// SPDX-License-Identifier: GPL-2.0+
/* NetworkManager Connection editor -- Connection editor for NetworkManager
*
* Dan Williams <dcbw@redhat.com>
*
* Copyright 2008 - 2017 Red Hat, Inc.
*/
#include "nm-default.h"
#include <string.h>
#include <gmodule.h>
#include "vpn-helpers.h"
#include "utils.h"
NMVpnEditorPlugin *
vpn_get_plugin_by_service (const char *service)
{
NMVpnPluginInfo *plugin_info;
plugin_info = nm_vpn_plugin_info_list_find_by_service (vpn_get_plugin_infos (), service);
if (plugin_info)
return nm_vpn_plugin_info_get_editor_plugin (plugin_info);
return NULL;
}
static gint
_sort_vpn_plugins (NMVpnPluginInfo *aa, NMVpnPluginInfo *bb)
{
return strcmp (nm_vpn_plugin_info_get_name (aa), nm_vpn_plugin_info_get_name (bb));
}
GSList *
vpn_get_plugin_infos (void)
{
static gboolean plugins_loaded = FALSE;
static GSList *plugins = NULL;
GSList *p;
if (G_LIKELY (plugins_loaded))
return plugins;
plugins_loaded = TRUE;
p = nm_vpn_plugin_info_list_load ();
plugins = NULL;
while (p) {
NMVpnPluginInfo *plugin_info = NM_VPN_PLUGIN_INFO (p->data);
GError *error = NULL;
/* load the editor plugin, and preserve only those NMVpnPluginInfo that can
* successfully load the plugin. */
if (nm_vpn_plugin_info_load_editor_plugin (plugin_info, &error)) {
plugins = g_slist_prepend (plugins, plugin_info);
g_info ("vpn: (%s,%s) loaded",
nm_vpn_plugin_info_get_name (plugin_info),
nm_vpn_plugin_info_get_filename (plugin_info));
} else {
if ( !nm_vpn_plugin_info_get_plugin (plugin_info)
&& nm_vpn_plugin_info_lookup_property (plugin_info, NM_VPN_PLUGIN_INFO_KF_GROUP_GNOME, "properties")) {
g_message ("vpn: (%s,%s) cannot load legacy-only plugin",
nm_vpn_plugin_info_get_name (plugin_info),
nm_vpn_plugin_info_get_filename (plugin_info));
} else if (g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT)) {
g_message ("vpn: (%s,%s) file \"%s\" not found. Did you install the client package?",
nm_vpn_plugin_info_get_name (plugin_info),
nm_vpn_plugin_info_get_filename (plugin_info),
nm_vpn_plugin_info_get_plugin (plugin_info));
} else {
g_warning ("vpn: (%s,%s) could not load plugin: %s",
nm_vpn_plugin_info_get_name (plugin_info),
nm_vpn_plugin_info_get_filename (plugin_info),
error->message);
}
g_clear_error (&error);
g_object_unref (plugin_info);
}
p = g_slist_delete_link (p, p);
}
/* sort the list of plugins alphabetically. */
plugins = g_slist_sort (plugins, (GCompareFunc) _sort_vpn_plugins);
return plugins;
}
static void
export_vpn_to_file_cb (GtkWidget *dialog, gint response, gpointer user_data)
{
NMConnection *connection = NM_CONNECTION (user_data);
char *filename = NULL;
GError *error = NULL;
NMVpnEditorPlugin *plugin;
NMSettingConnection *s_con = NULL;
NMSettingVpn *s_vpn = NULL;
const char *service_type;
const char *id = NULL;
gboolean success = FALSE;
if (response != GTK_RESPONSE_ACCEPT)
goto out;
filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
if (!filename) {
g_set_error (&error, NMA_ERROR, NMA_ERROR_GENERIC, "no filename");
goto done;
}
if (g_file_test (filename, G_FILE_TEST_EXISTS)) {
int replace_response;
GtkWidget *replace_dialog;
char *bname;
bname = g_path_get_basename (filename);
replace_dialog = gtk_message_dialog_new (NULL,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_QUESTION,
GTK_BUTTONS_CANCEL,
_("A file named “%s” already exists."),
bname);
gtk_dialog_add_buttons (GTK_DIALOG (replace_dialog), _("_Replace"), GTK_RESPONSE_OK, NULL);
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (replace_dialog),
