/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2013 Red Hat, Inc.
*/
/**
* SECTION:nmt-route-table
* @short_description: An editable list of IP4 or IP6 routes
*
* #NmtRouteTable implements a list of #NmtRouteEntry, plus headers,
* and buttons to add and remove entries.
*/
#include "nm-default.h"
#include <arpa/inet.h>
#include <netinet/in.h>
#include <stdlib.h>
#include "nmt-route-table.h"
#include "nmt-route-entry.h"
#include "nmt-widget-list.h"
G_DEFINE_TYPE(NmtRouteTable, nmt_route_table, NMT_TYPE_NEWT_GRID)
#define NMT_ROUTE_TABLE_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE((o), NMT_TYPE_ROUTE_TABLE, NmtRouteTablePrivate))
typedef struct {
int family;
int ip_entry_width;
int metric_entry_width;
GPtrArray * routes;
NmtNewtWidget *list;
} NmtRouteTablePrivate;
enum {
PROP_0,
PROP_FAMILY,
PROP_ROUTES,
LAST_PROP
};
/**
* nmt_route_table_new:
* @family: the address family, eg %AF_INET
*
* Creates a new #NmtRouteTable
*
* Returns: a new #NmtRouteTable
*/
NmtNewtWidget *
nmt_route_table_new(int family)
{
return g_object_new(NMT_TYPE_ROUTE_TABLE, "family", family, NULL);
}
static gboolean
route_list_transform_to_route(GBinding * binding,
const GValue *source_value,
GValue * target_value,
gpointer user_data)
{
NmtRouteTable * table = NMT_ROUTE_TABLE(g_binding_get_source(binding));
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(table);
int n = GPOINTER_TO_INT(user_data);
NMIPRoute * route;
if (n >= priv->routes->len)
return FALSE;
route = priv->routes->pdata[n];
g_value_set_boxed(target_value, route);
return TRUE;
}
static gboolean
route_list_transform_from_route(GBinding * binding,
const GValue *source_value,
GValue * target_value,
gpointer user_data)
{
NmtRouteTable * table = NMT_ROUTE_TABLE(g_binding_get_source(binding));
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(table);
int n = GPOINTER_TO_INT(user_data);
GPtrArray * routes;
NMIPRoute * route;
if (n >= priv->routes->len)
return FALSE;
route = priv->routes->pdata[n];
routes = priv->routes;
priv->routes = g_ptr_array_new_with_free_func((GDestroyNotify) nm_ip_route_unref);
if (route)
nm_ip_route_unref(route);
routes->pdata[n] = g_value_dup_boxed(source_value);
g_value_take_boxed(target_value, routes);
return TRUE;
}
static NmtNewtWidget *
create_route_entry(NmtWidgetList *list, int num, gpointer table)
{
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(table);
NmtNewtWidget * entry;
entry = nmt_route_entry_new(priv->family, priv->ip_entry_width, priv->metric_entry_width);
g_object_bind_property_full(table,
"routes",
entry,
"route",
G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE,
route_list_transform_to_route,
route_list_transform_from_route,
GINT_TO_POINTER(num),
NULL);
return entry;
}
static void
add_route(NmtWidgetList *list, gpointer table)
{
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(table);
NMIPRoute * route;
if (priv->family == AF_INET)
route = nm_ip_route_new(AF_INET, "0.0.0.0", 32, NULL, -1, NULL);
else
route = nm_ip_route_new(AF_INET6, "::", 128, NULL, -1, NULL);
g_ptr_array_add(priv->routes, route);
nmt_widget_list_set_length(list, priv->routes->len);
g_object_notify(table, "routes");
}
static void
remove_route(NmtWidgetList *list, int num, gpointer table)
{
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(table);
if (num >= priv->routes->len)
return;
g_ptr_array_remove_index(priv->routes, num);
nmt_widget_list_set_length(list, priv->routes->len);
g_object_notify(table, "routes");
}
static void
nmt_route_table_init(NmtRouteTable *table)
{
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(table);
NmtNewtWidget * header, *empty;
NmtNewtWidget * dest_prefix_label, *next_hop_label, *metric_label;
int dest_prefix_width, next_hop_width, metric_width;
char * text;
