merge: fix errors found with valgrind

A handful of memory leaks and one read-after-free().

configure.ac

@@ -873,13 +873,13 @@ VAPIGEN_CHECK(0.17.1.24)
 
 # Tests, utilities and documentation
 AC_ARG_ENABLE(tests, AS_HELP_STRING([--enable-tests=root|yes|no], [Build NetworkManager tests (default: yes)]))
-AC_ARG_WITH(valgrind, AS_HELP_STRING([--with-valgrind=yes|no|path], [Use valgrind to memory-check the tests (default: yes)]))
+AC_ARG_WITH(valgrind, AS_HELP_STRING([--with-valgrind=yes|no|path], [Use valgrind to memory-check the tests (default: no)]))
 # Fallback to --with-tests
 AC_ARG_WITH(tests, AS_HELP_STRING([--with-tests], [Build NetworkManager tests (deprecated)]))
 AS_IF([test -n "$with_tests"], enable_tests="$with_tests")
-# Default to --enable-tests --with-valgrind
+# Default to --enable-tests --with-valgrind=no
 AS_IF([test -z "$enable_tests"], enable_tests="yes")
-AS_IF([test -z "$with_valgrind"], with_valgrind="yes")
+AS_IF([test -z "$with_valgrind"], with_valgrind="no")
 # Normalize values
 AS_IF([test "$enable_tests" != "yes" -a "$enable_tests" != "root"], enable_tests="no")
 # Search for tools

src/dhcp-manager/nm-dhcp-client.c

@@ -884,6 +884,8 @@ dispose (GObject *object)
 	timeout_cleanup (self);
 
 	g_clear_pointer (&priv->iface, g_free);
+	g_clear_pointer (&priv->hostname, g_free);
+	g_clear_pointer (&priv->uuid, g_free);
 
 	if (priv->hwaddr) {
 		g_byte_array_free (priv->hwaddr, TRUE);

src/nm-auth-utils.c

@@ -158,17 +158,18 @@ nm_auth_chain_steal_data (NMAuthChain *self, const char *tag)
 {
 	ChainData *tmp;
 	gpointer value = NULL;
+	void *orig_key;
 
 	g_return_val_if_fail (self != NULL, NULL);
 	g_return_val_if_fail (tag != NULL, NULL);
 
-	tmp = g_hash_table_lookup (self->data, tag);
+	if (g_hash_table_lookup_extended (self->data, tag, &orig_key, (gpointer)&tmp)) {
-	if (tmp) {
 		g_hash_table_steal (self->data, tag);
 		value = tmp->data;
 		/* Make sure the destroy handler isn't called when freeing */
 		tmp->destroy = NULL;
 		free_data (tmp);
+		g_free (orig_key);
 	}
 	return value;
 }

src/nm-connectivity.c

@@ -186,6 +186,7 @@ nm_connectivity_check_cb (SoupSession *session, SoupMessage *msg, gpointer user_
 
 	g_simple_async_result_set_op_res_gssize (simple, new_state);
 	g_simple_async_result_complete (simple);
+	g_object_unref (simple);
 
 	g_free (cb_data->uri);
 	g_free (cb_data->response);
@@ -321,6 +322,7 @@ nm_connectivity_check_async (NMConnectivity      *self,
 
 	g_simple_async_result_set_op_res_gssize (simple, priv->state);
 	g_simple_async_result_complete_in_idle (simple);
+	g_object_unref (simple);
 }
 
 NMConnectivityState

src/nm-manager.c

@@ -5112,6 +5112,7 @@ dispose (GObject *object)
 	}
 
 	g_clear_object (&priv->settings);
+	g_free (priv->state_file);
 	g_clear_object (&priv->vpn_manager);
 
 	/* Unregister property filter */

src/platform/nm-linux-platform.c

@@ -1008,7 +1008,7 @@ init_link (NMPlatform *platform, NMPlatformLink *info, struct rtnl_link *rtnllin
 	if (udev_device) {
 		info->driver = udev_get_driver (platform, udev_device, info->ifindex);
 		if (!info->driver)
-			info->driver = rtnl_link_get_type (rtnllink);
+			info->driver = g_intern_string (rtnl_link_get_type (rtnllink));
 		if (!info->driver)
 			info->driver = ethtool_get_driver (info->name);
 		if (!info->driver)

src/rdisc/nm-lndp-rdisc.c

@@ -720,6 +720,7 @@ dispose (GObject *object)
 	g_clear_pointer (&priv->event_channel, g_io_channel_unref);
 
 	if (priv->ndp) {
+		ndp_msgrcv_handler_unregister (priv->ndp, receive_ra, NDP_MSG_RA, NM_RDISC (rdisc)->ifindex, rdisc);
 		ndp_close (priv->ndp);
 		priv->ndp = NULL;
 	}

src/settings/nm-agent-manager.c

@@ -318,6 +318,7 @@ impl_agent_manager_register_with_capabilities (NMAgentManager *self,
 
 		priv->chains = g_slist_append (priv->chains, chain);
 	} else {
+		g_object_unref (agent);
 		error = g_error_new_literal (NM_AGENT_MANAGER_ERROR,
 		                             NM_AGENT_MANAGER_ERROR_FAILED,
 		                             "Unable to start agent authentication.");
@@ -585,11 +586,12 @@ request_next_agent (Request *req)
 {
 	GError *error = NULL;
 
-	if (req->pending) {
-		/* Send the request to the next agent */
 	req->current_call_id = NULL;
 	if (req->current)
 		g_object_unref (req->current);
+
+	if (req->pending) {
+		/* Send the request to the next agent */
 		req->current = req->pending->data;
 		req->pending = g_slist_remove (req->pending, req->current);
 
@@ -599,7 +601,6 @@ request_next_agent (Request *req)
 
 		req->next_callback (req);
 	} else {
-		req->current_call_id = NULL;
 		req->current = NULL;
 
 		/* No more secret agents are available to fulfill this secrets request */

src/settings/nm-settings-connection.c

@@ -2314,6 +2314,8 @@ dispose (GObject *object)
 	}
 	g_clear_object (&priv->agent_mgr);
 
+	g_clear_pointer (&priv->filename, g_free);
+
 	G_OBJECT_CLASS (nm_settings_connection_parent_class)->dispose (object);
 }