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/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2016-2023 Antenore Gatta, Giovanni Panozzo
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. * If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. * If you
* do not wish to do so, delete this exception statement from your
* version. * If you delete this exception statement from all source
* files in the program, then also delete it here.
*
*/
#include <stdlib.h>
#include <glib/gi18n.h>
#include <glib.h>
#include <glib/gprintf.h>
#include "config.h"
#include "remmina_sodium.h"
#include "remmina_pref.h"
#include "remmina_log.h"
#include "remmina_unlock.h"
#include "remmina_passwd.h"
#include "remmina_public.h"
#include "remmina/remmina_trace_calls.h"
#if SODIUM_VERSION_INT >= 90200
static RemminaUnlockDialog *remmina_unlock_dialog;
#define GET_OBJ(object_name) gtk_builder_get_object(remmina_unlock_dialog->builder, object_name)
GTimer *timer;
gboolean unlocked;
static void remmina_unlock_timer_init()
{
TRACE_CALL(__func__);
timer = g_timer_new();
REMMINA_DEBUG("Validity timer for Remmina password started");
}
static void remmina_unlock_timer_reset(gpointer user_data)
{
TRACE_CALL(__func__);
g_timer_reset(timer);
REMMINA_DEBUG("Validity timer for Remmina password reset");
}
void remmina_unlock_timer_destroy()
{
TRACE_CALL(__func__);
g_timer_destroy(timer);
timer = NULL;
}
static void remmina_unlock_unlock_clicked(GtkButton *btn, gpointer user_data)
{
TRACE_CALL(__func__);
//g_timer_reset(NULL);
gchar *unlock_password;
const gchar *entry_passwd;
gint rc;
unlock_password = remmina_pref_get_value("unlock_password");
entry_passwd = gtk_entry_get_text(remmina_unlock_dialog->entry_unlock);
rc = remmina_sodium_pwhash_str_verify(unlock_password, entry_passwd);
//REMMINA_DEBUG("remmina_sodium_pwhash_str_verify returned %i", rc);
if (rc == 0) {
REMMINA_DEBUG("Password verified");
//unlocked = FALSE;
remmina_unlock_dialog->retval = TRUE;
} else {
REMMINA_WARNING ("The password is wrong. Reset it by editing the remmina.pref file by hand");
remmina_unlock_timer_reset(NULL);
remmina_unlock_dialog->retval = FALSE;
}
gtk_dialog_response(remmina_unlock_dialog->dialog, GTK_RESPONSE_ACCEPT);
}
static void remmina_unlock_cancel_clicked(GtkButton *btn, gpointer user_data)
{
TRACE_CALL(__func__);
gtk_dialog_response(remmina_unlock_dialog->dialog, GTK_RESPONSE_CANCEL);
}
gint remmina_unlock_new(GtkWindow *parent)
{
TRACE_CALL(__func__);
gdouble unlock_timeout;
gdouble elapsed = 0.0;
gboolean lock = FALSE;
gboolean rc;
/* We don't have a timer, so this is the first time
* or the timer has been destroyed
*/
if (timer == NULL) {
remmina_unlock_timer_init();
unlocked = FALSE;
}
/* We have a timer, we get the elapsed time since its start */
if (timer != NULL)
elapsed = g_timer_elapsed(timer, NULL);
/* We stop the timer while we enter the password) */
if (timer) g_timer_stop(timer);
unlock_timeout = remmina_pref.unlock_timeout;
REMMINA_DEBUG ("unlock_timeout = %f", unlock_timeout);
REMMINA_DEBUG ("elapsed = %f", elapsed);
REMMINA_DEBUG ("INT unlock_timeout = %d", (int)unlock_timeout);
REMMINA_DEBUG ("INT elapsed = %d", (int)elapsed);
/* always LOCK and ask password */
if ((elapsed) && ((int)unlock_timeout - elapsed) <= 0) {
unlocked = FALSE;
remmina_unlock_timer_reset(NULL);
}
/* We don't lock as it has been already requested */
