gnome-control-center/panels/user-accounts/um-password-dialog.c

593 lines
20 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright 2009-2010 Red Hat, Inc,
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
* Written by: Matthias Clasen <mclasen@redhat.com>
*/
#include "config.h"
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <act/act.h>
#include "um-password-dialog.h"
#include "um-utils.h"
#include "run-passwd.h"
#include "pw-utils.h"
#define PASSWORD_CHECK_TIMEOUT 600
struct _UmPasswordDialog {
GtkWidget *dialog;
GtkWidget *action_radio_box;
GtkWidget *action_now_radio;
GtkWidget *action_login_radio;
GtkWidget *password_entry;
GtkWidget *verify_entry;
gint password_entry_timeout_id;
GtkWidget *strength_indicator;
GtkWidget *ok_button;
GtkWidget *password_hint;
GtkWidget *verify_hint;
ActUser *user;
ActUserPasswordMode password_mode;
GtkWidget *old_password_label;
GtkWidget *old_password_entry;
gboolean old_password_ok;
gint old_password_entry_timeout_id;
PasswdHandler *passwd_handler;
};
static gint
update_password_strength (UmPasswordDialog *um)
{
const gchar *password;
const gchar *old_password;
const gchar *username;
gint strength_level;
const gchar *hint;
const gchar *long_hint;
if (um->user == NULL) {
return 0;
}
password = gtk_entry_get_text (GTK_ENTRY (um->password_entry));
old_password = gtk_entry_get_text (GTK_ENTRY (um->old_password_entry));
username = act_user_get_user_name (um->user);
pw_strength (password, old_password, username,
&hint, &long_hint, &strength_level);
gtk_level_bar_set_value (GTK_LEVEL_BAR (um->strength_indicator), strength_level);
gtk_label_set_label (GTK_LABEL (um->password_hint), long_hint);
if (strength_level > 0) {
set_entry_validation_checkmark (GTK_ENTRY (um->password_entry));
} else if (strlen (password) == 0) {
set_entry_generation_icon (GTK_ENTRY (um->password_entry));
} else {
clear_entry_validation_error (GTK_ENTRY (um->password_entry));
}
return strength_level;
}
static void
finish_password_change (UmPasswordDialog *um)
{
gtk_widget_hide (um->dialog);
gtk_entry_set_text (GTK_ENTRY (um->password_entry), " ");
gtk_entry_set_text (GTK_ENTRY (um->verify_entry), "");
gtk_entry_set_text (GTK_ENTRY (um->old_password_entry), "");
um_password_dialog_set_user (um, NULL);
}
static void
cancel_password_dialog (GtkButton *button,
UmPasswordDialog *um)
{
finish_password_change (um);
}
static void
dialog_closed (GtkWidget *dialog,
gint response_id,
UmPasswordDialog *um)
{
gtk_widget_destroy (dialog);
}
static void
password_changed_cb (PasswdHandler *handler,
GError *error,
UmPasswordDialog *um)
{
GtkWidget *dialog;
const gchar *primary_text;
const gchar *secondary_text;
gtk_widget_set_sensitive (um->dialog, TRUE);
gdk_window_set_cursor (gtk_widget_get_window (um->dialog), NULL);
if (!error) {
finish_password_change (um);
return;
}
if (error->code == PASSWD_ERROR_REJECTED) {
primary_text = error->message;
secondary_text = _("Please choose another password.");
gtk_entry_set_text (GTK_ENTRY (um->password_entry), "");
gtk_widget_grab_focus (um->password_entry);
gtk_entry_set_text (GTK_ENTRY (um->verify_entry), "");
}
else if (error->code == PASSWD_ERROR_AUTH_FAILED) {
primary_text = error->message;
secondary_text = _("Please type your current password again.");
gtk_entry_set_text (GTK_ENTRY (um->old_password_entry), "");
gtk_widget_grab_focus (um->old_password_entry);
}
else {
primary_text = _("Password could not be changed");
secondary_text = error->message;
}
dialog = gtk_message_dialog_new (GTK_WINDOW (um->dialog),
GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"%s", primary_text);
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
"%s", secondary_text);
g_signal_connect (dialog, "response",
G_CALLBACK (dialog_closed), um);
gtk_window_present (GTK_WINDOW (dialog));
}
static void
accept_password_dialog (GtkButton *button,
UmPasswordDialog *um)
{
const gchar *password;
password = gtk_entry_get_text (GTK_ENTRY (um->password_entry));
switch (um->password_mode) {
case ACT_USER_PASSWORD_MODE_REGULAR:
if (act_user_get_uid (um->user) == getuid ()) {
GdkDisplay *display;
GdkCursor *cursor;
/* When setting a password for the current user,
* use passwd directly, to preserve the audit trail
* and to e.g. update the keyring password.
