// SPDX-License-Identifier: GPL-2.0+
/* NetworkManager Connection editor -- Connection editor for NetworkManager
*
* Dan Williams <dcbw@redhat.com>
*
* Copyright 2008 - 2014 Red Hat, Inc.
*/
#include "nm-default.h"
#include <string.h>
#include <math.h>
#include "nm-connection-editor.h"
#include "page-wifi.h"
G_DEFINE_TYPE (CEPageWifi, ce_page_wifi, CE_TYPE_PAGE)
#define CE_PAGE_WIFI_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), CE_TYPE_PAGE_WIFI, CEPageWifiPrivate))
typedef struct {
NMSettingWireless *setting;
GtkEntry *ssid;
GtkComboBoxText *bssid;
GtkComboBoxText *device_combo; /* Device identification (ifname and/or MAC) */
GtkComboBoxText *cloned_mac; /* Cloned MAC - used for MAC spoofing */
GtkComboBox *mode;
GtkComboBox *band;
GtkSpinButton *channel;
GtkSpinButton *rate;
GtkSpinButton *tx_power;
GtkSpinButton *mtu;
GtkSizeGroup *group;
int last_channel;
} CEPageWifiPrivate;
static void
wifi_private_init (CEPageWifi *self)
{
CEPageWifiPrivate *priv = CE_PAGE_WIFI_GET_PRIVATE (self);
GtkBuilder *builder;
GtkWidget *widget;
GtkWidget *vbox;
GtkLabel *label;
builder = CE_PAGE (self)->builder;
priv->group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
priv->ssid = GTK_ENTRY (gtk_builder_get_object (builder, "wifi_ssid"));
priv->cloned_mac = GTK_COMBO_BOX_TEXT (gtk_builder_get_object (builder, "wifi_cloned_mac"));
priv->mode = GTK_COMBO_BOX (gtk_builder_get_object (builder, "wifi_mode"));
priv->band = GTK_COMBO_BOX (gtk_builder_get_object (builder, "wifi_band"));
priv->channel = GTK_SPIN_BUTTON (gtk_builder_get_object (builder, "wifi_channel"));
/* BSSID */
priv->bssid = GTK_COMBO_BOX_TEXT (gtk_combo_box_text_new_with_entry ());
gtk_combo_box_set_entry_text_column (GTK_COMBO_BOX (priv->bssid), 0);
gtk_widget_set_tooltip_text (GTK_WIDGET (priv->bssid),
_("This option locks this connection to the Wi-Fi access point (AP) specified by the BSSID entered here. Example: 00:11:22:33:44:55"));
vbox = GTK_WIDGET (gtk_builder_get_object (builder, "wifi_bssid_vbox"));
gtk_container_add (GTK_CONTAINER (vbox), GTK_WIDGET (priv->bssid));
gtk_widget_set_halign (GTK_WIDGET (priv->bssid), GTK_ALIGN_FILL);
gtk_widget_show_all (GTK_WIDGET (priv->bssid));
/* Device MAC */
priv->device_combo = GTK_COMBO_BOX_TEXT (gtk_combo_box_text_new_with_entry ());
gtk_combo_box_set_entry_text_column (GTK_COMBO_BOX (priv->device_combo), 0);
gtk_widget_set_tooltip_text (GTK_WIDGET (priv->device_combo),
_("This option locks this connection to the network device specified "
"either by its interface name or permanent MAC or both. Examples: "
"“wlan0”, “3C:97:0E:42:1A:19”, “wlan0 (3C:97:0E:42:1A:19)”"));
vbox = GTK_WIDGET (gtk_builder_get_object (builder, "wifi_device_vbox"));
gtk_container_add (GTK_CONTAINER (vbox), GTK_WIDGET (priv->device_combo));
gtk_widget_set_halign (GTK_WIDGET (priv->device_combo), GTK_ALIGN_FILL);
gtk_widget_show_all (GTK_WIDGET (priv->device_combo));
/* Set mnemonic widget for Device label */
label = GTK_LABEL (gtk_builder_get_object (builder, "wifi_device_label"));
gtk_label_set_mnemonic_widget (label, GTK_WIDGET (priv->device_combo));
