NetworkInador/client-gtk/ni-add-route-dialog.c

/*
 * ni-add-route-dialog.c
 * This file is part of Network Inador
 *
 * Copyright (C) 2021 - Gatuno
 *
 * Network Inador 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.
 *
 * Network Inador 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 Network Inador; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, 
 * Boston, MA  02110-1301  USA
 */

#include <gtk/gtk.h>

#include <string.h>

#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>

#include "ni-add-route-dialog.h"
#include "ni-route.h"

struct _NIAddRouteGW {
	NIAddRouteDialog *dialog;
	GtkWidget *hbox;
	
	GtkWidget *hbox_weight;
	GtkWidget *label_weight;
	GtkWidget *gw, *weight;
	
	GtkWidget *button;
	int pos;
};

struct _NIAddRouteDialogPrivate {
	int family;
	NIClient *ni_client;
	
	GtkWidget *destination;
	GtkWidget *button_add;
	GtkWidget *metric;
	
	GList *gws;
	GtkWidget *add_gw_button;
	GtkSizeGroup *weight_sizer;
	int gw_count;
	
	GtkListStore *tables_store;
	GtkWidget *entry_tabla;
	GtkWidget *entry_protocol;
	GtkWidget *check_prefsrc, *entry_prefsrc;
	
	gboolean valid_main_ip, valid_gw;
	
	gboolean valid_metric;
	gboolean valid_route_table, valid_route_protocol;
	gboolean valid_prefsrc;
};

enum {
	PROP_ROUTE_FAMILY = 1,
	
	PROP_NI_CLIENT,
	
	N_PROPERTIES
};

enum {
	COL_TABLE_ID,
	COL_TABLE_ID_STR,
	COL_TABLE_NAME,
	
	NUM_TABLE_STORE_COLS
};

enum {
	COL_ROUTE_PROTOCOL_STR,
	
	COL_ROUTE_PROTOCOL_DESC,
	
	NUM_ROUTE_PROTOCOL_COLS
};

G_DEFINE_TYPE_WITH_PRIVATE (NIAddRouteDialog, ni_add_route_dialog, GTK_TYPE_DIALOG)

static GParamSpec *obj_properties[N_PROPERTIES] = { NULL, };

static void ni_add_route_dialog_add_more_gw_cb (GtkWidget *button, gpointer data);
static void ni_add_route_dialog_remove_gw_row_cb (GtkWidget *button, gpointer data);
static gboolean ni_add_route_dialog_get_ip (NIAddRouteDialog *dialog, struct_addr *addr);

static void split_ip_mask (const char *texto, gchar *ip, int ip_size, gchar *mask, int mask_size) {
	gchar *dup;
	int g, has_slash = -1;
	
	mask[0] = 0;
	dup = g_strdup (texto);
	
	for (g = 0; g < strlen (texto); g++) {
		if (texto[g] == '/' && texto[g + 1] != 0) {
			has_slash = g;
			break;
		}
	}
	
	if (has_slash >= 0) {
		strncpy (mask, &texto[has_slash + 1], mask_size);
		strncpy (ip, texto, ip_size);
		ip[has_slash] = 0;
	} else {
		strncpy (ip, texto, ip_size);
	}
}

static gboolean ip_valid_ipv4 (const char *ip) {
	struct in_addr addr;
	
	if (inet_pton (AF_INET, ip, &addr) == 0) {
		return FALSE;
	}
	
	return TRUE;
}

static gboolean ip_valid_ipv6 (const char *ip) {
	struct in6_addr addr;
	
	if (inet_pton (AF_INET6, ip, &addr) == 0) {
		return FALSE;
	}
	
	return TRUE;
}

static void ni_add_route_dialog_update_response (NIAddRouteDialog *dialog) {
	/*if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (dialog->priv->check_p2p)) && dialog->priv->valid_p2p_ip == FALSE) {
		gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, FALSE);
		return;
	}*/
	gboolean res;
	
	res = dialog->priv->valid_main_ip && dialog->priv->valid_gw && dialog->priv->valid_metric && dialog->priv->valid_route_table && dialog->priv->valid_route_protocol && dialog->priv->valid_prefsrc;
	
	if (res == FALSE) {
		gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, FALSE);
		return;
	}
	
	gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, TRUE);
}

static void ni_add_route_dialog_validate_main_ip (GtkEditable *editable, gpointer data) {
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (data);
	struct_addr addr;
	int prefix;
	
	dialog->priv->valid_main_ip = ni_add_route_dialog_get_destination (dialog, &addr, &prefix);
	if (dialog->priv->valid_main_ip == FALSE) {
		gtk_entry_set_icon_from_icon_name (GTK_ENTRY (editable), GTK_ENTRY_ICON_SECONDARY, "dialog-warning");
	} else {
		gtk_entry_set_icon_from_icon_name (GTK_ENTRY (editable), GTK_ENTRY_ICON_SECONDARY, NULL);
	}
	ni_add_route_dialog_update_response (dialog);
}

static void ni_add_route_dialog_validate_gws (GtkWidget *widget, gpointer data) {
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (data);
	struct _NIAddRouteGW *gw_row;
	GList *g;
	const gchar *texto;
	gboolean valid;
	
	dialog->priv->valid_gw = TRUE;
	/* Recorrer cada caja de gateways */
	g = dialog->priv->gws;
	while (g != NULL) {
		gw_row = (struct _NIAddRouteGW *) g->data;
		
		valid = FALSE;
		texto = gtk_entry_get_text (GTK_ENTRY (gw_row->gw));
		if (dialog->priv->family == AF_INET || dialog->priv->family == AF_UNSPEC) {
			valid |= ip_valid_ipv4 (texto);
		}
		if (dialog->priv->family == AF_INET6 || dialog->priv->family == AF_UNSPEC) {
			valid |= ip_valid_ipv6 (texto);
		}
		
		dialog->priv->valid_gw = dialog->priv->valid_gw && valid;
		
		if (valid == FALSE) {
			gtk_entry_set_icon_from_icon_name (GTK_ENTRY (gw_row->gw), GTK_ENTRY_ICON_SECONDARY, "dialog-warning");
		} else {
			gtk_entry_set_icon_from_icon_name (GTK_ENTRY (gw_row->gw), GTK_ENTRY_ICON_SECONDARY, NULL);
		}
		
		g = g->next;
	}
	ni_add_route_dialog_update_response (dialog);
}

static void ni_add_route_dialog_validate_metric (GtkSpinButton *spin_button, GtkScrollType scroll, gpointer data)	{
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (data);
	gdouble value;
	
	value = gtk_spin_button_get_value (spin_button);
	
	if (value >= 0.0) {
		dialog->priv->valid_metric = TRUE;
	} else {
		dialog->priv->valid_metric = FALSE;
	}
	
	ni_add_route_dialog_update_response (dialog);
}

static void ni_add_route_dialog_validate_route_table (GtkComboBox *combo, gpointer data)	{
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (data);
	const char *texto;
	int n, g;
	char endptr;
	GtkWidget *entry;
	
	entry = gtk_bin_get_child (GTK_BIN (combo));
	texto = gtk_entry_get_text (GTK_ENTRY (entry));
	
	n = sscanf (texto, "%i%c", &g, &endptr);
	if (n != 1) {
		dialog->priv->valid_route_table = FALSE;
		gtk_entry_set_icon_from_icon_name (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY, "dialog-warning");
	} else {
		dialog->priv->valid_route_table = TRUE;
		gtk_entry_set_icon_from_icon_name (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY, NULL);
	}
	
	ni_add_route_dialog_update_response (dialog);
}

static void ni_add_route_dialog_validate_route_protocol (GtkComboBox *combo, gpointer data)	{
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (data);
	const char *texto;
	int n, g;
	char endptr;
	GtkWidget *entry;
	
	entry = gtk_bin_get_child (GTK_BIN (combo));
	texto = gtk_entry_get_text (GTK_ENTRY (entry));
	
	n = sscanf (texto, "%i%c", &g, &endptr);
	if (n != 1 || g > 255) {
		dialog->priv->valid_route_protocol = FALSE;
		gtk_entry_set_icon_from_icon_name (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY, "dialog-warning");
	} else {
		dialog->priv->valid_route_protocol = TRUE;
		gtk_entry_set_icon_from_icon_name (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY, NULL);
	}
	
