// 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 <net/ethernet.h>

#include "page-ethernet.h"

G_DEFINE_TYPE (CEPageEthernet, ce_page_ethernet, CE_TYPE_PAGE)

#define CE_PAGE_ETHERNET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), CE_TYPE_PAGE_ETHERNET, CEPageEthernetPrivate))

typedef struct {
	NMSettingWired *setting;

	GtkComboBoxText *device_combo; /* Device identification (ifname and/or MAC) */
	GtkComboBoxText *cloned_mac;   /* Cloned MAC - used for MAC spoofing */
	GtkComboBox *port;
	GtkComboBox *speed;
	GtkComboBox *duplex;
	GtkComboBox *linkneg;
	GtkSpinButton *mtu;
	GtkToggleButton *wol_default, *wol_ignore, *wol_phy, *wol_unicast, *wol_multicast,
	                *wol_broadcast, *wol_arp, *wol_magic;
	GtkEntry *wol_passwd;
	gboolean mtu_enabled;
} CEPageEthernetPrivate;

#define PORT_DEFAULT 0
#define PORT_TP      1
#define PORT_AUI     2
#define PORT_BNC     3
#define PORT_MII     4

#define LINKNEG_IGNORE 0
#define LINKNEG_AUTO   1
#define LINKNEG_MANUAL 2

#define SPEED_10    0
#define SPEED_100   1
#define SPEED_1000  2
#define SPEED_10000 3

#define DUPLEX_HALF 0
#define DUPLEX_FULL 1

static void
ethernet_private_init (CEPageEthernet *self)
{
	CEPageEthernetPrivate *priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);
	GtkBuilder *builder;
	GtkWidget *vbox;
	GtkLabel *label;

	builder = CE_PAGE (self)->builder;

	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: "
	                               "“em1”, “3C:97:0E:42:1A:19”, “em1 (3C:97:0E:42:1A:19)”"));

	vbox = GTK_WIDGET (gtk_builder_get_object (builder, "ethernet_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, "ethernet_device_label"));
	gtk_label_set_mnemonic_widget (label, GTK_WIDGET (priv->device_combo));

	priv->cloned_mac = GTK_COMBO_BOX_TEXT (gtk_builder_get_object (builder, "ethernet_cloned_mac"));
	priv->port = GTK_COMBO_BOX (gtk_builder_get_object (builder, "ethernet_port"));
	priv->speed = GTK_COMBO_BOX (gtk_builder_get_object (builder, "ethernet_speed"));
	priv->duplex = GTK_COMBO_BOX (gtk_builder_get_object (builder, "ethernet_duplex"));
	priv->linkneg = GTK_COMBO_BOX (gtk_builder_get_object (builder, "ethernet_linkneg"));
	priv->mtu = GTK_SPIN_BUTTON (gtk_builder_get_object (builder, "ethernet_mtu"));
	priv->wol_default = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "wol_default"));
	priv->wol_ignore = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "wol_ignore"));
	priv->wol_phy = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "wol_phy"));
	priv->wol_unicast = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "wol_unicast"));
	priv->wol_multicast = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "wol_multicast"));
	priv->wol_broadcast = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "wol_broadcast"));
	priv->wol_arp = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "wol_arp"));
	priv->wol_magic = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "wol_magic"));
	priv->wol_passwd = GTK_ENTRY (gtk_builder_get_object (builder, "ethernet_wol_passwd"));

	gtk_widget_set_sensitive(GTK_WIDGET (priv->mtu), priv->mtu_enabled);
}

static void
stuff_changed (GtkWidget *w, gpointer user_data)
{
	ce_page_changed (CE_PAGE (user_data));
}

static void
link_special_changed_cb (GtkWidget *widget, gpointer user_data)
{
	CEPageEthernet *self = CE_PAGE_ETHERNET (user_data);
	CEPageEthernetPrivate *priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);
	gboolean enable = false;

	if (gtk_combo_box_get_active (GTK_COMBO_BOX (widget)) == LINKNEG_MANUAL)
		enable = true;
	gtk_widget_set_sensitive (GTK_WIDGET (priv->speed), enable);
	gtk_widget_set_sensitive (GTK_WIDGET (priv->duplex), enable);

