network: Add firewall helper functions

This code will be used in subsequent commits to add
firewall zone support to connections.

https://bugzilla.gnome.org/show_bug.cgi?id=694577

panels/network/connection-editor/Makefile.am

@@ -29,7 +29,9 @@ libconnection_editor_la_SOURCES = 		\
 	ce-page-vpn.h				\
 	ce-page-vpn.c				\
 	vpn-helpers.h				\
-	vpn-helpers.c
+	vpn-helpers.c				\
+	firewall-helpers.h			\
+	firewall-helpers.c
 
 libconnection_editor_la_CPPFLAGS = 		\
 	$(PANEL_CFLAGS)				\

panels/network/connection-editor/firewall-helpers.c

@@ -0,0 +1,119 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * (C) Copyright 2013 Red Hat, Inc.
+ */
+
+#include "config.h"
+
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+
+#include "firewall-helpers.h"
+
+typedef struct {
+        const gchar *zone;
+        GtkWidget *combo;
+} GetZonesReplyData;
+
+static void
+get_zones_reply (GObject      *source,
+                 GAsyncResult *res,
+                 gpointer      user_data)
+{
+        GDBusConnection *bus = G_DBUS_CONNECTION (source);
+        GetZonesReplyData *d = user_data;
+        GVariant *ret;
+        GError *error = NULL;
+        const gchar **zones;
+        gint idx;
+        gint i;
+
+        ret = g_dbus_connection_call_finish (bus, res, &error);
+
+        gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (d->combo),
+                                        C_("Firewall zone", "Default"));
+        gtk_widget_set_tooltip_text (d->combo, _("The zone defines the trust level of the connection"));
+
+        idx = 0;
+        if (error) {
+                gtk_widget_set_sensitive (d->combo, FALSE);
+                g_error_free (error);
+        }
+        else {
+                gtk_widget_set_sensitive (d->combo, TRUE);
+                g_variant_get (ret, "(^a&s)", &zones);
+
+                for (i = 0; zones[i]; i++) {
+                        gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (d->combo),
+                                                        zones[i]);
+                        if (g_strcmp0 (d->zone, zones[i]) == 0)
+                                idx = i + 1;
+                }
+                if (d->zone && idx == 0) {
+                        gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (d->combo),
+                                                        d->zone);
+                        idx = i + 1;
+                }
+                g_variant_unref (ret);
+        }
+        gtk_combo_box_set_active (GTK_COMBO_BOX (d->combo), idx);
+
+        g_free (d);
+}
+
+void
+firewall_ui_setup (NMSettingConnection *setting,
+                   GtkWidget           *combo,
+                   GCancellable        *cancellable)
+{
+        GDBusConnection *bus;
+        GetZonesReplyData *d;
+
+        bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, NULL);
+
+        d = g_new0 (GetZonesReplyData, 1);
+        d->zone = nm_setting_connection_get_zone (setting);
+        d->combo = combo;
+
+        g_dbus_connection_call (bus,
+                                "org.fedoraproject.FirewallD1",
+                                "/org/fedoraproject/FirewallD1",
+                                "org.fedoraproject.FirewallD1.zone",
+                                "getZones",
+                                NULL,
+                                NULL,
+                                0,
+                                G_MAXINT,
+                                cancellable,
+                                get_zones_reply, d);
+        g_object_unref (bus);
+}
+
+void
+firewall_ui_to_setting (NMSettingConnection *setting, GtkWidget *combo)
+{
+        gchar *zone;
+
+        zone = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (combo));
+        if (g_strcmp0 (zone, C_("Firewall zone", "Default")) == 0) {
+                g_free (zone);
+                zone = NULL;
+        }
+
+        g_object_set (setting, NM_SETTING_CONNECTION_ZONE, zone, NULL);
+        g_free (zone);
+}

panels/network/connection-editor/firewall-helpers.h

@@ -0,0 +1,32 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * (C) Copyright 2013 Red Hat, Inc.
+ */
+
+#ifndef _FIREWALL_HELPERS_H_
+#define _FIREWALL_HELPERS_H_
+
+#include <nm-setting-connection.h>
+#include <gtk/gtk.h>
+
+void firewall_ui_setup      (NMSettingConnection *setting,
+                             GtkWidget           *combo,
+                             GCancellable        *cancellable);
+void firewall_ui_to_setting (NMSettingConnection *setting,
+                             GtkWidget           *combo);
+
+
+#endif  /* _FIREWALL_HELPERS_H_ */