	ni_add_route_dialog_update_response (dialog);
}

static void ni_add_route_dialog_validate_prefsrc_ip (GtkEditable *editable, gpointer data) {
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (data);
	const gchar *texto;
	int prefix;
	
	texto = gtk_entry_get_text (GTK_ENTRY (dialog->priv->entry_prefsrc));
	
	dialog->priv->valid_prefsrc = FALSE;
	if (dialog->priv->family == AF_INET || dialog->priv->family == AF_UNSPEC) {
		dialog->priv->valid_prefsrc = ip_valid_ipv4 (texto);
		if (dialog->priv->valid_prefsrc) {
			gtk_entry_set_icon_from_icon_name (GTK_ENTRY (dialog->priv->entry_prefsrc), GTK_ENTRY_ICON_SECONDARY, NULL);
			ni_add_route_dialog_update_response (dialog);
			return;
		}
	}
	
	if (dialog->priv->family == AF_INET6 || dialog->priv->family == AF_UNSPEC) {
		dialog->priv->valid_prefsrc = ip_valid_ipv6 (texto);
	}
	
	if (dialog->priv->valid_prefsrc) {
		gtk_entry_set_icon_from_icon_name (GTK_ENTRY (dialog->priv->entry_prefsrc), GTK_ENTRY_ICON_SECONDARY, NULL);
	} else {
		gtk_entry_set_icon_from_icon_name (GTK_ENTRY (dialog->priv->entry_prefsrc), GTK_ENTRY_ICON_SECONDARY, "dialog-warning");
	}
	ni_add_route_dialog_update_response (dialog);
}

void ni_add_route_dialog_toggle_prefsrc_cb (GtkWidget *widget, gpointer data) {
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (data);
	
	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
		gtk_widget_set_sensitive (dialog->priv->entry_prefsrc, TRUE);
		ni_add_route_dialog_validate_prefsrc_ip (NULL, dialog);
	} else {
		gtk_widget_set_sensitive (dialog->priv->entry_prefsrc, FALSE);
		dialog->priv->valid_prefsrc = TRUE;
	}
	ni_add_route_dialog_update_response (dialog);
}

/* Función para renderizar la tabla y el nombre con guion separado */
void ni_add_route_dialog_cell_renderer_table_id (GtkCellLayout *cell_layout, GtkCellRenderer *cell, GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data) {
	const gchar *name;
	
	gtk_tree_model_get (tree_model, iter, COL_TABLE_NAME, &name, -1);
	
	if (name == NULL) {
		g_object_set (cell, "text", "(Sin nombre)", NULL);
	} else {
		g_object_set (cell, "text", name, NULL);
	}
}

static void ni_add_route_dialog_constructed (GObject *obj) {
	GObjectClass *parent_class = G_OBJECT_CLASS (g_type_class_peek (GTK_TYPE_DIALOG));
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (obj);
	GList *g, *route_table_names;
	struct _NIClientRouteTable *rtable;
	char buffer[256];
	
	parent_class->constructed (obj);
	
	if (dialog->priv->ni_client == NULL) return;
	
	/* Conectar la señal de tabla de ruteo agregada */
	//g_signal_connect (window_route->priv->ni_client, "new-route", G_CALLBACK (ni_window_interface_new_route_cb), window_route);
	
	route_table_names = ni_client_get_route_tables_names (dialog->priv->ni_client);
	for (g = route_table_names; g != NULL; g = g->next) {
		rtable = (struct _NIClientRouteTable *) g->data;
		
		if (rtable->table == 0) continue;
		snprintf (buffer, sizeof (buffer), "%i", rtable->table);
		gtk_list_store_insert_with_values (dialog->priv->tables_store, NULL, -1, COL_TABLE_ID, rtable->table, COL_TABLE_ID_STR, buffer, COL_TABLE_NAME, rtable->name, -1);
	}
}

static void ni_add_route_dialog_dispose (GObject *obj) {
	NIAddRouteDialog *dialog;
	GObjectClass *parent_class = G_OBJECT_CLASS (g_type_class_peek (GTK_TYPE_DIALOG));
	
	dialog = NI_ADD_ROUTE_DIALOG (obj);
	
	if (dialog->priv->ni_client != NULL) {
		g_object_unref (dialog->priv->ni_client);
		dialog->priv->ni_client = NULL;
	}
	