	stuff_changed (NULL, self);
}

static void
wol_special_toggled_cb (GtkWidget *widget, gpointer user_data)
{
	CEPageEthernet *self = CE_PAGE_ETHERNET (user_data);
	CEPageEthernetPrivate *priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);
	gboolean enabled, enabled_passwd;

	enabled = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));

	gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_phy), !enabled);
	gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_unicast), !enabled);
	gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_multicast), !enabled);
	gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_broadcast), !enabled);
	gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_arp), !enabled);
	gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_magic), !enabled);
	if (widget == GTK_WIDGET (priv->wol_default))
		gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_ignore), !enabled);
	else if (widget == GTK_WIDGET (priv->wol_ignore))
		gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_default), !enabled);
	else
		g_return_if_reached ();

	enabled_passwd = !enabled && gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->wol_magic));
	gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_passwd), enabled_passwd);

	stuff_changed (NULL, self);
}

static void
wol_magic_toggled_cb (GtkWidget *widget, gpointer user_data)
{
	CEPageEthernet *self = CE_PAGE_ETHERNET (user_data);
	CEPageEthernetPrivate *priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);
	gboolean enabled;

	enabled =    gtk_widget_get_sensitive (widget)
	          && gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));

	gtk_widget_set_sensitive (GTK_WIDGET (priv->wol_passwd), enabled);

	stuff_changed (NULL, self);
}

static void
populate_ui (CEPageEthernet *self)
{
	CEPageEthernetPrivate *priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);
	NMSettingWired *setting = priv->setting;
	const char *port;
	guint32 speed;
	const char *duplex;
	int port_idx = PORT_DEFAULT;
	int speed_idx = SPEED_100;
	int duplex_idx = DUPLEX_FULL;
	int linkneg_idx = LINKNEG_IGNORE;
	int mtu_def;
	const char *s_mac, *s_ifname, *s_wol_passwd;
	NMSettingWiredWakeOnLan wol;

	/* Port */
	port = nm_setting_wired_get_port (setting);
	if (port) {
		if (!strcmp (port, "tp"))
			port_idx = PORT_TP;
		else if (!strcmp (port, "aui"))
			port_idx = PORT_AUI;
		else if (!strcmp (port, "bnc"))
			port_idx = PORT_BNC;
		else if (!strcmp (port, "mii"))
			port_idx = PORT_MII;
	}
	gtk_combo_box_set_active (priv->port, port_idx);

	/* Speed */
	speed = nm_setting_wired_get_speed (setting);
	switch (speed) {
	case 10:
		speed_idx = SPEED_10;
		break;
	case 100:
		speed_idx = SPEED_100;
		break;
	case 1000:
		speed_idx = SPEED_1000;
		break;
	case 10000:
		speed_idx = SPEED_10000;
		break;
	}
	gtk_combo_box_set_active (priv->speed, speed_idx);

	/* Duplex */
	duplex = nm_setting_wired_get_duplex (setting);
	if (duplex) {
		if (!strcmp (duplex, "half"))
			duplex_idx = DUPLEX_HALF;
		else
			duplex_idx = DUPLEX_FULL;
	}
	gtk_combo_box_set_active (priv->duplex, duplex_idx);

	/* Link Negotiation */
	if (nm_setting_wired_get_auto_negotiate (setting))
		linkneg_idx = LINKNEG_AUTO;
	else if (speed && duplex)
		linkneg_idx = LINKNEG_MANUAL;
	gtk_combo_box_set_active (priv->linkneg, linkneg_idx);

	/* Device ifname/MAC */
	s_ifname = nm_connection_get_interface_name (CE_PAGE (self)->connection);
	s_mac = nm_setting_wired_get_mac_address (setting);
	ce_page_setup_device_combo (CE_PAGE (self), GTK_COMBO_BOX (priv->device_combo),
	                            NM_TYPE_DEVICE_ETHERNET, s_ifname,
	                            s_mac, NM_DEVICE_ETHERNET_PERMANENT_HW_ADDRESS);
	g_signal_connect (priv->device_combo, "changed", G_CALLBACK (stuff_changed), self);

	/* Cloned MAC address */
	s_mac = nm_setting_wired_get_cloned_mac_address (setting);
	ce_page_setup_cloned_mac_combo (priv->cloned_mac, s_mac);
	g_signal_connect (priv->cloned_mac, "changed", G_CALLBACK (stuff_changed), self);

