue (shvarFile *s, const char *key, const char *value);
+gboolean svSetValueStr (shvarFile *s, const char *key, const char *value);
+gboolean svSetValueBoolean (shvarFile *s, const char *key, gboolean value);
+gboolean svSetValueInt64 (shvarFile *s, const char *key, gint64 value);
+gboolean svSetValueInt64_cond (shvarFile *s, const char *key, gboolean do_set, gint64 value);
+gboolean svSetValueEnum (shvarFile *s, const char *key, GType gtype, int value);
+
+gboolean svUnsetValue (shvarFile *s, const char *key);
+
+typedef enum {
+	SV_KEY_TYPE_ANY                     = (1LL << 0),
+	SV_KEY_TYPE_ROUTE_SVFORMAT          = (1LL << 1),
+	SV_KEY_TYPE_IP4_ADDRESS             = (1LL << 2),
+	SV_KEY_TYPE_USER                    = (1LL << 3),
+} SvKeyType;
+
+gboolean svUnsetAll (shvarFile *s, SvKeyType match_key_type);
 
 /* Write the current contents iff modified.  Returns FALSE on error
  * and TRUE on success.  Do not write if no values have been modified.
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_Bond_Main.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_Bond_Main.cexpected
index 3956003d..854d2490 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_Bond_Main.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_Bond_Main.cexpected
@@ -1,4 +1,3 @@
-DEVICE=bond0
 BONDING_OPTS=mode=balance-rr
 TYPE=Bond
 BONDING_MASTER=yes
@@ -13,4 +12,5 @@ IPV4_FAILURE_FATAL=no
 IPV6INIT=no
 NAME="Test Write Bond Main"
 UUID=${UUID}
+DEVICE=bond0
 ONBOOT=yes
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Vlan_test-vlan-interface.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Vlan_test-vlan-interface.cexpected
index 60091b7b..793713ea 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Vlan_test-vlan-interface.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Vlan_test-vlan-interface.cexpected
@@ -1,6 +1,5 @@
 VLAN=yes
 TYPE=Vlan
-DEVICE=vlan43
 PHYSDEV=eth9
 VLAN_ID=43
 REORDER_HDR=yes
@@ -19,4 +18,5 @@ IPV4_FAILURE_FATAL=no
 IPV6INIT=no
 NAME="Vlan test-vlan-interface"
 UUID=${UUID}
+DEVICE=vlan43
 ONBOOT=yes
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-team-slave-enp31s0f1-142.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-team-slave-enp31s0f1-142.cexpected
index 367d0ddb..87980dc4 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-team-slave-enp31s0f1-142.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-team-slave-enp31s0f1-142.cexpected
@@ -1,5 +1,4 @@
 VLAN=yes
-DEVICE=enp31s0f1-142
 PHYSDEV=enp31s0f1
 VLAN_ID=142
 REORDER_HDR=yes
@@ -7,6 +6,7 @@ GVRP=no
 MVRP=no
 NAME=team-slave-enp31s0f1-142
 UUID=74f435bb-ede4-415a-9d48-f580b60eba04
+DEVICE=enp31s0f1-142
 ONBOOT=no
 TEAM_MASTER=team142
 DEVICETYPE=TeamPort
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-bridge-main b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-bridge-main
index 1d31b5ba..2bc987c2 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-bridge-main
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-bridge-main
@@ -4,5 +4,5 @@ TYPE=Bridge
 BOOTPROTO=dhcp
 STP=on
 DELAY=2
-BRIDGING_OPTS="priority=32744 hello_time=7 max_age=39 ageing_time=235352 multicast_snooping=0"
+BRIDGING_OPTS="priority=32744 hello_time=7 max_age=39 ageing_time=235352 multicast_snooping=0 group_fwd_mask=24"
 MACADDR=00:16:41:11:22:33
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wired-802-1x-password-raw b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wired-802-1x-password-raw
new file mode 100644
index 00000000..181ffbef
--- /dev/null
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wired-802-1x-password-raw
@@ -0,0 +1,13 @@
+# Intel Corporation 82540EP Gigabit Ethernet Controller (Mobile)
+TYPE=Ethernet
+DEVICE=eth0
+HWADDR=00:11:22:33:44:ee
+BOOTPROTO=dhcp
+ONBOOT=yes
+NM_CONTROLLED=yes
+KEY_MGMT=IEEE8021X
+IEEE_8021X_EAP_METHODS=TTLS
+IEEE_8021X_IDENTITY="Bill Smith"
+IEEE_8021X_CA_CERT=test_ca_cert.pem
+IEEE_8021X_INNER_AUTH_METHODS=EAP-GTC
+IEEE_8021X_PASSWORD_RAW=0408151623420001
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/route-test-wired-static-routes-legacy b/src/settings/plugins/ifcfg-rh/tests/network-scripts/route-test-wired-static-routes-legacy
index 3f02032a..faa247d8 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/route-test-wired-static-routes-legacy
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/route-test-wired-static-routes-legacy
@@ -5,3 +5,4 @@
 	via 8.8.8.8 to 32.42.52.62
  43.53.0.0/16 metric 3 via 7.7.7.7 dev eth2 cwnd 14 mtu lock 9000  initrwnd 20 window lock 10000 initcwnd lock 42 src 1.2.3.4
 
+7.7.7.8/32 via (null) metric 18
diff --git a/src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c b/src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
index 496a164b..52dbd932 100644
--- a/src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
+++ b/src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
@@ -232,7 +232,7 @@ _assert_expected_content (NMConnection *connection, const char *filename, const
 		g_assert (_ifcfg_dir && _ifcfg_dir[0]); \
 		g_assert (_filename && _filename[0]); \
 		\
-		_success = writer_update_connection (_connection, _ifcfg_dir, _filename, _out_reread, _out_reread_same, &_error); \
+		_success = nms_ifcfg_rh_writer_write_connection (_connection, _ifcfg_dir, _filename, NULL, _out_reread, _out_reread_same, &_error); \
 		nmtst_assert_success (_success, _error); \
 		_assert_expected_content (_connection, _filename, _expected); \
 	} G_STMT_END
@@ -260,8 +260,8 @@ _connection_from_file (const char *filename,
 
 	g_assert (!out_unhandled || !*out_unhandled);
 
-	connection = connection_from_file_test (filename, network_file, test_type,
-	                                        out_unhandled ?: &unhandled_fallback, &error);
+	connection = nmtst_connection_from_file (filename, network_file, test_type,
+	                                         out_unhandled ?: &unhandled_fallback, &error);
 	g_assert_no_error (error);
 	g_assert (!unhandled_fallback);
 