priv->rate = GTK_SPIN_BUTTON (gtk_builder_get_object (builder, "wifi_rate"));
widget = GTK_WIDGET (gtk_builder_get_object (builder, "rate_units"));
gtk_size_group_add_widget (priv->group, widget);
priv->tx_power = GTK_SPIN_BUTTON (gtk_builder_get_object (builder, "wifi_tx_power"));
widget = GTK_WIDGET (gtk_builder_get_object (builder, "tx_power_units"));
gtk_size_group_add_widget (priv->group, widget);
priv->mtu = GTK_SPIN_BUTTON (gtk_builder_get_object (builder, "wifi_mtu"));
widget = GTK_WIDGET (gtk_builder_get_object (builder, "mtu_units"));
gtk_size_group_add_widget (priv->group, widget);
}
static gboolean
band_helper (CEPageWifi *self, gboolean *aband, gboolean *gband)
{
CEPageWifiPrivate *priv = CE_PAGE_WIFI_GET_PRIVATE (self);
switch (gtk_combo_box_get_active (priv->band)) {
case 1: /* A */
*gband = FALSE;
return TRUE;
case 2: /* B/G */
*aband = FALSE;
return TRUE;
default:
return FALSE;
}
}
static gint
channel_spin_input_cb (GtkSpinButton *spin, gdouble *new_val, gpointer user_data)
{
CEPageWifi *self = CE_PAGE_WIFI (user_data);
gdouble channel;
guint32 int_channel = 0;
gboolean aband = TRUE;
gboolean gband = TRUE;
if (!band_helper (self, &aband, &gband))
return GTK_INPUT_ERROR;
channel = g_strtod (gtk_entry_get_text (GTK_ENTRY (spin)), NULL);
if (channel - floor (channel) < ceil (channel) - channel)
int_channel = floor (channel);
else
int_channel = ceil (channel);
if (nm_utils_wifi_channel_to_freq (int_channel, aband ? "a" : "bg") == -1)
return GTK_INPUT_ERROR;
*new_val = channel;
return 1;
}
static gint
channel_spin_output_cb (GtkSpinButton *spin, gpointer user_data)
{
CEPageWifi *self = CE_PAGE_WIFI (user_data);
CEPageWifiPrivate *priv = CE_PAGE_WIFI_GET_PRIVATE (self);
int channel;
gchar *buf = NULL;
guint32 freq;
gboolean aband = TRUE;
gboolean gband = TRUE;
if (!band_helper (self, &aband, &gband))
buf = g_strdup (_("default"));
else {
channel = gtk_spin_button_get_value_as_int (spin);
if (channel == 0)
buf = g_strdup (_("default"));
else {
int direction = 0;
freq = nm_utils_wifi_channel_to_freq (channel, aband ? "a" : "bg");
if (freq == -1) {
if (priv->last_channel < channel)
direction = 1;
else if (priv->last_channel > channel)
direction = -1;
channel = nm_utils_wifi_find_next_channel (channel, direction, aband ? "a" : "bg");
gtk_spin_button_set_value (spin, channel);
freq = nm_utils_wifi_channel_to_freq (channel, aband ? "a" : "bg");
if (freq == -1) {
g_warning ("%s: invalid channel %d!", __func__, channel);
gtk_spin_button_set_value (spin, 0);
goto out;
}
}
/* Set spin button to zero to go to "default" from the lowest channel */
if (direction == -1 && priv->last_channel == channel) {
buf = g_strdup_printf (_("default"));
gtk_spin_button_set_value (spin, 0);
channel = 0;
} else
buf = g_strdup_printf (_("%u (%u MHz)"), channel, freq);
}
priv->last_channel = channel;
}
if (strcmp (buf, gtk_entry_get_text (GTK_ENTRY (spin))))
gtk_entry_set_text (GTK_ENTRY (spin), buf);
out:
g_free (buf);
return 1;
}
static void
band_value_changed_cb (GtkComboBox *box, gpointer user_data)
{
