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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-uuidgen.c The guts of the dbus-uuidgen binary live in libdbus, in this file.
*
* Copyright (C) 2006 Red Hat, Inc.
*
* 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-uuidgen.h"
#include "dbus-internals.h"
#include "dbus-string.h"
#include "dbus-protocol.h"
#ifdef DBUS_WIN
#error "dbus-uuidgen should not be needed on Windows"
#endif
/**
* @defgroup DBusInternalsUuidgen dbus-uuidgen implementation
* @ingroup DBusInternals
* @brief Functions for dbus-uuidgen binary
*
* These are not considered part of the ABI, and if you call them
* you will get screwed by future changes.
*
* @{
*/
static dbus_bool_t
return_uuid (DBusGUID *uuid,
char **uuid_p,
DBusError *error)
{
if (uuid_p)
{
DBusString encoded;
if (!_dbus_string_init (&encoded))
{
_DBUS_SET_OOM (error);
return FALSE;
}
if (!_dbus_uuid_encode (uuid, &encoded) ||
!_dbus_string_steal_data (&encoded, uuid_p))
{
_DBUS_SET_OOM (error);
_dbus_string_free (&encoded);
return FALSE;
}
_dbus_string_free (&encoded);
}
return TRUE;
}
/**
* For use by the dbus-uuidgen binary ONLY, do not call this.
* We can and will change this function without modifying
* the libdbus soname.
*
* @param filename the file or #NULL for the machine ID file
* @param uuid_p out param to return the uuid
* @param create_if_not_found whether to create it if not already there
* @param error error return
* @returns #FALSE if error is set
*/
dbus_bool_t
_dbus_get_uuid (const char *filename,
char **uuid_p,
dbus_bool_t create_if_not_found,
DBusError *error)
{
DBusGUID uuid;
if (filename)
{
DBusString filename_str;
_dbus_string_init_const (&filename_str, filename);
if (!_dbus_read_uuid_file (&filename_str, &uuid, create_if_not_found, error))
goto error;
}
else
{
if (!_dbus_read_local_machine_uuid (&uuid, create_if_not_found, error))
goto error;
}
if (!return_uuid(&uuid, uuid_p, error))
goto error;
return TRUE;
error:
_DBUS_ASSERT_ERROR_IS_SET (error);
return FALSE;
}
/**
* @param uuid_p out param to return the uuid
* @param error location to store reason for failure
* @returns #TRUE on success
*/
dbus_bool_t
_dbus_create_uuid (char **uuid_p,
DBusError *error)
{
DBusGUID uuid;
if (!_dbus_generate_uuid (&uuid, error))
return FALSE;
return return_uuid (&uuid, uuid_p, error);
}
/** @} */
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