priv->routes = g_ptr_array_new_with_free_func((GDestroyNotify) nm_ip_route_unref);
header = nmt_newt_grid_new();
text = g_strdup_printf("%s/%s", _("Destination"), _("Prefix"));
dest_prefix_width = nmt_newt_text_width(text);
dest_prefix_label =
g_object_new(NMT_TYPE_NEWT_LABEL, "text", text, "style", NMT_NEWT_LABEL_PLAIN, NULL);
g_free(text);
nmt_newt_grid_add(NMT_NEWT_GRID(header), dest_prefix_label, 0, 0);
text = _("Next Hop");
next_hop_label =
g_object_new(NMT_TYPE_NEWT_LABEL, "text", text, "style", NMT_NEWT_LABEL_PLAIN, NULL);
next_hop_width = nmt_newt_text_width(text);
nmt_newt_grid_add(NMT_NEWT_GRID(header), next_hop_label, 1, 0);
text = _("Metric");
metric_label =
g_object_new(NMT_TYPE_NEWT_LABEL, "text", text, "style", NMT_NEWT_LABEL_PLAIN, NULL);
metric_width = nmt_newt_text_width(text);
nmt_newt_grid_add(NMT_NEWT_GRID(header), metric_label, 2, 0);
priv->ip_entry_width = MAX(20, MAX(dest_prefix_width, next_hop_width));
priv->metric_entry_width = MAX(7, metric_width);
nmt_newt_widget_set_padding(dest_prefix_label,
0,
0,
priv->ip_entry_width - dest_prefix_width,
0);
nmt_newt_widget_set_padding(next_hop_label, 2, 0, priv->ip_entry_width - next_hop_width, 0);
nmt_newt_widget_set_padding(metric_label, 2, 0, priv->metric_entry_width - metric_width, 0);
nmt_newt_grid_add(NMT_NEWT_GRID(table), header, 0, 0);
empty = nmt_newt_label_new(_("No custom routes are defined."));
priv->list = nmt_widget_list_new(create_route_entry, table, NULL, empty);
g_signal_connect(priv->list, "add-clicked", G_CALLBACK(add_route), table);
g_signal_connect(priv->list, "remove-clicked", G_CALLBACK(remove_route), table);
nmt_newt_grid_add(NMT_NEWT_GRID(table), priv->list, 0, 1);
}
static void
nmt_route_table_finalize(GObject *object)
{
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(object);
g_ptr_array_unref(priv->routes);
G_OBJECT_CLASS(nmt_route_table_parent_class)->finalize(object);
}
static void
nmt_route_table_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(object);
GPtrArray * array;
int i;
switch (prop_id) {
case PROP_FAMILY:
priv->family = g_value_get_int(value);
break;
case PROP_ROUTES:
array = g_value_get_boxed(value);
g_ptr_array_set_size(priv->routes, 0);
for (i = 0; i < array->len; i++) {
nm_ip_route_ref(array->pdata[i]);
g_ptr_array_add(priv->routes, array->pdata[i]);
}
nmt_widget_list_set_length(NMT_WIDGET_LIST(priv->list), priv->routes->len);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
nmt_route_table_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
NmtRouteTablePrivate *priv = NMT_ROUTE_TABLE_GET_PRIVATE(object);
switch (prop_id) {
case PROP_FAMILY:
g_value_set_int(value, priv->family);
break;
case PROP_ROUTES:
g_value_set_boxed(value, priv->routes);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
nmt_route_table_class_init(NmtRouteTableClass *table_class)
{
GObjectClass *object_class = G_OBJECT_CLASS(table_class);
g_type_class_add_private(table_class, sizeof(NmtRouteTablePrivate));
/* virtual methods */
object_class->set_property = nmt_route_table_set_property;
object_class->get_property = nmt_route_table_get_property;
object_class->finalize = nmt_route_table_finalize;
/**
* NmtRouteTable:family:
*
* The network address family of the routes, eg %AF_INET
*/
g_object_class_install_property(
object_class,
PROP_FAMILY,
g_param_spec_int("family",
"",
"",
-1,
G_MAXINT,
-1,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
/**
* NmtRouteTable:routes:
*
* The array of routes, suitable for binding to #NMSettingIP4Config:routes
* or #NMSettingIP6Config:routes.
*
* Element-type: NMIPRoute
*/
g_object_class_install_property(object_class,
PROP_ROUTES,
g_param_spec_boxed("routes",
"",
"",
G_TYPE_PTR_ARRAY,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}