	/* MTU */
	if (priv->mtu_enabled) {
		mtu_def = ce_get_property_default (NM_SETTING (setting), NM_SETTING_WIRED_MTU);
		ce_spin_automatic_val (priv->mtu, mtu_def);

		gtk_spin_button_set_value (priv->mtu, (gdouble) nm_setting_wired_get_mtu (setting));
	} else {
		gtk_entry_set_text (GTK_ENTRY (priv->mtu), _("ignored"));
	}

	/* Wake-on-LAN */
	wol = nm_setting_wired_get_wake_on_lan (priv->setting);
	if (wol == NM_SETTING_WIRED_WAKE_ON_LAN_DEFAULT)
		gtk_toggle_button_set_active (priv->wol_default, TRUE);
	else if (wol == NM_SETTING_WIRED_WAKE_ON_LAN_IGNORE)
		gtk_toggle_button_set_active (priv->wol_ignore, TRUE);
	else {
		if (wol & NM_SETTING_WIRED_WAKE_ON_LAN_PHY)
			gtk_toggle_button_set_active (priv->wol_phy, TRUE);
		if (wol & NM_SETTING_WIRED_WAKE_ON_LAN_UNICAST)
			gtk_toggle_button_set_active (priv->wol_unicast, TRUE);
		if (wol & NM_SETTING_WIRED_WAKE_ON_LAN_MULTICAST)
			gtk_toggle_button_set_active (priv->wol_multicast, TRUE);
		if (wol & NM_SETTING_WIRED_WAKE_ON_LAN_BROADCAST)
			gtk_toggle_button_set_active (priv->wol_broadcast, TRUE);
		if (wol & NM_SETTING_WIRED_WAKE_ON_LAN_ARP)
			gtk_toggle_button_set_active (priv->wol_arp, TRUE);
		if (wol & NM_SETTING_WIRED_WAKE_ON_LAN_MAGIC)
			gtk_toggle_button_set_active (priv->wol_magic, TRUE);
	}

	/* Wake-on LAN password */
	s_wol_passwd = nm_setting_wired_get_wake_on_lan_password (setting);
	if (s_wol_passwd)
		gtk_entry_set_text (priv->wol_passwd, s_wol_passwd);
	g_signal_connect (priv->wol_passwd, "changed", G_CALLBACK (stuff_changed), self);
}

static void
finish_setup (CEPageEthernet *self, gpointer user_data)
{
	CEPage *parent = CE_PAGE (self);
	CEPageEthernetPrivate *priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);
	GtkWidget *widget;

	populate_ui (self);

	g_signal_connect (priv->linkneg, "changed", G_CALLBACK (link_special_changed_cb), self);
	link_special_changed_cb (GTK_WIDGET (priv->linkneg), self);
	g_signal_connect (priv->port, "changed", G_CALLBACK (stuff_changed), self);
	g_signal_connect (priv->speed, "changed", G_CALLBACK (stuff_changed), self);
	g_signal_connect (priv->duplex, "changed", G_CALLBACK (stuff_changed), self);
	g_signal_connect (priv->mtu, "value-changed", G_CALLBACK (stuff_changed), self);

	g_signal_connect (priv->wol_default,   "toggled", G_CALLBACK (wol_special_toggled_cb), self);
	g_signal_connect (priv->wol_ignore,    "toggled", G_CALLBACK (wol_special_toggled_cb), self);
	if (gtk_toggle_button_get_active (priv->wol_default))
		wol_special_toggled_cb (GTK_WIDGET (priv->wol_default), self);
	else
		wol_special_toggled_cb (GTK_WIDGET (priv->wol_ignore), self);
	g_signal_connect (priv->wol_phy,       "toggled", G_CALLBACK (stuff_changed), self);
	g_signal_connect (priv->wol_unicast,   "toggled", G_CALLBACK (stuff_changed), self);
	g_signal_connect (priv->wol_multicast, "toggled", G_CALLBACK (stuff_changed), self);
	g_signal_connect (priv->wol_broadcast, "toggled", G_CALLBACK (stuff_changed), self);
	g_signal_connect (priv->wol_arp,       "toggled", G_CALLBACK (stuff_changed), self);
	g_signal_connect (priv->wol_magic,     "toggled", G_CALLBACK (wol_magic_toggled_cb), self);
	wol_magic_toggled_cb (GTK_WIDGET (priv->wol_magic), self);