	parent_class->dispose (obj);
}

static void ni_add_route_dialog_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) {
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (object);
	g_return_if_fail (NI_IS_ADD_ROUTE_DIALOG (object));
	
	switch (prop_id) {
		case PROP_ROUTE_FAMILY:
			dialog->priv->family = g_value_get_uint (value);
			if (dialog->priv->family == AF_UNSPEC) {
				gtk_entry_set_placeholder_text (GTK_ENTRY (dialog->priv->destination), "192.0.2.1/24 or 2001:db8::1/64");
			} else if (dialog->priv->family == AF_INET) {
				gtk_entry_set_placeholder_text (GTK_ENTRY (dialog->priv->destination), "192.0.2.1/24");
			} else if (dialog->priv->family == AF_INET6) {
				gtk_entry_set_placeholder_text (GTK_ENTRY (dialog->priv->destination), "2001:db8::1/64");
			}
			break;
		case PROP_NI_CLIENT:
			dialog->priv->ni_client = NI_CLIENT (g_value_get_object (value));
			g_object_ref (dialog->priv->ni_client);
			break;
		default:
			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
	}
}

static void ni_add_route_dialog_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) {
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (object);
	g_return_if_fail (NI_IS_ADD_ROUTE_DIALOG (object));

	switch (prop_id) {
		case PROP_ROUTE_FAMILY:
			g_value_set_uint (value, dialog->priv->family);
			break;
		case PROP_NI_CLIENT:
			g_value_set_object (value, dialog->priv->ni_client);
			break;
		default:
			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
	}
}

static void ni_add_route_dialog_class_init (NIAddRouteDialogClass *klass) {
	GObjectClass *object_class = G_OBJECT_CLASS (klass);
	GtkWindowClass *window_class = GTK_WINDOW_CLASS (klass);
	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
	GtkDialogClass *dialog_class = GTK_DIALOG_CLASS (klass);
	
	object_class->set_property = ni_add_route_dialog_set_property;
	object_class->get_property = ni_add_route_dialog_get_property;
	object_class->constructed = ni_add_route_dialog_constructed;
	object_class->dispose = ni_add_route_dialog_dispose;
	
	obj_properties[PROP_ROUTE_FAMILY] = g_param_spec_uint (
		"family",
		"Network family",
		"Network family to allow",
		0, 10, AF_UNSPEC,
		G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
	
	obj_properties[PROP_NI_CLIENT] = g_param_spec_object (
		"ni-client",
		"Network Inador Client",
		"The client object",
		NI_TYPE_CLIENT,
		G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
	
	g_object_class_install_properties (object_class, N_PROPERTIES, obj_properties);
}

static struct _NIAddRouteGW *ni_add_route_dialog_create_gw_row (NIAddRouteDialog *dialog) {
	struct _NIAddRouteGW *gw_row;
	GtkWidget *label, *button;
	
	gw_row = (struct _NIAddRouteGW *) malloc (sizeof (struct _NIAddRouteGW));
	if (gw_row == NULL) return NULL;
	
	gw_row->dialog = dialog;
	
	gw_row->hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
	//gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
	
	if (dialog->priv->gw_count > 0) {
		button = gtk_button_new_from_icon_name ("list-remove", GTK_ICON_SIZE_BUTTON);
		g_signal_connect (button, "clicked", G_CALLBACK (ni_add_route_dialog_remove_gw_row_cb), gw_row);
		gtk_box_pack_start (GTK_BOX (gw_row->hbox), button, FALSE, FALSE, 0);
	}
	
	label = gtk_label_new ("Puerta de enlace:");
	gtk_box_pack_start (GTK_BOX (gw_row->hbox), label, FALSE, FALSE, 0);
	
	gw_row->gw = gtk_entry_new ();
	g_signal_connect (gw_row->gw, "changed", G_CALLBACK (ni_add_route_dialog_validate_gws), dialog);
	gtk_box_pack_start (GTK_BOX (gw_row->hbox), gw_row->gw, TRUE, TRUE, 0);
	
	gw_row->hbox_weight = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
	gtk_box_pack_start (GTK_BOX (gw_row->hbox), gw_row->hbox_weight, FALSE, FALSE, 5);
	gtk_size_group_add_widget (dialog->priv->weight_sizer, gw_row->hbox_weight);
	
