// 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 <linux/if.h>

#include "page-dsl.h"

#include "nm-connection-editor.h"

#include "nm-utils/nm-shared-utils.h"

G_DEFINE_TYPE (CEPageDsl, ce_page_dsl, CE_TYPE_PAGE)

#define CE_PAGE_DSL_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), CE_TYPE_PAGE_DSL, CEPageDslPrivate))

typedef struct {

	NMSettingPppoe *setting;

	GtkComboBoxText *parent;

	GtkEntry *interface;

	GtkLabel *interface_label;

	GtkToggleButton *claim;

	GtkEntry *username;

	GtkEntry *password;

	GtkEntry *service;

} CEPageDslPrivate;

/* The parent property is available in libnm 1.10, but since we only

 * require 1.8 at the moment, enable it only when detected at runtime.

 */

static gboolean parent_supported;

static void

find_unused_interface_name (NMClient *client, char *buf, gsize size)

{

	const GPtrArray *connections;

	NMConnection *con;

	const char *iface;

	gint64 num, ppp_num = 0;

	int i;

	connections = nm_client_get_connections (client);

	for (i = 0; i < connections->len; i++) {

		con = connections->pdata[i];

		if (!nm_connection_is_type (con, NM_SETTING_PPPOE_SETTING_NAME))

			continue;

		iface = nm_connection_get_interface_name (con);

		if (iface && g_str_has_prefix (iface, "ppp")) {

			num = _nm_utils_ascii_str_to_int64 (iface + 3, 10, 0, G_MAXUINT32, -1);

			if (num >= ppp_num)

				ppp_num = num + 1;

		}

	}

	g_snprintf (buf, size, "ppp%u", (unsigned) ppp_num);

}

static void

claim_toggled (GtkToggleButton *button, gpointer user_data)

{

	CEPageDslPrivate *priv = CE_PAGE_DSL_GET_PRIVATE (user_data);

	gboolean active = gtk_toggle_button_get_active (button);

	char ifname[IFNAMSIZ];

	const char *str;

	gtk_widget_set_sensitive (GTK_WIDGET (priv->interface), !active);

	if (!active) {

		str = gtk_entry_get_text (priv->interface);

		if (!str || !str[0]) {

			find_unused_interface_name (CE_PAGE (user_data)->client, ifname, sizeof (ifname));

			gtk_entry_set_text (priv->interface, ifname);

		}

	}

	ce_page_changed (CE_PAGE (user_data));

}

static void

dsl_private_init (CEPageDsl *self)

{

	CEPageDslPrivate *priv = CE_PAGE_DSL_GET_PRIVATE (self);

	GtkBuilder *builder;

	builder = CE_PAGE (self)->builder;

	priv->parent = GTK_COMBO_BOX_TEXT (gtk_builder_get_object (builder, "dsl_parent"));

	priv->interface = GTK_ENTRY (gtk_builder_get_object (builder, "dsl_interface"));

	priv->interface_label = GTK_LABEL (gtk_builder_get_object (builder, "dsl_interface_label"));

	priv->claim = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "dsl_claim_button"));

	priv->username = GTK_ENTRY (gtk_builder_get_object (builder, "dsl_username"));

	priv->password = GTK_ENTRY (gtk_builder_get_object (builder, "dsl_password"));

	priv->service = GTK_ENTRY (gtk_builder_get_object (builder, "dsl_service"));

}

static void

populate_ui (CEPageDsl *self, NMConnection *connection)

{

	CEPageDslPrivate *priv = CE_PAGE_DSL_GET_PRIVATE (self);

	NMSettingPppoe *setting = priv->setting;

	gs_free char *parent = NULL;

	const char *str = NULL;

	gtk_widget_set_visible (GTK_WIDGET (priv->interface), parent_supported);

	gtk_widget_set_visible (GTK_WIDGET (priv->interface_label), parent_supported);

	gtk_widget_set_visible (GTK_WIDGET (priv->claim), parent_supported);

	if (parent_supported)

		g_object_get (setting, "parent", &parent, NULL);

	if (parent) {

		gtk_toggle_button_set_active (priv->claim, FALSE);

		ce_page_setup_device_combo (CE_PAGE (self), GTK_COMBO_BOX (priv->parent),

		                            G_TYPE_NONE, parent,

		                            NULL, NULL);

		str = nm_connection_get_interface_name (CE_PAGE (self)->connection);

		if (str)

			gtk_entry_set_text (priv->interface, str);