CEPageWifi *self = CE_PAGE_WIFI (user_data);
CEPageWifiPrivate *priv = CE_PAGE_WIFI_GET_PRIVATE (self);
gboolean sensitive;
priv->last_channel = 0;
gtk_spin_button_set_value (priv->channel, 0);
switch (gtk_combo_box_get_active (GTK_COMBO_BOX (box))) {
case 1: /* A */
case 2: /* B/G */
sensitive = TRUE;
break;
default:
sensitive = FALSE;
break;
}
gtk_widget_set_sensitive (GTK_WIDGET (priv->channel), sensitive);
ce_page_changed (CE_PAGE (self));
}
static void
mode_combo_changed_cb (GtkComboBox *combo,
gpointer user_data)
{
CEPageWifi *self = CE_PAGE_WIFI (user_data);
CEPageWifiPrivate *priv = CE_PAGE_WIFI_GET_PRIVATE (self);
CEPage *parent = CE_PAGE (self);
GtkWidget *widget_band_label, *widget_chan_label, *widget_bssid_label;
gboolean show_freq = TRUE;
gboolean show_bssid = TRUE;
gboolean hotspot = FALSE;
switch (gtk_combo_box_get_active (GTK_COMBO_BOX (combo))) {
case 1: /* hotspot */
hotspot = TRUE;
/* fall through */
case 2: /* adhoc */
/* BSSID is random and is created by kernel for Ad-Hoc networks
* http://lxr.linux.no/linux+v3.7.6/net/mac80211/ibss.c#L685
* For AP-mode, the BSSID is the MAC address of the device.
*/
show_bssid = FALSE;
break;
default: /* infrastructure */
break;
}
nm_connection_editor_inter_page_set_value (parent->editor,
INTER_PAGE_CHANGE_WIFI_MODE,
GUINT_TO_POINTER (hotspot));
widget_band_label = GTK_WIDGET (gtk_builder_get_object (parent->builder, "wifi_band_label"));
widget_chan_label = GTK_WIDGET (gtk_builder_get_object (parent->builder, "wifi_channel_label"));
widget_bssid_label = GTK_WIDGET (gtk_builder_get_object (parent->builder, "wifi_bssid_label"));
gtk_widget_set_visible (widget_band_label, show_freq);
gtk_widget_set_sensitive (widget_band_label, show_freq);
gtk_widget_set_visible (GTK_WIDGET (priv->band), show_freq);
gtk_widget_set_sensitive (GTK_WIDGET (priv->band), show_freq);
gtk_widget_set_visible (widget_chan_label, show_freq);
gtk_widget_set_sensitive (widget_chan_label, show_freq);
gtk_widget_set_visible (GTK_WIDGET (priv->channel), show_freq);
gtk_widget_set_sensitive (GTK_WIDGET (priv->channel), show_freq);
gtk_widget_set_visible (widget_bssid_label, show_bssid);
gtk_widget_set_sensitive (widget_bssid_label, show_bssid);
gtk_widget_set_visible (GTK_WIDGET (priv->bssid), show_bssid);
gtk_widget_set_sensitive (GTK_WIDGET (priv->bssid), show_bssid);
ce_page_changed (CE_PAGE (self));
}
static void
populate_ui (CEPageWifi *self)
{
CEPageWifiPrivate *priv = CE_PAGE_WIFI_GET_PRIVATE (self);
NMSettingWireless *setting = priv->setting;
GBytes *ssid;
const char *mode;
const char *band;
int band_idx = 0;
int rate_def;
int tx_power_def;
int mtu_def;
char *utf8_ssid;
const char *s_ifname, *s_mac, *s_bssid;
GPtrArray *bssid_array;
char **bssid_list;
guint32 idx;
rate_def = ce_get_property_default (NM_SETTING (setting), NM_SETTING_WIRELESS_RATE);
ce_spin_automatic_val (priv->mtu, rate_def);
tx_power_def = ce_get_property_default (NM_SETTING (setting), NM_SETTING_WIRELESS_TX_POWER);
ce_spin_automatic_val (priv->mtu, tx_power_def);
g_signal_connect_swapped (priv->tx_power, "value-changed", G_CALLBACK (ce_page_changed), self);