*/
passwd_change_password (um->passwd_handler, password,
(PasswdCallback) password_changed_cb, um);
gtk_widget_set_sensitive (um->dialog, FALSE);
display = gtk_widget_get_display (um->dialog);
cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
gdk_window_set_cursor (gtk_widget_get_window (um->dialog), cursor);
gdk_display_flush (display);
g_object_unref (cursor);
return;
}
act_user_set_password_mode (um->user, ACT_USER_PASSWORD_MODE_REGULAR);
act_user_set_password (um->user, password, "");
break;
case ACT_USER_PASSWORD_MODE_SET_AT_LOGIN:
act_user_set_password_mode (um->user, um->password_mode);
act_user_set_automatic_login (um->user, FALSE);
break;
default:
g_assert_not_reached ();
}
finish_password_change (um);
}
static void
update_sensitivity (UmPasswordDialog *um)
{
const gchar *password, *verify;
gboolean can_change;
int strength;
password = gtk_entry_get_text (GTK_ENTRY (um->password_entry));
verify = gtk_entry_get_text (GTK_ENTRY (um->verify_entry));
if (um->password_mode == ACT_USER_PASSWORD_MODE_REGULAR) {
strength = update_password_strength (um);
can_change = strength > 0 && strcmp (password, verify) == 0 &&
(um->old_password_ok || !gtk_widget_get_visible (um->old_password_entry));
}
else {
can_change = TRUE;
}
gtk_widget_set_sensitive (um->ok_button, can_change);
}
static void
mode_change (UmPasswordDialog *um,
ActUserPasswordMode mode)
{
gboolean active;
active = (mode == ACT_USER_PASSWORD_MODE_REGULAR);
gtk_widget_set_sensitive (um->password_entry, active);
gtk_widget_set_sensitive (um->verify_entry, active);
gtk_widget_set_sensitive (um->old_password_entry, active);
gtk_widget_set_sensitive (um->password_hint, active);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (um->action_now_radio), active);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (um->action_login_radio), !active);
um->password_mode = mode;
update_sensitivity (um);
}
static void
action_changed (GtkRadioButton *radio,
UmPasswordDialog *um)
{
gint active;
ActUserPasswordMode mode;
active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (radio));
mode = active ? ACT_USER_PASSWORD_MODE_REGULAR : ACT_USER_PASSWORD_MODE_SET_AT_LOGIN;
mode_change (um, mode);
}
static void
update_password_match (UmPasswordDialog *um)
{
const char *password;
const char *verify;
password = gtk_entry_get_text (GTK_ENTRY (um->password_entry));
verify = gtk_entry_get_text (GTK_ENTRY (um->verify_entry));
if (strlen (password) > 0 && strlen (verify) > 0) {
if (strcmp (password, verify) != 0) {
gtk_label_set_label (GTK_LABEL (um->verify_hint),
_("The passwords do not match."));
}
else {
gtk_label_set_label (GTK_LABEL (um->verify_hint), "");
set_entry_validation_checkmark (GTK_ENTRY (um->verify_entry));
}
}
}
static gboolean
password_entry_timeout (UmPasswordDialog *um)
{
update_password_strength (um);
update_sensitivity (um);
update_password_match (um);
um->password_entry_timeout_id = 0;
return FALSE;
}
static void
password_entry_changed (GtkEntry *entry,
GParamSpec *pspec,
UmPasswordDialog *um)
{
const char *password;
if (um->password_entry_timeout_id != 0) {
g_source_remove (um->password_entry_timeout_id);
um->password_entry_timeout_id = 0;
}
clear_entry_validation_error (GTK_ENTRY (entry));
clear_entry_validation_error (GTK_ENTRY (um->verify_entry));
gtk_widget_set_sensitive (um->ok_button, FALSE);
password = gtk_entry_get_text (GTK_ENTRY (um->password_entry));
if (strlen (password) == 0) {
gtk_entry_set_visibility (GTK_ENTRY (um->password_entry), FALSE);
}
um->password_entry_timeout_id = g_timeout_add (PASSWORD_CHECK_TIMEOUT,