//if (!unlocked && ((int)unlock_timeout - elapsed) > 0) unlocked = TRUE;
REMMINA_DEBUG("Based on settings and current status, the unlocking dialog is set to %d", unlocked);
if (unlocked) {
REMMINA_DEBUG ("No need to request a password");
rc = TRUE;
return rc;
} else {
remmina_unlock_dialog = g_new0(RemminaUnlockDialog, 1);
remmina_unlock_dialog->retval = FALSE;
remmina_unlock_dialog->builder = remmina_public_gtk_builder_new_from_resource("/org/remmina/Remmina/src/../data/ui/remmina_unlock.glade");
remmina_unlock_dialog->dialog = GTK_DIALOG(gtk_builder_get_object(remmina_unlock_dialog->builder, "RemminaUnlockDialog"));
if (parent)
gtk_window_set_transient_for(GTK_WINDOW(remmina_unlock_dialog->dialog), parent);
remmina_unlock_dialog->entry_unlock = GTK_ENTRY(GET_OBJ("entry_unlock"));
gtk_entry_set_activates_default(GTK_ENTRY(remmina_unlock_dialog->entry_unlock), TRUE);
remmina_unlock_dialog->button_unlock = GTK_BUTTON(GET_OBJ("button_unlock"));
gtk_widget_set_can_default(GTK_WIDGET(remmina_unlock_dialog->button_unlock), TRUE);
gtk_widget_grab_default(GTK_WIDGET(remmina_unlock_dialog->button_unlock));
remmina_unlock_dialog->button_unlock_cancel = GTK_BUTTON(GET_OBJ("button_unlock_cancel"));
g_signal_connect(remmina_unlock_dialog->button_unlock, "clicked",
G_CALLBACK(remmina_unlock_unlock_clicked), (gpointer)remmina_unlock_dialog);
g_signal_connect(remmina_unlock_dialog->button_unlock_cancel, "clicked",
G_CALLBACK(remmina_unlock_cancel_clicked), (gpointer)remmina_unlock_dialog);
g_signal_connect (remmina_unlock_dialog->dialog, "close",
G_CALLBACK (remmina_unlock_cancel_clicked), (gpointer)remmina_unlock_dialog);
/* Connect signals */
gtk_builder_connect_signals(remmina_unlock_dialog->builder, NULL);
g_object_set_data_full (G_OBJECT(remmina_unlock_dialog->dialog), "builder", remmina_unlock_dialog->builder, g_object_unref);
gchar *unlock_password = NULL;
unlock_password = g_strdup(remmina_pref_get_value("unlock_password"));
//REMMINA_DEBUG ("Password from preferences is: %s", unlock_password);
if ((unlock_password == NULL) || (g_strcmp0(unlock_password, "") == 0)) {
if (remmina_passwd (GTK_WINDOW(remmina_unlock_dialog->dialog), &unlock_password)) {
//REMMINA_DEBUG ("Password is: %s", unlock_password);
remmina_pref_set_value("unlock_password", g_strdup(unlock_password));
remmina_unlock_dialog->retval = TRUE;
} else {
remmina_unlock_dialog->retval = FALSE;
}
}
int result = GTK_RESPONSE_NONE;
if (g_strcmp0(unlock_password, "") != 0) {
result = gtk_dialog_run (GTK_DIALOG (remmina_unlock_dialog->dialog));
} else
remmina_unlock_dialog->retval = lock;
switch (result)
{
case GTK_RESPONSE_ACCEPT:
if (!remmina_unlock_dialog->retval)
REMMINA_DEBUG ("Wrong password");
else {
REMMINA_DEBUG ("Correct password. Unlocking…");
unlocked = TRUE;
}
REMMINA_DEBUG ("retval: %d", remmina_unlock_dialog->retval);
break;
default:
//unlocked = FALSE;
remmina_unlock_dialog->retval = FALSE;
remmina_unlock_timer_destroy ();
REMMINA_DEBUG ("Password not requested. Return value: %d", remmina_unlock_dialog->retval);
break;
}
rc = remmina_unlock_dialog->retval;
g_free(unlock_password), unlock_password = NULL;
gtk_widget_destroy(GTK_WIDGET(remmina_unlock_dialog->dialog));
remmina_unlock_dialog->dialog = NULL;
}
if (timer) g_timer_start(timer);
return(rc);
}
#else
gint remmina_unlock_new(GtkWindow *parent)
{
return 1;
}
#endif
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