	/* Hide widgets we don't yet support */
	widget = GTK_WIDGET (gtk_builder_get_object (parent->builder, "ethernet_port_label"));
	gtk_widget_hide (widget);
	widget = GTK_WIDGET (gtk_builder_get_object (parent->builder, "ethernet_port"));
	gtk_widget_hide (widget);
}

CEPage *
ce_page_ethernet_new (NMConnectionEditor *editor,
                      NMConnection *connection,
                      GtkWindow *parent_window,
                      NMClient *client,
                      const char **out_secrets_setting_name,
                      GError **error)
{
	CEPageEthernet *self;
	CEPageEthernetPrivate *priv;

	self = CE_PAGE_ETHERNET (ce_page_new (CE_TYPE_PAGE_ETHERNET,
	                                      editor,
	                                      connection,
	                                      parent_window,
	                                      client,
	                                      "/org/gnome/nm_connection_editor/ce-page-ethernet.ui",
	                                      "EthernetPage",
	                                      _("Ethernet")));
	if (!self) {
		g_set_error_literal (error, NMA_ERROR, NMA_ERROR_GENERIC, _("Could not load ethernet user interface."));
		return NULL;
	}

	priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);

	if (nm_streq0 (nm_connection_get_connection_type (connection),
	               NM_SETTING_PPPOE_SETTING_NAME))
		priv->mtu_enabled = FALSE;
	else
		priv->mtu_enabled = TRUE;

	ethernet_private_init (self);

	priv->setting = nm_connection_get_setting_wired (connection);
	if (!priv->setting) {
		priv->setting = NM_SETTING_WIRED (nm_setting_wired_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);
}

static void
ui_to_setting (CEPageEthernet *self)
{
	CEPageEthernetPrivate *priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);
	NMSettingConnection *s_con;
	const char *port;
	guint32 speed;
	const char *duplex;
	char *ifname = NULL;
	char *device_mac = NULL;
	char *cloned_mac;
	GtkWidget *entry;
	NMSettingWiredWakeOnLan wol = NM_SETTING_WIRED_WAKE_ON_LAN_NONE;
	const char *wol_passwd = NULL;

	s_con = nm_connection_get_setting_connection (CE_PAGE (self)->connection);
	g_return_if_fail (s_con != NULL);

	/* Port */
	switch (gtk_combo_box_get_active (priv->port)) {
	case PORT_TP:
		port = "tp";
		break;
	case PORT_AUI:
		port = "aui";
		break;
	case PORT_BNC:
		port = "bnc";
		break;
	case PORT_MII:
		port = "mii";
		break;
	default:
		port = NULL;
		break;
	}

	/* Speed & Duplex */
	if (gtk_combo_box_get_active (priv->linkneg) != LINKNEG_MANUAL) {
		speed = 0;
		duplex = NULL;
	} else {
		switch (gtk_combo_box_get_active (priv->speed)) {
		case SPEED_10:
			speed = 10;
			break;
		case SPEED_100:
			speed = 100;
			break;
		case SPEED_1000:
			speed = 1000;
			break;
		case SPEED_10000:
			speed = 10000;
			break;
		default:
			g_warn_if_reached();
			speed = 0;
			break;
		}

		switch (gtk_combo_box_get_active (priv->duplex)) {
		case DUPLEX_HALF:
			duplex = "half";
			break;
		case DUPLEX_FULL:
			duplex = "full";
			break;
		default:
			g_warn_if_reached();
			duplex = NULL;
			break;
		}
	}

	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);