@@ -282,7 +282,7 @@ _connection_from_file_fail (const char *filename,
 	GError *local = NULL;
 	char *unhandled = NULL;
 
-	connection = connection_from_file_test (filename, network_file, test_type, &unhandled, &local);
+	connection = nmtst_connection_from_file (filename, network_file, test_type, &unhandled, &local);
 
 	g_assert (!connection);
 	g_assert (local);
@@ -310,12 +310,13 @@ _writer_new_connection_reread (NMConnection *connection,
 
 	con_verified = nmtst_connection_duplicate_and_normalize (connection);
 
-	success = writer_new_connection (con_verified,
-	                                 ifcfg_dir,
-	                                 &filename,
-	                                 reread,
-	                                 out_reread_same,
-	                                 &error);
+	success = nms_ifcfg_rh_writer_write_connection (con_verified,
+	                                                ifcfg_dir,
+	                                                NULL,
+	                                                &filename,
+	                                                reread,
+	                                                out_reread_same,
+	                                                &error);
 	nmtst_assert_success (success, error);
 	g_assert (filename && filename[0]);
 
@@ -384,12 +385,13 @@ _writer_new_connection_fail (NMConnection *connection,
 
 	connection_normalized = nmtst_connection_duplicate_and_normalize (connection);
 
-	success = writer_new_connection (connection_normalized,
-	                                 ifcfg_dir,
-	                                 &filename,
-	                                 &reread,
-	                                 NULL,
-	                                 &local);
+	success = nms_ifcfg_rh_writer_write_connection (connection_normalized,
+	                                                ifcfg_dir,
+	                                                NULL,
+	                                                &filename,
+	                                                &reread,
+	                                                NULL,
+	                                                &local);
 	nmtst_assert_no_success (success, local);
 	g_assert (!filename);
 	g_assert (!reread);
@@ -1376,7 +1378,7 @@ test_read_wired_static_routes_legacy (void)
 	g_assert_cmpstr (nm_setting_ip_config_get_method (s_ip4), ==, NM_SETTING_IP4_CONFIG_METHOD_MANUAL);
 
 	/* Routes */
-	g_assert_cmpint (nm_setting_ip_config_get_num_routes (s_ip4), ==, 3);
+	g_assert_cmpint (nm_setting_ip_config_get_num_routes (s_ip4), ==, 4);
 
 	/* Route #1 */
 	ip4_route = nm_setting_ip_config_get_route (s_ip4, 0);
@@ -1410,6 +1412,13 @@ test_read_wired_static_routes_legacy (void)
 	nmtst_assert_route_attribute_boolean (ip4_route, NM_IP_ROUTE_ATTRIBUTE_LOCK_MTU, TRUE);
 	nmtst_assert_route_attribute_string (ip4_route, NM_IP_ROUTE_ATTRIBUTE_SRC, "1.2.3.4");
 
+	ip4_route = nm_setting_ip_config_get_route (s_ip4, 3);
+	g_assert (ip4_route != NULL);
+	g_assert_cmpstr (nm_ip_route_get_dest (ip4_route), ==, "7.7.7.8");
+	g_assert_cmpint (nm_ip_route_get_prefix (ip4_route), ==, 32);
+	g_assert_cmpstr (nm_ip_route_get_next_hop (ip4_route), ==, NULL);
+	g_assert_cmpint (nm_ip_route_get_metric (ip4_route), ==, 18);
+
 	g_object_unref (connection);
 }
 
@@ -1954,6 +1963,46 @@ test_read_802_1x_ttls_eapgtc (void)
 }
 
 static void
+test_read_write_802_1x_password_raw (void)
+{
+	nmtst_auto_unlinkfile char *testfile = NULL;
+	nmtst_auto_unlinkfile char *keyfile = NULL;
+	gs_unref_object NMConnection *connection = NULL;
+	gs_unref_object NMConnection *reread = NULL;
+	NMSetting8021x *s_8021x;
+	GBytes *bytes;
+	gconstpointer data;
+	gsize size;
+
+	/* Test that the 802-1x.password-raw is correctly read and written. */
+
+	connection = _connection_from_file (TEST_IFCFG_DIR"/network-scripts/ifcfg-test-wired-802-1x-password-raw",
+	                                    NULL, TYPE_ETHERNET, NULL);
+
+	/* ===== 802.1x SETTING ===== */
+	s_8021x = nm_connection_get_setting_802_1x (connection);
+	g_assert (s_8021x);
+
+	bytes = nm_setting_802_1x_get_password_raw (s_8021x);
+	g_assert (bytes);
+	data = g_bytes_get_data (bytes, &size);
+	g_assert_cmpmem (data, size, "\x04\x08\x15\x16\x23\x42\x00\x01", 8);
+
+	g_assert_cmpint (nm_setting_802_1x_get_password_raw_flags (s_8021x),
+	                 ==,
+	                 NM_SETTING_SECRET_FLAG_NONE);
+
+	_writer_new_connection (connection,
+	                        TEST_SCRATCH_DIR "/network-scripts/",
+	                        &testfile);
+	reread = _connection_from_file (testfile, NULL, TYPE_ETHERNET, NULL);
+	keyfile = utils_get_keys_path (testfile);
+	g_assert (g_file_test (keyfile, G_FILE_TEST_EXISTS));
+
+	nmtst_assert_connection_equals (connection, TRUE, reread, FALSE);
+}
+
+static void
 test_read_wired_aliases_good (gconstpointer test_data)
 {
 	const int N = GPOINTER_TO_INT (test_data);
@@ -4108,7 +4157,6 @@ test_write_wired_static (void)
 
 	route6 = nm_ip_route_new (AF_INET6, "::", 128, "2222:aaaa::9999", 1, &error);
 	g_assert_no_error (error);
-	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_TOS, g_variant_new_byte (0xb8));
 	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_CWND, g_variant_new_uint32 (100));
 	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_MTU, g_variant_new_uint32 (1280));
 	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_LOCK_CWND, g_variant_new_boolean (TRUE));
@@ -4154,6 +4202,171 @@ test_write_wired_static (void)
 }
 