	gw_row->label_weight = gtk_label_new ("Peso:");
	gtk_widget_hide (gw_row->label_weight);
	gtk_box_pack_start (GTK_BOX (gw_row->hbox_weight), gw_row->label_weight, FALSE, FALSE, 0);
	
	gw_row->weight = gtk_spin_button_new_with_range (0.0, 9000.0, 10.0);
	gtk_widget_hide (gw_row->weight);
	gtk_box_pack_start (GTK_BOX (gw_row->hbox_weight), gw_row->weight, TRUE, TRUE, 0);
	
	return gw_row;
}

static void ni_add_route_dialog_remove_gw_row_cb (GtkWidget *button, gpointer data) {
	struct _NIAddRouteGW *gw_row = (struct _NIAddRouteGW *) data;
	NIAddRouteDialog *dialog = gw_row->dialog;
	NIAddRouteDialogPrivate *priv = dialog->priv;
	
	gtk_size_group_remove_widget (priv->weight_sizer, gw_row->hbox_weight);
	
	priv->gws = g_list_remove (priv->gws, gw_row);
	priv->gw_count--;
	gtk_widget_destroy (gw_row->hbox);
	free (gw_row);
	
	if (priv->gw_count == 1) {
		/* Volver a ocultar la caja de peso de la única fila */
		gw_row = (struct _NIAddRouteGW *) priv->gws->data;
		gtk_widget_hide (gw_row->hbox_weight);
	}
}

static void ni_add_route_dialog_add_more_gw_cb (GtkWidget *button, gpointer data) {
	struct _NIAddRouteGW *gw_row;
	NIAddRouteDialog *dialog = NI_ADD_ROUTE_DIALOG (data);
	NIAddRouteDialogPrivate *priv = ni_add_route_dialog_get_instance_private (dialog);
	GValue gval = G_VALUE_INIT;
	gint pos;
	GtkWidget *vbox_parent, *image;
	
	/* Si es la única fila, mostrar la caja de peso */
	if (priv->gw_count == 1) {
		gw_row = (struct _NIAddRouteGW *) priv->gws->data;
		gtk_widget_show (gw_row->hbox_weight);
	}
	
	/* Desconectar esta señal y conectarla a eliminar */
	vbox_parent = gtk_widget_get_parent (priv->add_gw_button);
	g_value_init (&gval, G_TYPE_INT);
	gtk_container_child_get_property (GTK_CONTAINER (vbox_parent), priv->add_gw_button, "position", &gval);
	pos = g_value_get_int (&gval);
	
	/* Ahora, crear una nueva fila */
	gw_row = ni_add_route_dialog_create_gw_row (dialog);
	if (gw_row != NULL) {
		gtk_box_pack_start (GTK_BOX (vbox_parent), gw_row->hbox, FALSE, FALSE, 0);
		gtk_box_reorder_child (GTK_BOX (vbox_parent), gw_row->hbox, pos);
		gtk_widget_show_all (gw_row->hbox);
		priv->gws = g_list_append (priv->gws, gw_row);
		priv->gw_count++;
		gtk_window_set_focus (GTK_WINDOW (dialog), gw_row->gw);
	}
}

static void ni_add_route_dialog_init (NIAddRouteDialog *dialog) {
	NIAddRouteDialogPrivate *priv = ni_add_route_dialog_get_instance_private (dialog);
	GtkWidget *image, *entry;
	GtkWidget *vbox, *expander;
	GtkWidget *container, *label, *hbox;
	GtkTreeIter iter;
	GtkCellRenderer *renderer;
	struct _NIAddRouteGW *gw_row;
	GtkListStore *store;
	
	dialog->priv = priv;
	
	priv->family = AF_UNSPEC;
	
	gtk_window_set_title (GTK_WINDOW (dialog), "Add new Route");
	
	gtk_dialog_add_button (GTK_DIALOG (dialog), "Cancelar", GTK_RESPONSE_CANCEL);
	
	priv->button_add = gtk_dialog_add_button (GTK_DIALOG (dialog), "Agregar", GTK_RESPONSE_OK);
	image = gtk_image_new_from_icon_name ("list-add", GTK_ICON_SIZE_BUTTON);
	gtk_button_set_image (GTK_BUTTON (priv->button_add), image);
	gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, FALSE);
	
	container = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
	vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
	gtk_box_pack_start (GTK_BOX (container), vbox, TRUE, TRUE, 0);
	
	label = gtk_label_new ("Ingrese los detalles sobre la ruta:");
	gtk_label_set_xalign (GTK_LABEL (label), 0.0);
	gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 5);
	
