Adding upstream version 1.4.34+dfsg.upstream/1.4.34+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 238 insertions, 0 deletions

diff --git a/src/remmina_unlock.c b/src/remmina_unlock.c
new file mode 100644
index 0000000..d05000f
--- /dev/null
+++ b/src/remmina_unlock.c
@@ -0,0 +1,238 @@
+/*
+ * 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