 static void
+test_write_wired_static_with_generic (void)
+{
+	nmtst_auto_unlinkfile char *testfile = NULL;
+	nmtst_auto_unlinkfile char *route6file = NULL;
+	gs_unref_object NMConnection *connection = NULL;
+	gs_unref_object NMConnection *reread = NULL;
+	NMSettingConnection *s_con;
+	NMSettingWired *s_wired;
+	NMSettingIPConfig *s_ip4, *reread_s_ip4;
+	NMSettingIPConfig *s_ip6, *reread_s_ip6;
+	NMIPAddress *addr;
+	NMIPAddress *addr6;
+	NMIPRoute *route6;
+	GError *error = NULL;
+
+	connection = nm_simple_connection_new ();
+
+	/* Connection setting */
+	s_con = (NMSettingConnection *) nm_setting_connection_new ();
+	nm_connection_add_setting (connection, NM_SETTING (s_con));
+
+	g_object_set (s_con,
+	              NM_SETTING_CONNECTION_ID, "Test Write Wired Static",
+	              NM_SETTING_CONNECTION_UUID, nm_utils_uuid_generate_a (),
+	              NM_SETTING_CONNECTION_AUTOCONNECT, TRUE,
+	              NM_SETTING_CONNECTION_AUTOCONNECT_RETRIES, 1,
+	              NM_SETTING_CONNECTION_TYPE, NM_SETTING_WIRED_SETTING_NAME,
+	              NULL);
+
+	/* Wired setting */
+	s_wired = (NMSettingWired *) nm_setting_wired_new ();
+	nm_connection_add_setting (connection, NM_SETTING (s_wired));
+
+	g_object_set (s_wired,
+	              NM_SETTING_WIRED_MAC_ADDRESS, "31:33:33:37:be:cd",
+	              NM_SETTING_WIRED_MTU, (guint32) 1492,
+	              NULL);
+
+	/* IP4 setting */
+	s_ip4 = (NMSettingIPConfig *) nm_setting_ip4_config_new ();
+	nm_connection_add_setting (connection, NM_SETTING (s_ip4));
+
+	g_object_set (s_ip4,
+	              NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_MANUAL,
+	              NM_SETTING_IP_CONFIG_MAY_FAIL, TRUE,
+	              NM_SETTING_IP_CONFIG_GATEWAY, "1.1.1.1",
+	              NM_SETTING_IP_CONFIG_ROUTE_METRIC, (gint64) 204,
+	              NULL);
+
+	addr = nm_ip_address_new (AF_INET, "1.1.1.3", 24, &error);
+	g_assert_no_error (error);
+	nm_setting_ip_config_add_address (s_ip4, addr);
+	nm_ip_address_unref (addr);
+
+	addr = nm_ip_address_new (AF_INET, "1.1.1.5", 24, &error);
+	g_assert_no_error (error);
+	nm_setting_ip_config_add_address (s_ip4, addr);
+	nm_ip_address_unref (addr);
+
+	nm_setting_ip_config_add_dns (s_ip4, "4.2.2.1");
+	nm_setting_ip_config_add_dns (s_ip4, "4.2.2.2");
+
+	nm_setting_ip_config_add_dns_search (s_ip4, "foobar.com");
+	nm_setting_ip_config_add_dns_search (s_ip4, "lab.foobar.com");
+
+	/* IP6 setting */
+	s_ip6 = (NMSettingIPConfig *) nm_setting_ip6_config_new ();
+	nm_connection_add_setting (connection, NM_SETTING (s_ip6));
+
+	g_object_set (s_ip6,
+	              NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_MANUAL,
+	              NM_SETTING_IP_CONFIG_MAY_FAIL, TRUE,
+	              NM_SETTING_IP_CONFIG_ROUTE_METRIC, (gint64) 206,
+	              NULL);
+
+	/* Add addresses */
+	addr6 = nm_ip_address_new (AF_INET6, "1003:1234:abcd::1", 11, &error);
+	g_assert_no_error (error);
+	nm_setting_ip_config_add_address (s_ip6, addr6);
+	nm_ip_address_unref (addr6);
+
+	addr6 = nm_ip_address_new (AF_INET6, "2003:1234:abcd::2", 22, &error);
+	g_assert_no_error (error);
+	nm_setting_ip_config_add_address (s_ip6, addr6);
+	nm_ip_address_unref (addr6);
+
+	addr6 = nm_ip_address_new (AF_INET6, "3003:1234:abcd::3", 33, &error);
+	g_assert_no_error (error);
+	nm_setting_ip_config_add_address (s_ip6, addr6);
+	nm_ip_address_unref (addr6);
+
+	/* Add routes */
+	route6 = nm_ip_route_new (AF_INET6,
+	                          "2222:aaaa:bbbb:cccc::", 64,
+	                          "2222:aaaa:bbbb:cccc:dddd:eeee:5555:6666", 99, &error);
+	g_assert_no_error (error);
+	nm_setting_ip_config_add_route (s_ip6, route6);
+	nm_ip_route_unref (route6);
+
+	route6 = nm_ip_route_new (AF_INET6, "::", 128, "2222:aaaa::9999", 1, &error);
+	g_assert_no_error (error);
+	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_CWND, g_variant_new_uint32 (100));
+	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_MTU, g_variant_new_uint32 (1280));
+	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_LOCK_CWND, g_variant_new_boolean (TRUE));
+	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_FROM, g_variant_new_string ("2222::bbbb/32"));
+	nm_ip_route_set_attribute (route6, NM_IP_ROUTE_ATTRIBUTE_SRC, g_variant_new_string ("::42"));
+	nm_setting_ip_config_add_route (s_ip6, route6);
+	nm_ip_route_unref (route6);
+
+	/* DNS servers */
+	nm_setting_ip_config_add_dns (s_ip6, "fade:0102:0103::face");
+	nm_setting_ip_config_add_dns (s_ip6, "cafe:ffff:eeee:dddd:cccc:bbbb:aaaa:feed");
+
+	/* DNS domains */
+	nm_setting_ip_config_add_dns_search (s_ip6, "foobar6.com");
+	nm_setting_ip_config_add_dns_search (s_ip6, "lab6.foobar.com");
+
+	nm_connection_add_setting (connection, nm_setting_generic_new ());
+
+	nmtst_assert_connection_verifies (connection);
+
+	_writer_new_connection_FIXME (connection,
+	                              TEST_SCRATCH_DIR "/network-scripts/",
+	                              &testfile);
+	route6file = utils_get_route6_path (testfile);
+
+	reread = _connection_from_file (testfile, NULL, TYPE_ETHERNET, NULL);
+
+	/* FIXME: currently DNS domains from IPv6 setting are stored in 'DOMAIN' key in ifcfg-file
+	 * However after re-reading they are dropped into IPv4 setting.
+	 * So, in order to comparison succeeded, move DNS domains back to IPv6 setting.
+	 */
+	reread_s_ip4 = nm_connection_get_setting_ip4_config (reread);
+	reread_s_ip6 = nm_connection_get_setting_ip6_config (reread);
+	nm_setting_ip_config_add_dns_search (reread_s_ip6, nm_setting_ip_config_get_dns_search (reread_s_ip4, 2));
+	nm_setting_ip_config_add_dns_search (reread_s_ip6, nm_setting_ip_config_get_dns_search (reread_s_ip4, 3));
+	nm_setting_ip_config_remove_dns_search (reread_s_ip4, 3);
+	nm_setting_ip_config_remove_dns_search (reread_s_ip4, 2);
+
+	g_assert_cmpint (nm_setting_ip_config_get_route_metric (reread_s_ip4), ==, 204);
+	g_assert_cmpint (nm_setting_ip_config_get_route_metric (reread_s_ip6), ==, 206);
+
+	nm_connection_add_setting (connection, nm_setting_proxy_new ());
+
+	{
+		gs_unref_hashtable GHashTable *diffs = NULL;
+
+		g_assert (!nm_connection_diff (connection, reread, NM_SETTING_COMPARE_FLAG_EXACT, &diffs));
+		g_assert (diffs);
+		g_assert (g_hash_table_size (diffs) == 1);
+		g_assert (g_hash_table_lookup (diffs, "generic"));
+		g_assert (!nm_connection_compare (connection, reread, NM_SETTING_COMPARE_FLAG_EXACT));
+	}
+	g_assert (!nm_connection_get_setting (reread, NM_TYPE_SETTING_GENERIC));
+	nm_connection_add_setting (reread, nm_setting_generic_new ());
+	{
+		gs_unref_hashtable GHashTable *diffs = NULL;
+
+		g_assert (nm_connection_diff (connection, reread, NM_SETTING_COMPARE_FLAG_EXACT, &diffs));
+		g_assert (!diffs);
+		g_assert (nm_connection_compare (connection, reread, NM_SETTING_COMPARE_FLAG_EXACT));
+	}
+}
+
+static void
 test_write_wired_dhcp (void)
 {
 	nmtst_auto_unlinkfile char *testfile = NULL;
@@ -5867,6 +6080,7 @@ test_write_wifi_wpa_psk (gconstpointer test_data)
 	g_object_set (s_wsec,
 	              NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "wpa-psk",
 	              NM_SETTING_WIRELESS_SECURITY_PSK, args.psk,
+	              NM_SETTING_WIRELESS_SECURITY_PMF, (int) NM_SETTING_WIRELESS_SECURITY_PMF_REQUIRED,
 	              NULL);
 