	/* La caja de la ruta */
	hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
	
	label = gtk_label_new ("Destino:");
	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
	
	priv->destination = gtk_entry_new ();
	gtk_entry_set_placeholder_text (GTK_ENTRY (priv->destination), "192.0.2.1/24 or 2001:db8::1/64");
	g_signal_connect (priv->destination, "changed", G_CALLBACK (ni_add_route_dialog_validate_main_ip), dialog);
	gtk_box_pack_start (GTK_BOX (hbox), priv->destination, TRUE, TRUE, 0);
	
	priv->weight_sizer = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
	
	/* Primero crear una sola fila de gateway */
	priv->gw_count = 0;
	priv->gws = NULL;
	gw_row = ni_add_route_dialog_create_gw_row (dialog);
	
	if (gw_row != NULL) {
		gtk_box_pack_start (GTK_BOX (vbox), gw_row->hbox, FALSE, FALSE, 0);
		priv->gws = g_list_append (NULL, gw_row);
		priv->gw_count = 1;
	}
	
	priv->add_gw_button = gtk_button_new_with_label ("Agregar un siguiente brinco");
	g_signal_connect (priv->add_gw_button, "clicked", G_CALLBACK (ni_add_route_dialog_add_more_gw_cb), dialog);
	image = gtk_image_new_from_icon_name ("list-add", GTK_ICON_SIZE_BUTTON);
	gtk_button_set_image (GTK_BUTTON (priv->add_gw_button), image);
	gtk_box_pack_start (GTK_BOX (vbox), priv->add_gw_button, FALSE, FALSE, 0);
	
	/* La métrica */
	hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
	
	label = gtk_label_new ("Metrica:");
	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
	
	priv->metric = gtk_spin_button_new_with_range (0.0, 9000.0, 10.0);
	g_signal_connect (priv->metric, "change-value", G_CALLBACK (ni_add_route_dialog_validate_metric), dialog);
	gtk_spin_button_set_digits (GTK_SPIN_BUTTON (priv->metric), 0);
	// gtk_spin_button_get_value_as_int
	gtk_box_pack_start (GTK_BOX (hbox), priv->metric, TRUE, TRUE, 0);
	
	
	// Las opciones avanzadas
	expander = gtk_expander_new_with_mnemonic ("_Opciones avanzadas");
	gtk_box_pack_start (GTK_BOX (vbox), expander, FALSE, FALSE, 0);
	
	vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
	gtk_container_add (GTK_CONTAINER (expander), vbox);
	
	/* La tabla de ruteo */
	hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 3);
	
	label = gtk_label_new ("Tabla de ruteo:");
	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
	
	priv->tables_store = gtk_list_store_new (NUM_TABLE_STORE_COLS, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING);
	
	gtk_list_store_insert_with_values (priv->tables_store, &iter, -1, COL_TABLE_ID, 0, COL_TABLE_ID_STR, "0", COL_TABLE_NAME, "Por defecto", -1);
	
	
	
	priv->entry_tabla = gtk_combo_box_new_with_model_and_entry (GTK_TREE_MODEL (priv->tables_store));
	g_signal_connect (priv->entry_tabla, "changed", G_CALLBACK (ni_add_route_dialog_validate_route_table), dialog);
	renderer = gtk_cell_renderer_text_new ();
	gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (priv->entry_tabla), renderer, TRUE);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (priv->entry_tabla), renderer, ni_add_route_dialog_cell_renderer_table_id, NULL, NULL);
	gtk_combo_box_set_entry_text_column (GTK_COMBO_BOX (priv->entry_tabla), COL_TABLE_ID_STR);
	gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->entry_tabla), &iter);
	
	g_object_unref (priv->tables_store);
	gtk_box_pack_start (GTK_BOX (hbox), priv->entry_tabla, TRUE, TRUE, 0);
	