mtu_def = ce_get_property_default (NM_SETTING (setting), NM_SETTING_WIRELESS_MTU);
ce_spin_automatic_val (priv->mtu, mtu_def);
g_signal_connect_swapped (priv->mtu, "value-changed", G_CALLBACK (ce_page_changed), self);
ssid = nm_setting_wireless_get_ssid (setting);
mode = nm_setting_wireless_get_mode (setting);
band = nm_setting_wireless_get_band (setting);
if (ssid)
utf8_ssid = nm_utils_ssid_to_utf8 (g_bytes_get_data (ssid, NULL),
g_bytes_get_size (ssid));
else
utf8_ssid = g_strdup ("");
gtk_entry_set_text (priv->ssid, utf8_ssid);
g_signal_connect_swapped (priv->ssid, "changed", G_CALLBACK (ce_page_changed), self);
g_free (utf8_ssid);
/* Default to Infrastructure */
gtk_combo_box_set_active (priv->mode, 0);
if (!g_strcmp0 (mode, "ap"))
gtk_combo_box_set_active (priv->mode, 1);
if (!g_strcmp0 (mode, "adhoc"))
gtk_combo_box_set_active (priv->mode, 2);
mode_combo_changed_cb (priv->mode, self);
g_signal_connect (priv->mode, "changed", G_CALLBACK (mode_combo_changed_cb), self);
g_signal_connect_object (priv->channel, "output",
G_CALLBACK (channel_spin_output_cb),
self,
0);
g_signal_connect_object (priv->channel, "input",
G_CALLBACK (channel_spin_input_cb),
self,
0);
gtk_widget_set_sensitive (GTK_WIDGET (priv->channel), FALSE);
if (band) {
if (!strcmp (band, "a")) {
band_idx = 1;
gtk_widget_set_sensitive (GTK_WIDGET (priv->channel), TRUE);
} else if (!strcmp (band, "bg")) {
band_idx = 2;
gtk_widget_set_sensitive (GTK_WIDGET (priv->channel), TRUE);
}
}
gtk_combo_box_set_active (priv->band, band_idx);
g_signal_connect (priv->band, "changed",
G_CALLBACK (band_value_changed_cb),
self);
/* Update the channel _after_ the band has been set so that it gets
* the right values */
priv->last_channel = nm_setting_wireless_get_channel (setting);
gtk_spin_button_set_value (priv->channel, (gdouble) priv->last_channel);
g_signal_connect_swapped (priv->channel, "value-changed", G_CALLBACK (ce_page_changed), self);
/* BSSID */
bssid_array = g_ptr_array_new ();
for (idx = 0; idx < nm_setting_wireless_get_num_seen_bssids (setting); idx++)
g_ptr_array_add (bssid_array, g_strdup (nm_setting_wireless_get_seen_bssid (setting, idx)));
g_ptr_array_add (bssid_array, NULL);
bssid_list = (char **) g_ptr_array_free (bssid_array, FALSE);
s_bssid = nm_setting_wireless_get_bssid (setting);
ce_page_setup_mac_combo (CE_PAGE (self), GTK_COMBO_BOX (priv->bssid),
s_bssid, bssid_list);
g_strfreev (bssid_list);
g_signal_connect_swapped (priv->bssid, "changed", G_CALLBACK (ce_page_changed), self);
/* Device MAC address */
s_ifname = nm_connection_get_interface_name (CE_PAGE (self)->connection);
s_mac = nm_setting_wireless_get_mac_address (setting);
ce_page_setup_device_combo (CE_PAGE (self), GTK_COMBO_BOX (priv->device_combo),
NM_TYPE_DEVICE_WIFI, s_ifname,
s_mac, NM_DEVICE_WIFI_PERMANENT_HW_ADDRESS);
g_signal_connect_swapped (priv->device_combo, "changed", G_CALLBACK (ce_page_changed), self);
/* Cloned MAC address */
s_mac = nm_setting_wireless_get_cloned_mac_address (setting);
ce_page_setup_cloned_mac_combo (priv->cloned_mac, s_mac);