(GSourceFunc) password_entry_timeout,
um);
}
static gboolean
password_entry_focus_out (GtkWidget *entry,
GdkEventFocus *event,
UmPasswordDialog *um)
{
if (um->password_entry_timeout_id != 0) {
g_source_remove (um->password_entry_timeout_id);
um->password_entry_timeout_id = 0;
}
password_entry_timeout (um);
return FALSE;
}
static void
auth_cb (PasswdHandler *handler,
GError *error,
UmPasswordDialog *um)
{
if (error) {
um->old_password_ok = FALSE;
}
else {
um->old_password_ok = TRUE;
set_entry_validation_checkmark (GTK_ENTRY (um->old_password_entry));
}
update_sensitivity (um);
}
static gboolean
old_password_entry_timeout (UmPasswordDialog *um)
{
const char *text;
update_sensitivity (um);
text = gtk_entry_get_text (GTK_ENTRY (um->old_password_entry));
if (!um->old_password_ok) {
passwd_authenticate (um->passwd_handler, text, (PasswdCallback)auth_cb, um);
}
um->old_password_entry_timeout_id = 0;
return FALSE;
}
static gboolean
old_password_entry_focus_out (GtkWidget *entry,
GdkEventFocus *event,
UmPasswordDialog *um)
{
if (um->old_password_entry_timeout_id != 0) {
g_source_remove (um->old_password_entry_timeout_id);
um->old_password_entry_timeout_id = 0;
}
old_password_entry_timeout (um);
return FALSE;
}
static void
old_password_entry_changed (GtkEntry *entry,
GParamSpec *pspec,
UmPasswordDialog *um)
{
if (um->old_password_entry_timeout_id != 0) {
g_source_remove (um->old_password_entry_timeout_id);
um->old_password_entry_timeout_id = 0;
}
clear_entry_validation_error (GTK_ENTRY (entry));
gtk_widget_set_sensitive (um->ok_button, FALSE);
um->old_password_ok = FALSE;
um->old_password_entry_timeout_id = g_timeout_add (PASSWORD_CHECK_TIMEOUT,
(GSourceFunc) old_password_entry_timeout,
um);
}
static void
on_generate (GtkEntry *entry,
GtkEntryIconPosition pos,
GdkEventButton *event,
UmPasswordDialog *um)
{
gchar *pwd;
pwd = pw_generate ();
gtk_entry_set_text (GTK_ENTRY (um->password_entry), pwd);
gtk_entry_set_text (GTK_ENTRY (um->verify_entry), pwd);
gtk_entry_set_visibility (GTK_ENTRY (um->password_entry), TRUE);
g_free (pwd);
}
UmPasswordDialog *
um_password_dialog_new (void)
{
GtkBuilder *builder;
GError *error;
UmPasswordDialog *um;
GtkWidget *widget;
builder = gtk_builder_new ();
error = NULL;
if (!gtk_builder_add_from_resource (builder,
"/org/gnome/control-center/user-accounts/password-dialog.ui",
&error)) {
g_error ("%s", error->message);
g_error_free (error);
return NULL;
}
um = g_new0 (UmPasswordDialog, 1);
um->action_radio_box = (GtkWidget *) gtk_builder_get_object (builder, "action-radio-box");
widget = (GtkWidget *) gtk_builder_get_object (builder, "action-now-radio");
g_signal_connect (widget, "toggled", G_CALLBACK (action_changed), um);
um->action_now_radio = widget;
um->action_login_radio = (GtkWidget *) gtk_builder_get_object (builder, "action-login-radio");
widget = (GtkWidget *) gtk_builder_get_object (builder, "dialog");
g_signal_connect (widget, "delete-event",
G_CALLBACK (gtk_widget_hide_on_delete), NULL);
um->dialog = widget;
widget = (GtkWidget *) gtk_builder_get_object (builder, "cancel-button");
g_signal_connect (widget, "clicked",
G_CALLBACK (cancel_password_dialog), um);
widget = (GtkWidget *) gtk_builder_get_object (builder, "ok-button");
g_signal_connect (widget, "clicked",
G_CALLBACK (accept_password_dialog), um);
gtk_widget_grab_default (widget);
um->ok_button = widget;
widget = (GtkWidget *) gtk_builder_get_object (builder, "password-entry");
g_signal_connect (widget, "notify::text",
G_CALLBACK (password_entry_changed), um);