	/* La opción avanzada de tipo de tipo de ruta */
	hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 3);
	
	label = gtk_label_new ("Tipo de ruta:");
	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
	
	store = gtk_list_store_new (NUM_ROUTE_PROTOCOL_COLS, G_TYPE_STRING, G_TYPE_STRING);
	gtk_list_store_insert_with_values (store, NULL, -1, COL_ROUTE_PROTOCOL_STR, "2", COL_ROUTE_PROTOCOL_DESC, "Kernel", -1);
	gtk_list_store_insert_with_values (store, NULL, -1, COL_ROUTE_PROTOCOL_STR, "3", COL_ROUTE_PROTOCOL_DESC, "Arranque (Boot)", -1);
	gtk_list_store_insert_with_values (store, &iter, -1, COL_ROUTE_PROTOCOL_STR, "4", COL_ROUTE_PROTOCOL_DESC, "Estática", -1);
	gtk_list_store_insert_with_values (store, NULL, -1, COL_ROUTE_PROTOCOL_STR, "16", COL_ROUTE_PROTOCOL_DESC, "Por DHCP", -1);
	
	priv->entry_protocol = gtk_combo_box_new_with_model_and_entry (GTK_TREE_MODEL (store));
	g_signal_connect (priv->entry_protocol, "changed", G_CALLBACK (ni_add_route_dialog_validate_route_protocol), dialog);
	renderer = gtk_cell_renderer_text_new ();
	gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (priv->entry_protocol), renderer, TRUE);
	gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (priv->entry_protocol), renderer, "text", COL_ROUTE_PROTOCOL_DESC);
	gtk_combo_box_set_entry_text_column (GTK_COMBO_BOX (priv->entry_protocol), COL_ROUTE_PROTOCOL_STR);
	gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->entry_protocol), &iter);
	
	g_object_unref (store);
	gtk_box_pack_start (GTK_BOX (hbox), priv->entry_protocol, TRUE, TRUE, 0);
	
	/* Agregar pref-src en las opciones avanzadas */
	hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 3);
	
	priv->check_prefsrc = gtk_check_button_new_with_label ("Pref src:");
	g_signal_connect (priv->check_prefsrc, "toggled", G_CALLBACK (ni_add_route_dialog_toggle_prefsrc_cb), dialog);
	gtk_box_pack_start (GTK_BOX (hbox), priv->check_prefsrc, FALSE, FALSE, 0);
	
	priv->entry_prefsrc = gtk_entry_new ();
	g_signal_connect (priv->entry_prefsrc, "changed", G_CALLBACK (ni_add_route_dialog_validate_prefsrc_ip), dialog);
	gtk_box_pack_start (GTK_BOX (hbox), priv->entry_prefsrc, TRUE, TRUE, 0);
	gtk_widget_set_sensitive (priv->entry_prefsrc, FALSE);
	
	dialog->priv->valid_main_ip = FALSE;
	dialog->priv->valid_gw = FALSE;
	dialog->priv->valid_metric = TRUE;
	dialog->priv->valid_route_table = TRUE;
	dialog->priv->valid_route_protocol = TRUE;
	dialog->priv->valid_prefsrc = TRUE;
	
	gtk_widget_show_all (container);
	
	if (gw_row != NULL) {
		gtk_widget_hide (gw_row->hbox_weight);
	}
}

gboolean ni_add_route_dialog_get_destination (NIAddRouteDialog *dialog, struct_addr *addr, int *prefix) {
	const gchar *texto;
	gchar *rest, ip[128], mask[32];
	int lprefix;
	gboolean valid;
	
	texto = gtk_entry_get_text (GTK_ENTRY (dialog->priv->destination));
	
	split_ip_mask (texto, ip, sizeof (ip), mask, sizeof (mask));
	
	if (mask[0] != 0) {
		lprefix = g_ascii_strtoll (mask, &rest, 10);
		
		if (rest[0] != 0) {
			return FALSE;
		}
	}
	
	if (dialog->priv->family == AF_INET || dialog->priv->family == AF_UNSPEC) {
		valid = ip_valid_ipv4 (ip);
		if (valid == FALSE ||
		    (mask[0] != 0 && (lprefix <= 0 || lprefix > 32))) {
			if (dialog->priv->family == AF_INET) {
				return FALSE;
			}
		} else {
			*prefix = 32;
			if (mask[0] != 0) {
				*prefix = lprefix;
			}
			inet_pton (AF_INET, ip, addr);
			