g_signal_connect_swapped (priv->cloned_mac, "changed", G_CALLBACK (ce_page_changed), self);
gtk_spin_button_set_value (priv->rate, (gdouble) nm_setting_wireless_get_rate (setting));
gtk_spin_button_set_value (priv->tx_power, (gdouble) nm_setting_wireless_get_tx_power (setting));
gtk_spin_button_set_value (priv->mtu, (gdouble) nm_setting_wireless_get_mtu (setting));
}
static void
finish_setup (CEPageWifi *self, gpointer user_data)
{
CEPage *parent = CE_PAGE (self);
GtkWidget *widget;
populate_ui (self);
widget = GTK_WIDGET (gtk_builder_get_object (parent->builder, "wifi_tx_power_label"));
gtk_widget_hide (widget);
widget = GTK_WIDGET (gtk_builder_get_object (parent->builder, "wifi_tx_power_hbox"));
gtk_widget_hide (widget);
widget = GTK_WIDGET (gtk_builder_get_object (parent->builder, "wifi_rate_label"));
gtk_widget_hide (widget);
widget = GTK_WIDGET (gtk_builder_get_object (parent->builder, "wifi_rate_hbox"));
gtk_widget_hide (widget);
}
CEPage *
ce_page_wifi_new (NMConnectionEditor *editor,
NMConnection *connection,
GtkWindow *parent_window,
NMClient *client,
const char **out_secrets_setting_name,
GError **error)
{
CEPageWifi *self;
CEPageWifiPrivate *priv;
g_return_val_if_fail (NM_IS_CONNECTION (connection), NULL);
self = CE_PAGE_WIFI (ce_page_new (CE_TYPE_PAGE_WIFI,
editor,
connection,
parent_window,
client,
"/org/gnome/nm_connection_editor/ce-page-wifi.ui",
"WifiPage",
_("Wi-Fi")));
if (!self) {
g_set_error_literal (error, NMA_ERROR, NMA_ERROR_GENERIC, _("Could not load Wi-Fi user interface."));
return NULL;
}
wifi_private_init (self);
priv = CE_PAGE_WIFI_GET_PRIVATE (self);
priv->setting = nm_connection_get_setting_wireless (connection);
if (!priv->setting) {
priv->setting = NM_SETTING_WIRELESS (nm_setting_wireless_new ());
nm_connection_add_setting (connection, NM_SETTING (priv->setting));
}
g_signal_connect (self, CE_PAGE_INITIALIZED, G_CALLBACK (finish_setup), NULL);
return CE_PAGE (self);
}
GBytes *
ce_page_wifi_get_ssid (CEPageWifi *self)
{
CEPageWifiPrivate *priv;
const char *txt_ssid;
GBytes *ssid;
g_return_val_if_fail (CE_IS_PAGE_WIFI (self), NULL);
priv = CE_PAGE_WIFI_GET_PRIVATE (self);
txt_ssid = gtk_entry_get_text (priv->ssid);
if (!txt_ssid || !strlen (txt_ssid))
return NULL;
ssid = g_bytes_new (txt_ssid, strlen (txt_ssid));
return ssid;
}
static void
ui_to_setting (CEPageWifi *self)
{
CEPageWifiPrivate *priv = CE_PAGE_WIFI_GET_PRIVATE (self);
NMSettingConnection *s_con;
GBytes *ssid;
const char *bssid = NULL;
char *ifname = NULL;
char *device_mac = NULL;
char *cloned_mac;
const char *mode;
const char *band;
GtkWidget *entry;
s_con = nm_connection_get_setting_connection (CE_PAGE (self)->connection);
g_return_if_fail (s_con != NULL);
ssid = ce_page_wifi_get_ssid (self);
switch (gtk_combo_box_get_active (priv->mode)) {
case 1:
mode = "ap";
break;
case 2:
mode = "adhoc";
break;
default:
mode = "infrastructure";
break;
}
switch (gtk_combo_box_get_active (priv->band)) {
case 1:
band = "a";
break;
case 2:
band = "bg";
break;
case 0:
default:
band = NULL;
break;
}
entry = gtk_bin_get_child (GTK_BIN (priv->bssid));