 	if (GPOINTER_TO_INT (args.wep_group_p)) {
@@ -7172,6 +7386,7 @@ test_read_bridge_main (void)
 	g_assert_cmpuint (nm_setting_bridge_get_hello_time (s_bridge), ==, 7);
 	g_assert_cmpuint (nm_setting_bridge_get_max_age (s_bridge), ==, 39);
 	g_assert_cmpuint (nm_setting_bridge_get_ageing_time (s_bridge), ==, 235352);
+	g_assert_cmpuint (nm_setting_bridge_get_group_forward_mask (s_bridge), ==, 24);
 	g_assert (!nm_setting_bridge_get_multicast_snooping (s_bridge));
 
 	/* MAC address */
@@ -7217,6 +7432,7 @@ test_write_bridge_main (void)
 
 	g_object_set (s_bridge,
 	              NM_SETTING_BRIDGE_MAC_ADDRESS, mac,
+	              NM_SETTING_BRIDGE_GROUP_FORWARD_MASK, 19008,
 	              NULL);
 
 	/* IP4 setting */
@@ -9147,8 +9363,8 @@ test_write_unknown (gconstpointer test_data)
 
 	sv = _svOpenFile (testfile);
 
-	svFileSetName_test_only (sv, filename_tmp_1);
-	svFileSetModified_test_only (sv);
+	_nmtst_svFileSetName (sv, filename_tmp_1);
+	_nmtst_svFileSetModified (sv);
 
 	if (g_str_has_suffix (testfile, "ifcfg-test-write-unknown-4")) {
 		_svGetValue_check (sv, "NAME", "l4x");
@@ -9429,6 +9645,7 @@ int main (int argc, char **argv)
 
 	g_test_add_func (TPATH "802-1x/subj-matches", test_read_write_802_1X_subj_matches);
 	g_test_add_func (TPATH "802-1x/ttls-eapgtc", test_read_802_1x_ttls_eapgtc);
+	g_test_add_func (TPATH "802-1x/password_raw", test_read_write_802_1x_password_raw);
 	g_test_add_data_func (TPATH "wired/read/aliases/good/0", GINT_TO_POINTER (0), test_read_wired_aliases_good);
 	g_test_add_data_func (TPATH "wired/read/aliases/good/3", GINT_TO_POINTER (3), test_read_wired_aliases_good);
 	g_test_add_func (TPATH "wired/read/aliases/bad1", test_read_wired_aliases_bad_1);
@@ -9492,6 +9709,7 @@ int main (int argc, char **argv)
 	g_test_add_func (TPATH "wired/read/unkwnown-ethtool-opt", test_read_wired_unknown_ethtool_opt);
 
 	g_test_add_func (TPATH "wired/write/static", test_write_wired_static);
+	g_test_add_func (TPATH "wired/write/static-with-generic", test_write_wired_static_with_generic);
 	g_test_add_func (TPATH "wired/write/static-ip6-only", test_write_wired_static_ip6_only);
 	g_test_add_func (TPATH "wired/write-static-routes", test_write_wired_static_routes);
 	g_test_add_func (TPATH "wired/read-write-static-routes-legacy", test_read_write_static_routes_legacy);
diff --git a/src/settings/plugins/ifnet/nms-ifnet-connection-parser.c b/src/settings/plugins/ifnet/nms-ifnet-connection-parser.c
index c5129fea..ed0a757f 100644
--- a/src/settings/plugins/ifnet/nms-ifnet-connection-parser.c
+++ b/src/settings/plugins/ifnet/nms-ifnet-connection-parser.c
@@ -31,7 +31,7 @@
 #include "settings/nm-settings-plugin.h"
 #include "nm-core-internal.h"
 #include "NetworkManagerUtils.h"
-#include "nm-setting-metadata.h"
+#include "nm-meta-setting.h"
 