	} else {

		gtk_toggle_button_set_active (priv->claim, TRUE);

		str = nm_connection_get_interface_name (CE_PAGE (self)->connection);

		ce_page_setup_device_combo (CE_PAGE (self), GTK_COMBO_BOX (priv->parent),

		                            G_TYPE_NONE, str,

		                            NULL, NULL);

		gtk_entry_set_text (priv->interface, "");

	}

	claim_toggled (priv->claim, self);

	str = nm_setting_pppoe_get_username (setting);

	if (str)

		gtk_entry_set_text (priv->username, str);

	/* Grab password from keyring if possible */

	str = nm_setting_pppoe_get_password (setting);

	if (str)

		gtk_entry_set_text (priv->password, str);

	str = nm_setting_pppoe_get_service (setting);

	if (str)

		gtk_entry_set_text (priv->service, str);

}

static void

stuff_changed (GtkEditable *editable, gpointer user_data)

{

	ce_page_changed (CE_PAGE (user_data));

}

static void

show_password (GtkToggleButton *button, gpointer user_data)

{

	CEPageDslPrivate *priv = CE_PAGE_DSL_GET_PRIVATE (user_data);

	gtk_entry_set_visibility (priv->password, gtk_toggle_button_get_active (button));

}

static void

finish_setup (CEPageDsl *self, gpointer user_data)

{

	CEPage *parent = CE_PAGE (self);

	CEPageDslPrivate *priv = CE_PAGE_DSL_GET_PRIVATE (self);

	populate_ui (self, parent->connection);

	g_signal_connect (priv->parent, "changed", G_CALLBACK (stuff_changed), self);

	g_signal_connect (priv->interface, "changed", G_CALLBACK (stuff_changed), self);

	g_signal_connect (priv->username, "changed", G_CALLBACK (stuff_changed), self);

	g_signal_connect (priv->password, "changed", G_CALLBACK (stuff_changed), self);

	g_signal_connect (priv->service, "changed", G_CALLBACK (stuff_changed), self);

	g_signal_connect (priv->claim, "toggled", G_CALLBACK (claim_toggled), self);

	g_signal_connect (GTK_WIDGET (gtk_builder_get_object (parent->builder, "dsl_show_password")), "toggled",

					  G_CALLBACK (show_password), self);

}

CEPage *

ce_page_dsl_new (NMConnectionEditor *editor,

                 NMConnection *connection,

                 GtkWindow *parent_window,

                 NMClient *client,

                 const char **out_secrets_setting_name,

                 GError **error)

{

	CEPageDsl *self;

	CEPageDslPrivate *priv;

	self = CE_PAGE_DSL (ce_page_new (CE_TYPE_PAGE_DSL,

	                                 editor,

	                                 connection,

	                                 parent_window,

	                                 client,

	                                 "/org/gnome/nm_connection_editor/ce-page-dsl.ui",

	                                 "DslPage",

	                                 _("DSL/PPPoE")));

	if (!self) {

		g_set_error_literal (error, NMA_ERROR, NMA_ERROR_GENERIC, _("Could not load DSL user interface."));

		return NULL;

	}

	dsl_private_init (self);

	priv = CE_PAGE_DSL_GET_PRIVATE (self);

	priv->setting = nm_connection_get_setting_pppoe (connection);

	if (!priv->setting) {

		priv->setting = NM_SETTING_PPPOE (nm_setting_pppoe_new ());

		nm_connection_add_setting (connection, NM_SETTING (priv->setting));

	}

	g_signal_connect (self, CE_PAGE_INITIALIZED, G_CALLBACK (finish_setup), NULL);

	*out_secrets_setting_name = NM_SETTING_PPPOE_SETTING_NAME;

	return CE_PAGE (self);

}

static void

ui_to_setting (CEPageDsl *self)

{

	CEPageDslPrivate *priv = CE_PAGE_DSL_GET_PRIVATE (self);

	const char *interface, *username, *password, *service;

	gs_free char *parent = NULL;

	NMSettingConnection *s_con;

