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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2011 Collabora, Ltd.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Stef Walter <stefw@collabora.co.uk>
*/
#include "config.h"
#include <glib.h>
#include <glib/gprintf.h>
#include <string.h>
#ifdef G_OS_WIN32
#include <conio.h>
#endif
#include "gtlsconsoleinteraction.h"
/*
* WARNING: This is not the example you're looking for [slow hand wave]. This
* is not industrial strength, it's just for testing. It uses embarrassing
* functions like getpass() and does lazy things with threads.
*/
G_DEFINE_TYPE (GTlsConsoleInteraction, g_tls_console_interaction, G_TYPE_TLS_INTERACTION)
#if defined(G_OS_WIN32) || defined(__BIONIC__)
/* win32 doesn't have getpass() */
#include <stdio.h>
#ifndef BUFSIZ
#define BUFSIZ 8192
#endif
static gchar *
static_getpass (const gchar *prompt)
{
static gchar buf[BUFSIZ];
gint i;
g_printf ("%s", prompt);
fflush (stdout);
for (i = 0; i < BUFSIZ - 1; ++i)
{
#ifdef __BIONIC__
buf[i] = getc (stdin);
#else
buf[i] = _getch ();
#endif
if (buf[i] == '\r')
break;
}
buf[i] = '\0';
g_printf ("\n");
return &buf[0];
}
#undef getpass
#define getpass static_getpass /* avoid overloading a potential
build environment defintion of getpass */
#endif
static GTlsInteractionResult
g_tls_console_interaction_ask_password (GTlsInteraction *interaction,
GTlsPassword *password,
GCancellable *cancellable,
GError **error)
{
const gchar *value;
gchar *prompt;
prompt = g_strdup_printf ("Password \"%s\"': ", g_tls_password_get_description (password));
value = getpass (prompt);
g_free (prompt);
if (g_cancellable_set_error_if_cancelled (cancellable, error))
return G_TLS_INTERACTION_FAILED;
g_tls_password_set_value (password, (guchar *)value, -1);
return G_TLS_INTERACTION_HANDLED;
}
static void
ask_password_with_getpass (GTask *task,
gpointer object,
gpointer task_data,
GCancellable *cancellable)
{
GTlsPassword *password = task_data;
GError *error = NULL;
g_tls_console_interaction_ask_password (G_TLS_INTERACTION (object), password,
cancellable, &error);
if (error != NULL)
g_task_return_error (task, error);
else
g_task_return_int (task, G_TLS_INTERACTION_HANDLED);
}
static void
g_tls_console_interaction_ask_password_async (GTlsInteraction *interaction,
GTlsPassword *password,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
task = g_task_new (interaction, cancellable, callback, user_data);
g_task_set_task_data (task, g_object_ref (password), g_object_unref);
g_task_run_in_thread (task, ask_password_with_getpass);
g_object_unref (task);
}
static GTlsInteractionResult
g_tls_console_interaction_ask_password_finish (GTlsInteraction *interaction,
GAsyncResult *result,
GError **error)
{
GTlsInteractionResult ret;
g_return_val_if_fail (g_task_is_valid (result, interaction),
G_TLS_INTERACTION_FAILED);
ret = g_task_propagate_int (G_TASK (result), error);
if (ret == (GTlsInteractionResult)-1)
return G_TLS_INTERACTION_FAILED;
else
return ret;
}
static void
g_tls_console_interaction_init (GTlsConsoleInteraction *interaction)
{
}
static void
g_tls_console_interaction_class_init (GTlsConsoleInteractionClass *klass)
{
GTlsInteractionClass *interaction_class = G_TLS_INTERACTION_CLASS (klass);
interaction_class->ask_password = g_tls_console_interaction_ask_password;
interaction_class->ask_password_async = g_tls_console_interaction_ask_password_async;
interaction_class->ask_password_finish = g_tls_console_interaction_ask_password_finish;
}
GTlsInteraction *
g_tls_console_interaction_new (void)
{
return g_object_new (G_TYPE_TLS_CONSOLE_INTERACTION, NULL);
}
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