 #include "nms-ifnet-net-utils.h"
 #include "nms-ifnet-wpa-parser.h"
diff --git a/src/settings/plugins/ifnet/nms-ifnet-connection.c b/src/settings/plugins/ifnet/nms-ifnet-connection.c
index ba87d46c..5dbb124c 100644
--- a/src/settings/plugins/ifnet/nms-ifnet-connection.c
+++ b/src/settings/plugins/ifnet/nms-ifnet-connection.c
@@ -74,89 +74,81 @@ nm_ifnet_connection_get_conn_name (NMIfnetConnection *connection)
 	return NM_IFNET_CONNECTION_GET_PRIVATE (connection)->conn_name;
 }
 
-static void
+static gboolean
 commit_changes (NMSettingsConnection *connection,
+                NMConnection *new_connection,
                 NMSettingsConnectionCommitReason commit_reason,
-                NMSettingsConnectionCommitFunc callback,
-                gpointer user_data)
+                NMConnection **out_reread_connection,
+                char **out_logmsg_change,
+                GError **error)
 {
-	GError *error = NULL;
 	NMIfnetConnectionPrivate *priv = NM_IFNET_CONNECTION_GET_PRIVATE ((NMIfnetConnection *) connection);
-	gchar *new_name = NULL;
+	char *new_name = NULL;
 	gboolean success = FALSE;
+	gboolean added = FALSE;
+
+	nm_assert (out_reread_connection && !*out_reread_connection);
+	nm_assert (!out_logmsg_change || !*out_logmsg_change);
 
 	g_signal_emit (connection, signals[IFNET_CANCEL_MONITORS], 0);
 
 	if (priv->conn_name) {
-		/* Existing connection; update it */
 		success = ifnet_update_parsers_by_connection (NM_CONNECTION (connection),
 		                                              priv->conn_name,
 		                                              CONF_NET_FILE,
 		                                              WPA_SUPPLICANT_CONF,
 		                                              &new_name,
 		                                              NULL,
-		                                              &error);
+		                                              error);
 	} else {
-		/* New connection, add it */
+		added = TRUE;
 		success = ifnet_add_new_connection (NM_CONNECTION (connection),
 		                                    CONF_NET_FILE,
 		                                    WPA_SUPPLICANT_CONF,
 		                                    &new_name,
 		                                    NULL,
-		                                    &error);
-		if (success)
-			reload_parsers ();
+		                                    error);
 	}
 
+	g_assert (!!success == (new_name != NULL));
 	if (success) {
-		/* update connection name */
-		g_assert (new_name);
 		g_free (priv->conn_name);
 		priv->conn_name = new_name;
-
-		NM_SETTINGS_CONNECTION_CLASS (nm_ifnet_connection_parent_class)->commit_changes (connection, commit_reason, callback, user_data);
-		nm_log_info (LOGD_SETTINGS, "Successfully updated %s", priv->conn_name);
-	} else {
-		nm_log_warn (LOGD_SETTINGS, "Failed to update %s",
-		             priv->conn_name ? priv->conn_name :
-		             nm_connection_get_id (NM_CONNECTION (connection)));
-		reload_parsers ();
-		callback (connection, error, user_data);
-		g_error_free (error);
 	}
 
+	reload_parsers ();
+
 	g_signal_emit (connection, signals[IFNET_SETUP_MONITORS], 0);
+
+	if (success) {
+		NM_SET_OUT (out_logmsg_change,
+		            g_strdup_printf ("ifcfg-rh: %s %s",
+		                             added ? "persist" : "updated",
+		                             new_name));
+	}
+	return success;
 }
 
-static void
-do_delete (NMSettingsConnection *connection,
-           NMSettingsConnectionDeleteFunc callback,
-           gpointer user_data)
+static gboolean
+delete (NMSettingsConnection *connection,
+        GError **error)
 {
-	GError *error = NULL;
 	NMIfnetConnectionPrivate *priv = NM_IFNET_CONNECTION_GET_PRIVATE ((NMIfnetConnection *) connection);
 
-	g_signal_emit (connection, signals[IFNET_CANCEL_MONITORS], 0);
-
 	/* Only connections which exist in /etc/conf.d/net will have a conn_name */
 	if (priv->conn_name) {
+		g_signal_emit (connection, signals[IFNET_CANCEL_MONITORS], 0);
+
 		if (!ifnet_delete_connection_in_parsers (priv->conn_name, CONF_NET_FILE, WPA_SUPPLICANT_CONF, NULL)) {
 			nm_log_warn (LOGD_SETTINGS, "Failed to delete %s", priv->conn_name);
 			reload_parsers ();
-			callback (connection, error, user_data);
-			g_error_free (error);
-			g_signal_emit (connection, signals[IFNET_SETUP_MONITORS], 0);
-			return;
+			/* let's not return an error. */
 		}
-	}
-
-	NM_SETTINGS_CONNECTION_CLASS (nm_ifnet_connection_parent_class)->delete (connection, callback, user_data);
 
-	g_signal_emit (connection, signals[IFNET_SETUP_MONITORS], 0);
+		g_signal_emit (connection, signals[IFNET_SETUP_MONITORS], 0);
+	}
 
-	nm_log_info (LOGD_SETTINGS, "Successfully deleted %s",
-	             priv->conn_name ? priv->conn_name :
-	             nm_connection_get_id (NM_CONNECTION (connection)));
+	return TRUE;
 }
 
 /*****************************************************************************/
@@ -222,7 +214,7 @@ nm_ifnet_connection_class_init (NMIfnetConnectionClass * ifnet_connection_class)
 
 	object_class->finalize = finalize;
 
-	settings_class->delete = do_delete;
+	settings_class->delete = delete;
 	settings_class->commit_changes = commit_changes;
 
 	signals[IFNET_SETUP_MONITORS] =
diff --git a/src/settings/plugins/ifnet/nms-ifnet-net-parser.c b/src/settings/plugins/ifnet/nms-ifnet-net-parser.c
index 0007f9cd..d3e47219 100644
--- a/src/settings/plugins/ifnet/nms-ifnet-net-parser.c
+++ b/src/settings/plugins/ifnet/nms-ifnet-net-parser.c
@@ -58,7 +58,7 @@ add_new_connection_config (const gchar * type, const gchar * name)
 	/* Return existing connection */
 	if ((new_conn = g_hash_table_lookup (conn_table, name)) != NULL)
 		return new_conn;
-	new_conn = g_hash_table_new (g_str_hash, g_str_equal);
+	new_conn = g_hash_table_new (nm_str_hash, g_str_equal);
 	new_name = g_strdup (name);
 	g_hash_table_insert (new_conn, g_strdup ("name"), new_name);
 	g_hash_table_insert (new_conn, g_strdup ("type"), g_strdup (type));
@@ -302,8 +302,8 @@ ifnet_init (gchar * config_file)
 
 	net_parser_data_changed = FALSE;
 