g_signal_connect_after (widget, "focus-out-event",
G_CALLBACK (password_entry_focus_out), um);
g_signal_connect_swapped (widget, "activate", G_CALLBACK (password_entry_timeout), um);
gtk_entry_set_visibility (GTK_ENTRY (widget), FALSE);
um->password_entry = widget;
g_signal_connect (widget, "icon-press", G_CALLBACK (on_generate), um);
widget = (GtkWidget *) gtk_builder_get_object (builder, "old-password-entry");
g_signal_connect_after (widget, "focus-out-event",
G_CALLBACK (old_password_entry_focus_out), um);
g_signal_connect (widget, "notify::text",
G_CALLBACK (old_password_entry_changed), um);
g_signal_connect_swapped (widget, "activate", G_CALLBACK (password_entry_timeout), um);
um->old_password_entry = widget;
um->old_password_label = (GtkWidget *) gtk_builder_get_object (builder, "old-password-label");
widget = (GtkWidget *) gtk_builder_get_object (builder, "verify-entry");
g_signal_connect (widget, "notify::text",
G_CALLBACK (password_entry_changed), um);
g_signal_connect_after (widget, "focus-out-event",
G_CALLBACK (password_entry_focus_out), um);
g_signal_connect_swapped (widget, "activate", G_CALLBACK (password_entry_timeout), um);
um->verify_entry = widget;
um->strength_indicator = (GtkWidget *) gtk_builder_get_object (builder, "strength-indicator");
widget = (GtkWidget *)gtk_builder_get_object (builder, "password-hint");
um->password_hint = widget;
widget = (GtkWidget *)gtk_builder_get_object (builder, "verify-hint");
um->verify_hint = widget;
g_object_unref (builder);
return um;
}
void
um_password_dialog_free (UmPasswordDialog *um)
{
gtk_widget_destroy (um->dialog);
g_clear_object (&um->user);
if (um->passwd_handler)
passwd_destroy (um->passwd_handler);
if (um->old_password_entry_timeout_id != 0) {
g_source_remove (um->old_password_entry_timeout_id);
um->old_password_entry_timeout_id = 0;
}
if (um->password_entry_timeout_id != 0) {
g_source_remove (um->password_entry_timeout_id);
um->password_entry_timeout_id = 0;
}
g_free (um);
}
void
um_password_dialog_set_user (UmPasswordDialog *um,
ActUser *user)
{
gboolean visible;
if (um->user) {
g_object_unref (um->user);
um->user = NULL;
}
if (user) {
um->user = g_object_ref (user);
gtk_entry_set_text (GTK_ENTRY (um->password_entry), "");
gtk_entry_set_text (GTK_ENTRY (um->verify_entry), "");
gtk_entry_set_text (GTK_ENTRY (um->old_password_entry), "");
gtk_entry_set_visibility (GTK_ENTRY (um->password_entry), FALSE);
gtk_entry_set_visibility (GTK_ENTRY (um->verify_entry), FALSE);
if (act_user_get_uid (um->user) == getuid ()) {
mode_change (um, ACT_USER_PASSWORD_MODE_REGULAR);
gtk_widget_hide (um->action_radio_box);
visible = (act_user_get_password_mode (user) != ACT_USER_PASSWORD_MODE_NONE);
gtk_widget_set_visible (um->old_password_label, visible);
gtk_widget_set_visible (um->old_password_entry, visible);
um->old_password_ok = !visible;
}
else {
mode_change (um, ACT_USER_PASSWORD_MODE_SET_AT_LOGIN);
gtk_widget_show (um->action_radio_box);
gtk_widget_hide (um->old_password_label);
gtk_widget_hide (um->old_password_entry);
um->old_password_ok = TRUE;
}
if (act_user_get_uid (um->user) == getuid()) {
if (um->passwd_handler != NULL)
passwd_destroy (um->passwd_handler);
um->passwd_handler = passwd_init ();
}
}
}
void
um_password_dialog_show (UmPasswordDialog *um,
GtkWindow *parent)
{
gtk_window_set_transient_for (GTK_WINDOW (um->dialog), parent);
gtk_window_present (GTK_WINDOW (um->dialog));
if (um->old_password_ok == FALSE)
gtk_widget_grab_focus (um->old_password_entry);
else
gtk_widget_grab_focus (um->password_entry);
}