	/* Wake-on-LAN */
	if (gtk_toggle_button_get_active (priv->wol_default))
		wol = NM_SETTING_WIRED_WAKE_ON_LAN_DEFAULT;
	else if (gtk_toggle_button_get_active (priv->wol_ignore))
		wol = NM_SETTING_WIRED_WAKE_ON_LAN_IGNORE;
	else {
		if (gtk_toggle_button_get_active (priv->wol_phy))
			wol |= NM_SETTING_WIRED_WAKE_ON_LAN_PHY;
		if (gtk_toggle_button_get_active (priv->wol_unicast))
			wol |= NM_SETTING_WIRED_WAKE_ON_LAN_UNICAST;
		if (gtk_toggle_button_get_active (priv->wol_multicast))
			wol |= NM_SETTING_WIRED_WAKE_ON_LAN_MULTICAST;
		if (gtk_toggle_button_get_active (priv->wol_broadcast))
			wol |= NM_SETTING_WIRED_WAKE_ON_LAN_BROADCAST;
		if (gtk_toggle_button_get_active (priv->wol_arp))
			wol |= NM_SETTING_WIRED_WAKE_ON_LAN_ARP;
		if (gtk_toggle_button_get_active (priv->wol_magic))
			wol |= NM_SETTING_WIRED_WAKE_ON_LAN_MAGIC;
	}

	if (gtk_widget_get_sensitive (GTK_WIDGET (priv->wol_passwd)))
		wol_passwd = gtk_entry_get_text (priv->wol_passwd);

	g_object_set (s_con,
	              NM_SETTING_CONNECTION_INTERFACE_NAME, ifname,
	              NULL);
	g_object_set (priv->setting,
	              NM_SETTING_WIRED_MAC_ADDRESS, device_mac,
	              NM_SETTING_WIRED_CLONED_MAC_ADDRESS, cloned_mac && *cloned_mac ? cloned_mac : NULL,
	              NM_SETTING_WIRED_PORT, port,
	              NM_SETTING_WIRED_SPEED, speed,
	              NM_SETTING_WIRED_DUPLEX, duplex,
	              NM_SETTING_WIRED_AUTO_NEGOTIATE, (gtk_combo_box_get_active (priv->linkneg) == LINKNEG_AUTO),
	              NM_SETTING_WIRED_WAKE_ON_LAN, wol,
	              NM_SETTING_WIRED_WAKE_ON_LAN_PASSWORD, wol_passwd && *wol_passwd ? wol_passwd : NULL,
	              NULL);

	if (priv->mtu_enabled) {
		g_object_set (priv->setting,
		              NM_SETTING_WIRED_MTU, (guint32) gtk_spin_button_get_value_as_int (priv->mtu),
		              NULL);
	}

	g_free (ifname);
	g_free (device_mac);
	g_free (cloned_mac);
}

static gboolean
ce_page_validate_v (CEPage *page, NMConnection *connection, GError **error)
{
	CEPageEthernet *self = CE_PAGE_ETHERNET (page);
	CEPageEthernetPrivate *priv = CE_PAGE_ETHERNET_GET_PRIVATE (self);
	GtkWidget *entry;

	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, _("Ethernet device"), error))
			return FALSE;
	}

	if (!ce_page_cloned_mac_combo_valid (priv->cloned_mac, ARPHRD_ETHER, _("cloned MAC"), error))
		return FALSE;

	if (gtk_widget_get_sensitive (GTK_WIDGET (priv->wol_passwd))) {
		if (!ce_page_mac_entry_valid (priv->wol_passwd, ARPHRD_ETHER, _("Wake-on-LAN password"), error))
			return FALSE;
	}

	ui_to_setting (self);
	return nm_setting_verify (NM_SETTING (priv->setting), NULL, error);
}

static void
ce_page_ethernet_init (CEPageEthernet *self)
{
}

static void
ce_page_ethernet_class_init (CEPageEthernetClass *ethernet_class)
{
	GObjectClass *object_class = G_OBJECT_CLASS (ethernet_class);
	CEPageClass *parent_class = CE_PAGE_CLASS (ethernet_class);

	g_type_class_add_private (object_class, sizeof (CEPageEthernetPrivate));

	/* virtual methods */
	parent_class->ce_page_validate_v = ce_page_validate_v;
}


void
ethernet_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)
{
	gs_unref_object NMConnection *connection_tmp = NULL;

	connection = _ensure_connection_other (connection, &connection_tmp);
	ce_page_complete_connection (connection,
	                             _("Ethernet connection %d"),
	                             NM_SETTING_WIRED_SETTING_NAME,
	                             TRUE,
	                             client);
	nm_connection_add_setting (connection, nm_setting_wired_new ());

	(*result_func) (FUNC_TAG_PAGE_NEW_CONNECTION_RESULT_CALL, connection, FALSE, NULL, user_data);
}