-	conn_table = g_hash_table_new (g_str_hash, g_str_equal);
-	global_settings_table = g_hash_table_new (g_str_hash, g_str_equal);
+	conn_table = g_hash_table_new (nm_str_hash, g_str_equal);
+	global_settings_table = g_hash_table_new (nm_str_hash, g_str_equal);
 	functions_list = NULL;
 
 	if (g_file_test (config_file, G_FILE_TEST_IS_REGULAR))
diff --git a/src/settings/plugins/ifnet/nms-ifnet-plugin.c b/src/settings/plugins/ifnet/nms-ifnet-plugin.c
index 5a6a8ce8..998b04b4 100644
--- a/src/settings/plugins/ifnet/nms-ifnet-plugin.c
+++ b/src/settings/plugins/ifnet/nms-ifnet-plugin.c
@@ -138,9 +138,9 @@ monitor_file_changes (const char *filename,
 		info->callback = callback;
 		info->user_data = user_data;
 		g_object_weak_ref (G_OBJECT (monitor), (GWeakNotify) g_free,
-				   info);
+		                   info);
 		g_signal_connect (monitor, "changed", G_CALLBACK (file_changed),
-				  info);
+		                  info);
 	} else {
 		nm_log_warn (LOGD_SETTINGS, "Monitoring %s failed, error: %s", filename,
 		             error == NULL ? "nothing" : (*error)->message);
@@ -150,34 +150,38 @@ monitor_file_changes (const char *filename,
 }
 
 static void
-setup_monitors (NMIfnetConnection * connection, gpointer user_data)
+setup_monitors (NMIfnetConnection *connection, gpointer user_data)
 {
 	SettingsPluginIfnet *self = SETTINGS_PLUGIN_IFNET (user_data);
 	SettingsPluginIfnetPrivate *priv = SETTINGS_PLUGIN_IFNET_GET_PRIVATE (self);
 
-	if (nm_config_get_monitor_connection_files (nm_config_get ())) {
-		priv->net_monitor =
-			monitor_file_changes (CONF_NET_FILE, (FileChangedFn) reload_connections,
-			                      user_data);
-		priv->wpa_monitor =
-			monitor_file_changes (WPA_SUPPLICANT_CONF, (FileChangedFn) reload_connections,
-			                      user_data);
-	}
+	if (!nm_config_get_monitor_connection_files (nm_config_get ()))
+		return;
+
+	if (priv->net_monitor || priv->wpa_monitor)
+		return;
+
+	priv->net_monitor = monitor_file_changes (CONF_NET_FILE,
+	                                          (FileChangedFn) reload_connections,
+	                                          user_data);
+	priv->wpa_monitor = monitor_file_changes (WPA_SUPPLICANT_CONF,
+	                                          (FileChangedFn) reload_connections,
+	                                          user_data);
 }
 
 static void
-cancel_monitors (NMIfnetConnection * connection, gpointer user_data)
+cancel_monitors (NMIfnetConnection *connection, gpointer user_data)
 {
 	SettingsPluginIfnet *self = SETTINGS_PLUGIN_IFNET (user_data);
 	SettingsPluginIfnetPrivate *priv = SETTINGS_PLUGIN_IFNET_GET_PRIVATE (self);
 
 	if (priv->net_monitor) {
 		g_file_monitor_cancel (priv->net_monitor);
-		g_object_unref (priv->net_monitor);
+		g_clear_object (&priv->net_monitor);
 	}
 	if (priv->wpa_monitor) {
 		g_file_monitor_cancel (priv->wpa_monitor);
-		g_object_unref (priv->wpa_monitor);
+		g_clear_object (&priv->wpa_monitor);
 	}
 }
 
@@ -226,7 +230,7 @@ reload_connections (NMSettingsPlugin *config)
 	                                                 NM_CONFIG_KEYFILE_GROUP_IFNET, NM_CONFIG_KEYFILE_KEY_IFNET_AUTO_REFRESH,
 	                                                 FALSE);
 
-	new_connections = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_object_unref);
+	new_connections = g_hash_table_new_full (nm_str_hash, g_str_equal, NULL, g_object_unref);
 
 	/* Reread on-disk data and refresh in-memory connections from it */
 	conn_names = ifnet_get_connection_names ();
@@ -321,11 +325,11 @@ add_connection (NMSettingsPlugin *config,
 	 * asked to write it to disk.
 	 */
 	if (!ifnet_can_write_connection (source, error))
-		return NULL;
+		goto out;
 
 	if (save_to_disk) {
 		if (!ifnet_add_new_connection (source, CONF_NET_FILE, WPA_SUPPLICANT_CONF, NULL, NULL, error))
-			return NULL;
+			goto out;
 		reload_connections (config);
 		new = g_hash_table_lookup (priv->connections, nm_connection_get_uuid (source));
 	} else {
@@ -337,6 +341,11 @@ add_connection (NMSettingsPlugin *config,
 		}
 	}
 
+out:
+	if (!new && error && !*error) {
+		g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
+		                     "The ifnet plugin cannot add the connection (unknown error).");
+	}
 	return (NMSettingsConnection *) new;
 }
 
@@ -439,7 +448,7 @@ init (NMSettingsPlugin *config)
 
 	nm_log_info (LOGD_SETTINGS, "Initializing!");
 
-	priv->connections = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
+	priv->connections = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, g_object_unref);
 	priv->unmanaged_well_known = !is_managed_plugin ();
 	nm_log_info (LOGD_SETTINGS, "management mode: %s",
 	             priv->unmanaged_well_known ? "unmanaged" : "managed");
diff --git a/src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c b/src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c
index 61e4da7c..2b62e886 100644
--- a/src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c
+++ b/src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c
@@ -26,6 +26,7 @@
 #include <string.h>
 #include <stdlib.h>
 
+#include "nm-utils/nm-hash-utils.h"
 #include "settings/nm-settings-plugin.h"
 
