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/*
* Copyright (C) 2003 Sun Microsystems, Inc.
* Copyright (C) 2008 Jorge Pereira <jorge@jorgepereira.com.br>
*
* 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., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Authors:
* Jorge Pereira <jorge@jorgepereira.com.br>
*/
#include <config.h>
#define _GNU_SOURCE 1
#include <termios.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libintl.h>
#include <unistd.h>
#include <signal.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gconf/gconf-client.h>
#ifdef VINO_ENABLE_KEYRING
#include <gnome-keyring.h>
#endif
#define VINO_PREFS_DIR "/desktop/gnome/remote_access"
#define VINO_PREFS_VNC_PASSWORD VINO_PREFS_DIR "/vnc_password"
#define VINO_PASSWORD_MAXLEN 8
static gboolean
vino_passwd_set_password_in_keyring (const char *password)
{
#ifdef VINO_ENABLE_KEYRING
GnomeKeyringResult result;
guint32 item_id;
result = gnome_keyring_set_network_password_sync (
NULL, /* default keyring */
NULL, /* user */
NULL, /* domain */
"vino.local", /* server */
NULL, /* object */
"rfb", /* protocol */
"vnc-password", /* authtype */
5900, /* port */
password, /* password */
&item_id);
return result == GNOME_KEYRING_RESULT_OK;
#else
return FALSE;
#endif
}
static void
vino_passwd_set_password (GConfClient *conf,
const char *password)
{
gchar *password_b64;
if (vino_passwd_set_password_in_keyring (password))
return;
password_b64 = g_base64_encode ((guchar *) password, strlen (password));
gconf_client_set_string (conf, VINO_PREFS_VNC_PASSWORD, password_b64, NULL);
g_free (password_b64);
}
static void
vino_passwd_read (char *buff,
const size_t len,
const char *prompt_msg)
{
struct termios told, tnew;
size_t pos = 0;
gboolean again = FALSE;
tcgetattr (STDIN_FILENO, &told);
tnew = told;
tnew.c_lflag &= ~(ICANON | ECHO | ISIG);
tnew.c_iflag &= ~(IXON | IXOFF);
tcsetattr (STDIN_FILENO, TCSAFLUSH, &tnew);
g_print ("%s", prompt_msg);
do
{
char key;
if ( read (STDIN_FILENO, &key, 1) < 0 )
break;
if (key == 0x03) /* Ctrl + C */
{
tcsetattr (STDIN_FILENO, TCSAFLUSH, &told);
g_printerr ("\n");
g_printerr (_("Cancelled"));
g_printerr ("\n");
exit (1);
}
else if (again && key == '\n')
{
g_printerr ("\n");
g_printerr (ngettext ("ERROR: Maximum length of password is %d character. Please, re-enter the password.",
"ERROR: Maximum length of password is %d characters. Please, re-enter the password.",
VINO_PASSWORD_MAXLEN),
VINO_PASSWORD_MAXLEN);
g_printerr ("\n");
g_print ("%s", prompt_msg);
pos = 0;
again = FALSE;
}
else if (pos > 0 && key == '\n')
break;
else if (pos > 0 && key == 0x7f) /* 0x7f - <BACKSPACE> */
pos--;
else if (key == '\n' || key == 0x7f)
continue;
else if (pos >= len -1)
again = TRUE;
else
buff[pos++] = key;
}
while (TRUE);
buff[pos] = '\0';
tcsetattr (STDIN_FILENO, TCSAFLUSH, &told);
fflush (stdout);
}
static void
vino_passwd_change (GConfClient *conf)
{
gchar password1[VINO_PASSWORD_MAXLEN + 1];
gchar password2[VINO_PASSWORD_MAXLEN + 1];
g_print (_("Changing Vino password.\n"));
vino_passwd_read (password1, sizeof(password1), _("Enter new Vino password: "));
g_print ("\n");
vino_passwd_read (password2, sizeof(password2), _("Retype new Vino password: "));
g_print ("\n");
if (g_str_equal (password1, password2))
{
vino_passwd_set_password (conf, password1);
g_print (_("vino-passwd: password updated successfully.\n"));
}
else
{
g_printerr (_("Sorry, passwords do not match.\n"));
g_printerr (_("vino-passwd: password unchanged.\n"));
}
}
int
main(int argc, char *argv[])
{
gboolean opt_version = FALSE;
GError *error = NULL;
GConfClient *conf = NULL;
GOptionContext *context = NULL;
const GOptionEntry entries[] =
{
{
"version", 'v', 0, G_OPTION_ARG_NONE, &opt_version, _("Show Vino version"), NULL
},
{ NULL }
};
bindtextdomain (GETTEXT_PACKAGE, VINO_LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
context = g_option_context_new (_("- Updates Vino password"));
g_option_context_add_main_entries (context, entries, NULL);
g_option_context_set_help_enabled (context, TRUE);
g_option_context_parse (context, &argc, &argv, &error);
g_option_context_free (context);
if (error)
{
g_print ("%s\n%s\n",
error->message,
_("Run 'vino-passwd --help' to see a full list of available command line options"));
g_error_free (error);
return 1;
}
if (opt_version)
{
g_print (_("VINO Version %s\n"), VERSION);
return 0;
}
conf = gconf_client_get_default ();
if (gconf_client_key_is_writable (conf, VINO_PREFS_VNC_PASSWORD, NULL))
vino_passwd_change (conf);
else
g_printerr (_("ERROR: You do not have enough permissions to change Vino password.\n"));
g_object_unref (conf);
return 0;
}
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