	GtkWidget *entry;

	gboolean claim;

	s_con = nm_connection_get_setting_connection (CE_PAGE (self)->connection);

	g_return_if_fail (s_con);

	claim = gtk_toggle_button_get_active (priv->claim);

	if (parent_supported && !claim) {

		interface = gtk_entry_get_text (priv->interface);

		g_object_set (s_con,

		              NM_SETTING_CONNECTION_INTERFACE_NAME,

		              interface && interface[0] ? interface : NULL,

		              NULL);

		nm_connection_remove_setting (CE_PAGE (self)->connection, NM_TYPE_SETTING_WIRED);

		entry = gtk_bin_get_child (GTK_BIN (priv->parent));

		if (entry) {

			ce_page_device_entry_get (GTK_ENTRY (entry), ARPHRD_ETHER, TRUE,

			                          &parent, NULL, NULL, NULL);

		}

		g_object_set (priv->setting,

		              "parent", parent,

		              NULL);

	} else {

		entry = gtk_bin_get_child (GTK_BIN (priv->parent));

		if (entry) {

			ce_page_device_entry_get (GTK_ENTRY (entry), ARPHRD_ETHER, TRUE,

			                          &parent, NULL, NULL, NULL);

		}

		g_object_set (s_con,

		              NM_SETTING_CONNECTION_INTERFACE_NAME,

		              parent && parent[0] ? parent : NULL,

		              NULL);

		g_object_set (priv->setting,

		              "parent", NULL,

		              NULL);

	}

	username = gtk_entry_get_text (priv->username);

	if (username && strlen (username) < 1)

		username = NULL;

	password = gtk_entry_get_text (priv->password);

	if (password && strlen (password) < 1)

		password = NULL;

	service = gtk_entry_get_text (priv->service);

	if (service && strlen (service) < 1)

		service = NULL;

	g_object_set (priv->setting,

	              NM_SETTING_PPPOE_USERNAME, username,

	              NM_SETTING_PPPOE_PASSWORD, password,

	              NM_SETTING_PPPOE_SERVICE, service,

	              NULL);

}

static gboolean

ce_page_validate_v (CEPage *page, NMConnection *connection, GError **error)

{

	CEPageDsl *self = CE_PAGE_DSL (page);

	CEPageDslPrivate *priv = CE_PAGE_DSL_GET_PRIVATE (self);

	gs_free char *parent = NULL;

	GtkWidget *entry;

	if (parent_supported) {

		entry = gtk_bin_get_child (GTK_BIN (priv->parent));

		if (entry) {

			ce_page_device_entry_get (GTK_ENTRY (entry), ARPHRD_ETHER, TRUE,

			                          &parent, NULL, NULL, NULL);

			if (!parent || !parent[0]) {

				g_set_error_literal (error, NMA_ERROR, NMA_ERROR_GENERIC,

				                     _("missing parent interface"));

				return FALSE;

			}

		}

	}

	ui_to_setting (self);

	return nm_setting_verify (NM_SETTING (priv->setting), connection, error);

}

static void

ce_page_dsl_init (CEPageDsl *self)

{

}

static void

ce_page_dsl_class_init (CEPageDslClass *dsl_class)

{

	GObjectClass *object_class = G_OBJECT_CLASS (dsl_class);

	CEPageClass *parent_class = CE_PAGE_CLASS (dsl_class);

	g_type_class_add_private (object_class, sizeof (CEPageDslPrivate));

	/* virtual methods */

	parent_class->ce_page_validate_v = ce_page_validate_v;

	parent_supported = !!nm_g_object_class_find_property_from_gtype (NM_TYPE_SETTING_PPPOE,

	                                                                 "parent");

}

void

dsl_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 *setting;

	gs_unref_object NMConnection *connection_tmp = NULL;

	connection = _ensure_connection_other (connection, &connection_tmp);

	ce_page_complete_connection (connection,

	                             _("DSL connection %d"),

	                             NM_SETTING_PPPOE_SETTING_NAME,

	                             FALSE,

	                             client);

	nm_connection_add_setting (connection, nm_setting_pppoe_new ());

	nm_connection_add_setting (connection, nm_setting_wired_new ());

	setting = nm_setting_ppp_new ();

	/* Set default values for lcp-echo-failure and lcp-echo-interval */

	g_object_set (G_OBJECT (setting),

	              NM_SETTING_PPP_LCP_ECHO_FAILURE, 5,

	              NM_SETTING_PPP_LCP_ECHO_INTERVAL, 30,

	              NULL);

	nm_connection_add_setting (connection, setting);

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

}