 #include "nms-ifnet-net-parser.h"
@@ -270,8 +271,8 @@ wpa_parser_init (const char *wpa_supplicant_conf)
 	gboolean complete = FALSE;
 
 	wpa_parser_data_changed = FALSE;
-	wsec_table = g_hash_table_new (g_str_hash, g_str_equal);
-	wsec_global_table = g_hash_table_new (g_str_hash, g_str_equal);
+	wsec_table = g_hash_table_new (nm_str_hash, g_str_equal);
+	wsec_global_table = g_hash_table_new (nm_str_hash, g_str_equal);
 
 	if (g_file_test (wpa_supplicant_conf, G_FILE_TEST_IS_REGULAR))
 		channel =
@@ -292,7 +293,7 @@ wpa_parser_init (const char *wpa_supplicant_conf)
 				continue;
 			} else {
 				GHashTable *network =
-				    g_hash_table_new (g_str_hash, g_str_equal);
+				    g_hash_table_new (nm_str_hash, g_str_equal);
 
 				do {
 					gchar *quote_start, *quote_end = NULL, *comment;
@@ -512,7 +513,7 @@ wpa_add_security (const char *ssid)
 		return TRUE;
 	else {
 		GHashTable *security =
-		    g_hash_table_new (g_str_hash, g_str_equal);
+		    g_hash_table_new (nm_str_hash, g_str_equal);
 		gchar *ssid_i;
 
 		nm_log_info (LOGD_SETTINGS, "Adding security for %s", ssid);
diff --git a/src/settings/plugins/ifupdown/nms-ifupdown-plugin.c b/src/settings/plugins/ifupdown/nms-ifupdown-plugin.c
index 189b6e69..0928772a 100644
--- a/src/settings/plugins/ifupdown/nms-ifupdown-plugin.c
+++ b/src/settings/plugins/ifupdown/nms-ifupdown-plugin.c
@@ -139,7 +139,10 @@ bind_device_to_connection (SettingsPluginIfupdown *self,
 		g_object_set (s_wifi, NM_SETTING_WIRELESS_MAC_ADDRESS, address, NULL);
 	}
 
-	nm_settings_connection_commit_changes (NM_SETTINGS_CONNECTION (exported), NM_SETTINGS_CONNECTION_COMMIT_REASON_NONE, NULL, NULL);
+	nm_settings_connection_commit_changes (NM_SETTINGS_CONNECTION (exported),
+	                                       NULL,
+	                                       NM_SETTINGS_CONNECTION_COMMIT_REASON_NONE,
+	                                       NULL);
 }
 
 static void
@@ -338,16 +341,16 @@ init (NMSettingsPlugin *config)
 	const char *block_name;
 	NMIfupdownConnection *connection;
 
-	auto_ifaces = g_hash_table_new (g_str_hash, g_str_equal);
+	auto_ifaces = g_hash_table_new (nm_str_hash, g_str_equal);
 
 	if(!priv->connections)
-		priv->connections = g_hash_table_new (g_str_hash, g_str_equal);
+		priv->connections = g_hash_table_new (nm_str_hash, g_str_equal);
 
 	if(!priv->kernel_ifaces)
-		priv->kernel_ifaces = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, _udev_device_unref);
+		priv->kernel_ifaces = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, _udev_device_unref);
 
 	if(!priv->eni_ifaces)
-		priv->eni_ifaces = g_hash_table_new (g_str_hash, g_str_equal);
+		priv->eni_ifaces = g_hash_table_new (nm_str_hash, g_str_equal);
 
 	nm_log_info (LOGD_SETTINGS, "init!");
 
@@ -409,7 +412,7 @@ init (NMSettingsPlugin *config)
 			exported = g_hash_table_lookup (priv->connections, block->name);
 			if (exported) {
 				nm_log_info (LOGD_SETTINGS, "deleting %s from connections", block->name);
-				nm_settings_connection_delete (NM_SETTINGS_CONNECTION (exported), NULL, NULL);
+				nm_settings_connection_delete (NM_SETTINGS_CONNECTION (exported), NULL);
 				g_hash_table_remove (priv->connections, block->name);
 			}
 
diff --git a/src/settings/plugins/keyfile/nms-keyfile-connection.c b/src/settings/plugins/keyfile/nms-keyfile-connection.c
index bd07d263..300aa9f7 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-connection.c
+++ b/src/settings/plugins/keyfile/nms-keyfile-connection.c
@@ -50,29 +50,30 @@ G_DEFINE_TYPE (NMSKeyfileConnection, nms_keyfile_connection, NM_TYPE_SETTINGS_CO
 
 /*****************************************************************************/
 
-static void
+static gboolean
 commit_changes (NMSettingsConnection *connection,
+                NMConnection *new_connection,
                 NMSettingsConnectionCommitReason commit_reason,
-                NMSettingsConnectionCommitFunc callback,
-                gpointer user_data)
+                NMConnection **out_reread_connection,
+                char **out_logmsg_change,
+                GError **error)
 {
-	char *path = NULL;
-	GError *error = NULL;
+	gs_free char *path = NULL;
 	gs_unref_object NMConnection *reread = NULL;
 	gboolean reread_same = FALSE;
 
-	if (!nms_keyfile_writer_connection (NM_CONNECTION (connection),
+	nm_assert (out_reread_connection && !*out_reread_connection);
+	nm_assert (!out_logmsg_change || !*out_logmsg_change);
+
+	if (!nms_keyfile_writer_connection (new_connection ?: NM_CONNECTION (connection),
 	                                    nm_settings_connection_get_filename (connection),
 	                                    NM_FLAGS_ALL (commit_reason,   NM_SETTINGS_CONNECTION_COMMIT_REASON_USER_ACTION
 	                                                                 | NM_SETTINGS_CONNECTION_COMMIT_REASON_ID_CHANGED),
 	                                    &path,
 	                                    &reread,
 	                                    &reread_same,
-	                                    &error)) {
-		callback (connection, error, user_data);
-		g_clear_error (&error);
-		return;
-	}
+	                                    error))
+		return FALSE;
 
