dbus-syntax.c
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-syntax.c - utility functions for strings with special syntax
*
* Author: Simon McVittie <simon.mcvittie@collabora.co.uk>
* Copyright © 2011 Nokia Corporation
*
* Licensed under the Academic Free License version 2.1
*
* 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
*
*/
#include <config.h>
#include "dbus-syntax.h"
#include "dbus-internals.h"
#include "dbus-marshal-validate.h"
#include "dbus-shared.h"
dbus_bool_t
dbus_validate_path (const char *path,
DBusError *error)
{
DBusString str;
int len;
_dbus_return_val_if_fail (path != NULL, FALSE);
_dbus_string_init_const (&str, path);
len = _dbus_string_get_length (&str);
/* In general, it ought to be valid... */
if (_DBUS_LIKELY (_dbus_validate_path (&str, 0, len)))
return TRUE;
/* slow path: string is invalid, find out why */
if (!_dbus_string_validate_utf8 (&str, 0, len))
{
/* don't quote the actual string here, since a DBusError also needs to
* be valid UTF-8 */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Object path was not valid UTF-8");
return FALSE;
}
/* FIXME: later, diagnose exactly how it was invalid */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Object path was not valid: '%s'", path);
return FALSE;
}
dbus_bool_t
dbus_validate_interface (const char *name,
DBusError *error)
{
DBusString str;
int len;
_dbus_return_val_if_fail (name != NULL, FALSE);
_dbus_string_init_const (&str, name);
len = _dbus_string_get_length (&str);
/* In general, it ought to be valid... */
if (_DBUS_LIKELY (_dbus_validate_interface (&str, 0, len)))
return TRUE;
/* slow path: string is invalid, find out why */
if (!_dbus_string_validate_utf8 (&str, 0, len))
{
/* don't quote the actual string here, since a DBusError also needs to
* be valid UTF-8 */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Interface name was not valid UTF-8");
return FALSE;
}
/* FIXME: later, diagnose exactly how it was invalid */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Interface name was not valid: '%s'", name);
return FALSE;
}
dbus_bool_t
dbus_validate_member (const char *name,
DBusError *error)
{
DBusString str;
int len;
_dbus_return_val_if_fail (name != NULL, FALSE);
_dbus_string_init_const (&str, name);
len = _dbus_string_get_length (&str);
/* In general, it ought to be valid... */
if (_DBUS_LIKELY (_dbus_validate_member (&str, 0, len)))
return TRUE;
/* slow path: string is invalid, find out why */
if (!_dbus_string_validate_utf8 (&str, 0, len))
{
/* don't quote the actual string here, since a DBusError also needs to
* be valid UTF-8 */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Member name was not valid UTF-8");
return FALSE;
}
/* FIXME: later, diagnose exactly how it was invalid */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Member name was not valid: '%s'", name);
return FALSE;
}
dbus_bool_t
dbus_validate_error_name (const char *name,
DBusError *error)
{
DBusString str;
int len;
_dbus_return_val_if_fail (name != NULL, FALSE);
_dbus_string_init_const (&str, name);
len = _dbus_string_get_length (&str);
/* In general, it ought to be valid... */
if (_DBUS_LIKELY (_dbus_validate_error_name (&str, 0, len)))
return TRUE;
/* slow path: string is invalid, find out why */
if (!_dbus_string_validate_utf8 (&str, 0, len))
{
/* don't quote the actual string here, since a DBusError also needs to
* be valid UTF-8 */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Error name was not valid UTF-8");
return FALSE;
}
/* FIXME: later, diagnose exactly how it was invalid */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Error name was not valid: '%s'", name);
return FALSE;
}
dbus_bool_t
dbus_validate_bus_name (const char *name,
DBusError *error)
{
DBusString str;
int len;
_dbus_return_val_if_fail (name != NULL, FALSE);
_dbus_string_init_const (&str, name);
len = _dbus_string_get_length (&str);
/* In general, it ought to be valid... */
if (_DBUS_LIKELY (_dbus_validate_bus_name (&str, 0, len)))
return TRUE;
/* slow path: string is invalid, find out why */
if (!_dbus_string_validate_utf8 (&str, 0, len))
{
/* don't quote the actual string here, since a DBusError also needs to
* be valid UTF-8 */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Bus name was not valid UTF-8");
return FALSE;
}
/* FIXME: later, diagnose exactly how it was invalid */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"Bus name was not valid: '%s'", name);
return FALSE;
}
dbus_bool_t
dbus_validate_utf8 (const char *alleged_utf8,
DBusError *error)
{
DBusString str;
_dbus_return_val_if_fail (alleged_utf8 != NULL, FALSE);
_dbus_string_init_const (&str, alleged_utf8);
if (_DBUS_LIKELY (_dbus_string_validate_utf8 (&str, 0,
_dbus_string_get_length (&str))))
return TRUE;
/* don't quote the actual string here, since a DBusError also needs to
* be valid UTF-8 */
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
"String was not valid UTF-8");
return FALSE;
}
/* end of group */