/* BSSID is only valid for infrastructure */
if (entry && mode && strcmp (mode, "infrastructure") == 0)
bssid = gtk_entry_get_text (GTK_ENTRY (entry));
entry = gtk_bin_get_child (GTK_BIN (priv->device_combo));
if (entry)
ce_page_device_entry_get (GTK_ENTRY (entry), ARPHRD_ETHER, TRUE, &ifname, &device_mac, NULL, NULL);
cloned_mac = ce_page_cloned_mac_get (priv->cloned_mac);
g_object_set (s_con,
NM_SETTING_CONNECTION_INTERFACE_NAME, ifname,
NULL);
g_object_set (priv->setting,
NM_SETTING_WIRELESS_SSID, ssid,
NM_SETTING_WIRELESS_BSSID, bssid && *bssid ? bssid : NULL,
NM_SETTING_WIRELESS_MAC_ADDRESS, device_mac,
NM_SETTING_WIRELESS_CLONED_MAC_ADDRESS, cloned_mac && *cloned_mac ? cloned_mac : NULL,
NM_SETTING_WIRELESS_MODE, mode,
NM_SETTING_WIRELESS_BAND, band,
NM_SETTING_WIRELESS_CHANNEL, gtk_spin_button_get_value_as_int (priv->channel),
NM_SETTING_WIRELESS_RATE, gtk_spin_button_get_value_as_int (priv->rate),
NM_SETTING_WIRELESS_TX_POWER, gtk_spin_button_get_value_as_int (priv->tx_power),
NM_SETTING_WIRELESS_MTU, gtk_spin_button_get_value_as_int (priv->mtu),
NULL);
g_bytes_unref (ssid);
g_free (ifname);
g_free (device_mac);
g_free (cloned_mac);
}
static gboolean
ce_page_validate_v (CEPage *page, NMConnection *connection, GError **error)
{
CEPageWifi *self = CE_PAGE_WIFI (page);
CEPageWifiPrivate *priv = CE_PAGE_WIFI_GET_PRIVATE (self);
gboolean success;
GtkWidget *entry;
entry = gtk_bin_get_child (GTK_BIN (priv->bssid));
if (entry) {
if (!ce_page_mac_entry_valid (GTK_ENTRY (entry), ARPHRD_ETHER, _("bssid"), error))
return FALSE;
}
entry = gtk_bin_get_child (GTK_BIN (priv->device_combo));
if (entry) {
if (!ce_page_device_entry_get (GTK_ENTRY (entry), ARPHRD_ETHER, TRUE, NULL, NULL, _("Wi-Fi device"), error))
return FALSE;
}
if (!ce_page_cloned_mac_combo_valid (priv->cloned_mac, ARPHRD_ETHER, _("cloned MAC"), error))
return FALSE;
ui_to_setting (self);
success = nm_setting_verify (NM_SETTING (priv->setting), NULL, error);
return success;
}
static void
ce_page_wifi_init (CEPageWifi *self)
{
}
static void
ce_page_wifi_class_init (CEPageWifiClass *wifi_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (wifi_class);
CEPageClass *parent_class = CE_PAGE_CLASS (wifi_class);
g_type_class_add_private (object_class, sizeof (CEPageWifiPrivate));
/* virtual methods */
parent_class->ce_page_validate_v = ce_page_validate_v;
}
void
wifi_connection_new (FUNC_TAG_PAGE_NEW_CONNECTION_IMPL,
GtkWindow *parent,
const char *detail,
gpointer detail_data,
NMConnection *connection,
NMClient *client,
PageNewConnectionResultFunc result_func,
gpointer user_data)
{
NMSetting *s_wifi;
gs_unref_object NMConnection *connection_tmp = NULL;
connection = _ensure_connection_other (connection, &connection_tmp);
ce_page_complete_connection (connection,
_("Wi-Fi connection %d"),
NM_SETTING_WIRELESS_SETTING_NAME,
TRUE,
client);
s_wifi = nm_setting_wireless_new ();
g_object_set (s_wifi, NM_SETTING_WIRELESS_MODE, "infrastructure", NULL);
nm_connection_add_setting (connection, s_wifi);
(*result_func) (FUNC_TAG_PAGE_NEW_CONNECTION_RESULT_CALL, connection, FALSE, NULL, user_data);
}