 	/* Update the filename if it changed */
 	if (   path
@@ -81,52 +82,37 @@ commit_changes (NMSettingsConnection *connection,
 
 		nm_settings_connection_set_filename (connection, path);
 		if (old_path) {
-			nm_log_info (LOGD_SETTINGS, "keyfile: update "NMS_KEYFILE_CONNECTION_LOG_FMT" and rename from \"%s\"",
-			             NMS_KEYFILE_CONNECTION_LOG_ARG (connection),
-			             old_path);
+			NM_SET_OUT (out_logmsg_change,
+			            g_strdup_printf ("keyfile: update "NMS_KEYFILE_CONNECTION_LOG_FMT" and rename from \"%s\"",
+			                             NMS_KEYFILE_CONNECTION_LOG_ARG (connection),
+			                             old_path));
 		} else {
-			nm_log_info (LOGD_SETTINGS, "keyfile: update "NMS_KEYFILE_CONNECTION_LOG_FMT" and persist connection",
-			             NMS_KEYFILE_CONNECTION_LOG_ARG (connection));
+			NM_SET_OUT (out_logmsg_change,
+			            g_strdup_printf ("keyfile: update "NMS_KEYFILE_CONNECTION_LOG_FMT" and persist connection",
+			                             NMS_KEYFILE_CONNECTION_LOG_ARG (connection)));
 		}
 	} else {
-		nm_log_info (LOGD_SETTINGS, "keyfile: update "NMS_KEYFILE_CONNECTION_LOG_FMT,
-		             NMS_KEYFILE_CONNECTION_LOG_ARG (connection));
-	}
-
-	if (reread && !reread_same) {
-		gs_free_error GError *local = NULL;
-
-		if (!nm_settings_connection_replace_settings (connection, reread, FALSE, "update-during-write", &local)) {
-			nm_log_warn (LOGD_SETTINGS, "keyfile: update "NMS_KEYFILE_CONNECTION_LOG_FMT" after persisting connection failed: %s",
-			             NMS_KEYFILE_CONNECTION_LOG_ARG (connection), local->message);
-		} else {
-			nm_log_info (LOGD_SETTINGS, "keyfile: update "NMS_KEYFILE_CONNECTION_LOG_FMT" after persisting connection",
-			             NMS_KEYFILE_CONNECTION_LOG_ARG (connection));
-		}
+		NM_SET_OUT (out_logmsg_change,
+		            g_strdup_printf ("keyfile: update "NMS_KEYFILE_CONNECTION_LOG_FMT,
+		                             NMS_KEYFILE_CONNECTION_LOG_ARG (connection)));
 	}
 
-	g_free (path);
+	if (reread && !reread_same)
+		*out_reread_connection = g_steal_pointer (&reread);
 
-	NM_SETTINGS_CONNECTION_CLASS (nms_keyfile_connection_parent_class)->commit_changes (connection,
-	                                                                                    commit_reason,
-	                                                                                    callback,
-	                                                                                    user_data);
+	return TRUE;
 }
 
-static void
-do_delete (NMSettingsConnection *connection,
-           NMSettingsConnectionDeleteFunc callback,
-           gpointer user_data)
+static gboolean
+delete (NMSettingsConnection *connection,
+        GError **error)
 {
 	const char *path;
 
 	path = nm_settings_connection_get_filename (connection);
 	if (path)
 		g_unlink (path);
-
-	NM_SETTINGS_CONNECTION_CLASS (nms_keyfile_connection_parent_class)->delete (connection,
-	                                                                            callback,
-	                                                                            user_data);
+	return TRUE;
 }
 
 /*****************************************************************************/
@@ -192,5 +178,5 @@ nms_keyfile_connection_class_init (NMSKeyfileConnectionClass *keyfile_connection
 	NMSettingsConnectionClass *settings_class = NM_SETTINGS_CONNECTION_CLASS (keyfile_connection_class);
 
 	settings_class->commit_changes = commit_changes;
-	settings_class->delete = do_delete;
+	settings_class->delete = delete;
 }
diff --git a/src/settings/plugins/keyfile/nms-keyfile-plugin.c b/src/settings/plugins/keyfile/nms-keyfile-plugin.c
index 4af80142..ee4db320 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-plugin.c
+++ b/src/settings/plugins/keyfile/nms-keyfile-plugin.c
@@ -378,7 +378,7 @@ _paths_from_connections (GHashTable *connections)
 {
 	GHashTableIter iter;
 	NMSKeyfileConnection *connection;
-	GHashTable *paths = g_hash_table_new (g_str_hash, g_str_equal);
+	GHashTable *paths = g_hash_table_new (nm_str_hash, g_str_equal);
 
 	g_hash_table_iter_init (&iter, connections);
 	while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &connection)) {
@@ -588,7 +588,7 @@ nms_keyfile_plugin_init (NMSKeyfilePlugin *plugin)
 	NMSKeyfilePluginPrivate *priv = NMS_KEYFILE_PLUGIN_GET_PRIVATE (plugin);
 
 	priv->config = g_object_ref (nm_config_get ());
-	priv->connections = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
+	priv->connections = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, g_object_unref);
 }
 
 static void
diff --git a/src/settings/plugins/keyfile/nms-keyfile-writer.c b/src/settings/plugins/keyfile/nms-keyfile-writer.c
index 92ed2849..270a217e 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-writer.c
+++ b/src/settings/plugins/keyfile/nms-keyfile-writer.c
@@ -213,6 +213,9 @@ _internal_write_connection (NMConnection *connection,
 	if (!data)
 		return FALSE;
 
+	if (!g_file_test (keyfile_dir, G_FILE_TEST_IS_DIR))
+		(void) g_mkdir_with_parents (keyfile_dir, 0755);
+
 	/* If we have existing file path, use it. Else generate one from
 	 * connection's ID.
 	 */
diff --git a/src/settings/plugins/keyfile/tests/test-keyfile.c b/src/settings/plugins/keyfile/tests/test-keyfile.c
index d9da5317..2584a722 100644
--- a/src/settings/plugins/keyfile/tests/test-keyfile.c
+++ b/src/settings/plugins/keyfile/tests/test-keyfile.c
@@ -312,11 +312,11 @@ test_read_valid_wired_connection (void)
 	check_ip_route (s_ip4, 3, "1.1.1.3", 13, NULL, -1);
 	check_ip_route (s_ip4, 4, "1.1.1.4", 14, "2.2.2.4", -1);
 	check_ip_route (s_ip4, 5, "1.1.1.5", 15, "2.2.2.5", -1);
-	check_ip_route (s_ip4, 6, "1.1.1.6", 16, "2.2.2.6", -1);
+	check_ip_route (s_ip4, 6, "1.1.1.6", 16, "2.2.2.6", 0);
 	check_ip_route (s_ip4, 7, "1.1.1.7", 17, NULL, -1);
 	check_ip_route (s_ip4, 8, "1.1.1.8", 18, NULL, -1);
-	check_ip_route (s_ip4, 9, "1.1.1.9", 19, NULL, -1);
-	check_ip_route (s_ip4, 10, "1.1.1.10", 20, NULL, -1);
+	check_ip_route (s_ip4, 9, "1.1.1.9", 19, NULL, 0);
+	check_ip_route (s_ip4, 10, "1.1.1.10", 20, NULL, 0);
 	check_ip_route (s_ip4, 11, "1.1.1.11", 21, NULL, 21);
 
 	/* Route attributes */