_("Do you want to replace %s with the VPN connection you are saving?"), bname);
g_free (bname);
replace_response = gtk_dialog_run (GTK_DIALOG (replace_dialog));
gtk_widget_destroy (replace_dialog);
if (replace_response != GTK_RESPONSE_OK)
goto out;
}
s_con = nm_connection_get_setting_connection (connection);
id = s_con ? nm_setting_connection_get_id (s_con) : NULL;
if (!id) {
g_set_error (&error, NMA_ERROR, NMA_ERROR_GENERIC, "connection setting invalid");
goto done;
}
s_vpn = nm_connection_get_setting_vpn (connection);
service_type = s_vpn ? nm_setting_vpn_get_service_type (s_vpn) : NULL;
if (!service_type) {
g_set_error (&error, NMA_ERROR, NMA_ERROR_GENERIC, "VPN setting invalid");
goto done;
}
plugin = vpn_get_plugin_by_service (service_type);
if (plugin)
success = nm_vpn_editor_plugin_export (plugin, filename, connection, &error);
done:
if (!success) {
GtkWidget *err_dialog;
char *bname = filename ? g_path_get_basename (filename) : g_strdup ("(none)");
err_dialog = gtk_message_dialog_new (NULL,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
_("Cannot export VPN connection"));
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (err_dialog),
_("The VPN connection “%s” could not be exported to %s.\n\nError: %s."),
id ? id : "(unknown)", bname, error ? error->message : "unknown error");
g_free (bname);
g_signal_connect (err_dialog, "delete-event", G_CALLBACK (gtk_widget_destroy), NULL);
g_signal_connect (err_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
gtk_widget_show_all (err_dialog);
gtk_window_present (GTK_WINDOW (err_dialog));
}
out:
if (error)
g_error_free (error);
g_object_unref (connection);
gtk_widget_hide (dialog);
gtk_widget_destroy (dialog);
}
void
vpn_export (NMConnection *connection)
{
GtkWidget *dialog;
NMVpnEditorPlugin *plugin;
NMSettingVpn *s_vpn = NULL;
const char *service_type;
const char *home_folder;
s_vpn = nm_connection_get_setting_vpn (connection);
service_type = s_vpn ? nm_setting_vpn_get_service_type (s_vpn) : NULL;
if (!service_type) {
g_warning ("%s: invalid VPN connection!", __func__);
return;
}
dialog = gtk_file_chooser_dialog_new (_("Export VPN connection…"),
NULL,
GTK_FILE_CHOOSER_ACTION_SAVE,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Save"), GTK_RESPONSE_ACCEPT,
NULL);
home_folder = g_get_home_dir ();
gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), home_folder);
plugin = vpn_get_plugin_by_service (service_type);
if (plugin) {
char *suggested = NULL;
suggested = nm_vpn_editor_plugin_get_suggested_filename (plugin, connection);
if (suggested) {
gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (dialog), suggested);
g_free (suggested);
}
}
g_signal_connect (G_OBJECT (dialog), "response", G_CALLBACK (export_vpn_to_file_cb), g_object_ref (connection));
gtk_widget_show_all (dialog);
gtk_window_present (GTK_WINDOW (dialog));
}
gboolean
vpn_supports_ipv6 (NMConnection *connection)
{
NMSettingVpn *s_vpn;
const char *service_type;
NMVpnEditorPlugin *plugin;
guint32 capabilities;
s_vpn = nm_connection_get_setting_vpn (connection);
g_return_val_if_fail (s_vpn != NULL, FALSE);
service_type = nm_setting_vpn_get_service_type (s_vpn);
g_return_val_if_fail (service_type != NULL, FALSE);
plugin = vpn_get_plugin_by_service (service_type);
if (!plugin)
return FALSE;
capabilities = nm_vpn_editor_plugin_get_capabilities (plugin);
return (capabilities & NM_VPN_EDITOR_PLUGIN_CAPABILITY_IPV6) != 0;
}