			return TRUE;
		}
	}
	
	if (dialog->priv->family == AF_INET6 || dialog->priv->family == AF_UNSPEC) {
		valid = ip_valid_ipv6 (ip);
		if (valid == FALSE || (mask[0] != 0 && (lprefix <= 0 || lprefix > 128))) {
			return FALSE;
		} else {
			*prefix = 128;
			if (mask[0] != 0) {
				*prefix = lprefix;
			}
			inet_pton (AF_INET6, ip, addr);
		}
	}
	
	return FALSE;
}

GList *ni_add_route_dialog_get_gateways (NIAddRouteDialog *dialog) {
	GList *result = NULL, *h;
	int g, ret;
	struct NIAddRouteDialogGW *gw;
	struct _NIAddRouteGW *gw_row;
	const char *gw_texto;
	
	for (g = 0; g < dialog->priv->gw_count; g++) {
		gw = (struct NIAddRouteDialogGW *) g_malloc (sizeof (struct NIAddRouteDialogGW));
		
		h = g_list_nth (dialog->priv->gws, g);
		gw_row = (struct _NIAddRouteGW *) h->data;
		
		gw_texto = gtk_entry_get_text (GTK_ENTRY (gw_row->gw));
		
		if (dialog->priv->family == AF_INET) {
			inet_pton (AF_INET, gw_texto, &gw->addr);
		} else if (dialog->priv->family == AF_INET6) {
			inet_pton (AF_INET6, gw_texto, &gw->addr);
		} else {
			/* UNSPEC */
			ret = inet_pton (AF_INET, gw_texto, &gw->addr);
			if (ret == 0) {
				inet_pton (AF_INET6, gw_texto, &gw->addr);
			}
		}
		
		gw_texto = gtk_entry_get_text (GTK_ENTRY (gw_row->weight));
		
		gw->metric = g_ascii_strtoll (gw_texto, NULL, 10);
		
		result = g_list_append (result, gw);
	}
	
	return result;
}

int ni_add_route_dialog_get_metric (NIAddRouteDialog *dialog) {
	gdouble val;
	
	val = gtk_spin_button_get_value (GTK_SPIN_BUTTON (dialog->priv->metric));
	
	return (int) val;
}

int ni_add_route_dialog_get_route_table (NIAddRouteDialog *dialog) {
	const char *texto;
	
	texto = gtk_entry_get_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (dialog->priv->entry_tabla))));
	
	return g_ascii_strtoll (texto, NULL, 10);
}

int ni_add_route_dialog_get_route_protocol (NIAddRouteDialog *dialog) {
	const char *texto;
	
	texto = gtk_entry_get_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (dialog->priv->entry_protocol))));
	
	return g_ascii_strtoll (texto, NULL, 10);
}

gboolean ni_add_route_dialog_has_prefsrc_address (NIAddRouteDialog *dialog) {
	return gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (dialog->priv->check_prefsrc));
}

gboolean ni_add_route_dialog_get_prefsrc_address (NIAddRouteDialog *dialog, struct_addr *addr) {
	gboolean valid;
	const gchar *texto;
	
	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (dialog->priv->check_prefsrc)) == FALSE) {
		return FALSE;
	}
	
	texto = gtk_entry_get_text (GTK_ENTRY (dialog->priv->entry_prefsrc));
	
	if (dialog->priv->family == AF_INET || dialog->priv->family == AF_UNSPEC) {
		valid = ip_valid_ipv4 (texto);
		
		if (valid) {
			inet_pton (AF_INET, texto, addr);
			
			return TRUE;
		}
	}
	
	if (dialog->priv->family == AF_INET6 || dialog->priv->family == AF_UNSPEC) {
		valid = ip_valid_ipv6 (texto);
		
		if (valid) {
			inet_pton (AF_INET6, texto, addr);
			
			return TRUE;
		}
	}
	
	return FALSE;
}

GtkWidget* ni_add_route_dialog_new (int family, NIClient *ni_client) {
	NIAddRouteDialog *dialog;

	dialog = g_object_new (NI_TYPE_ADD_ROUTE_DIALOG, "family", family, "ni-client", ni_client, NULL);

	return GTK_WIDGET (dialog);
}