1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ 2/* dbus-uuidgen.c The guts of the dbus-uuidgen binary live in libdbus, in this file. 3 * 4 * Copyright (C) 2006 Red Hat, Inc. 5 * 6 * Licensed under the Academic Free License version 2.1 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 * 22 */ 23#include <config.h> 24#include "dbus-uuidgen.h" 25#include "dbus-internals.h" 26#include "dbus-string.h" 27#include "dbus-protocol.h" 28 29#ifdef DBUS_WIN 30#error "dbus-uuidgen should not be needed on Windows" 31#endif 32 33/** 34 * @defgroup DBusInternalsUuidgen dbus-uuidgen implementation 35 * @ingroup DBusInternals 36 * @brief Functions for dbus-uuidgen binary 37 * 38 * These are not considered part of the ABI, and if you call them 39 * you will get screwed by future changes. 40 * 41 * @{ 42 */ 43 44static dbus_bool_t 45return_uuid (DBusGUID *uuid, 46 char **uuid_p, 47 DBusError *error) 48{ 49 if (uuid_p) 50 { 51 DBusString encoded; 52 53 if (!_dbus_string_init (&encoded)) 54 { 55 _DBUS_SET_OOM (error); 56 return FALSE; 57 } 58 59 if (!_dbus_uuid_encode (uuid, &encoded) || 60 !_dbus_string_steal_data (&encoded, uuid_p)) 61 { 62 _DBUS_SET_OOM (error); 63 _dbus_string_free (&encoded); 64 return FALSE; 65 } 66 _dbus_string_free (&encoded); 67 } 68 return TRUE; 69} 70 71/** 72 * For use by the dbus-uuidgen binary ONLY, do not call this. 73 * We can and will change this function without modifying 74 * the libdbus soname. 75 * 76 * @param filename the file or #NULL for the machine ID file 77 * @param uuid_p out param to return the uuid 78 * @param create_if_not_found whether to create it if not already there 79 * @param error error return 80 * @returns #FALSE if error is set 81 */ 82dbus_bool_t 83dbus_internal_do_not_use_get_uuid (const char *filename, 84 char **uuid_p, 85 dbus_bool_t create_if_not_found, 86 DBusError *error) 87{ 88 DBusGUID uuid; 89 90 if (filename) 91 { 92 DBusString filename_str; 93 _dbus_string_init_const (&filename_str, filename); 94 if (!_dbus_read_uuid_file (&filename_str, &uuid, create_if_not_found, error)) 95 goto error; 96 } 97 else 98 { 99 if (!_dbus_read_local_machine_uuid (&uuid, create_if_not_found, error)) 100 goto error; 101 } 102 103 if (!return_uuid(&uuid, uuid_p, error)) 104 goto error; 105 106 return TRUE; 107 108 error: 109 _DBUS_ASSERT_ERROR_IS_SET (error); 110 return FALSE; 111} 112 113/** 114 * For use by the dbus-uuidgen binary ONLY, do not call this. 115 * We can and will change this function without modifying 116 * the libdbus soname. 117 * 118 * @param uuid_p out param to return the uuid 119 * @returns #FALSE if no memory 120 */ 121dbus_bool_t 122dbus_internal_do_not_use_create_uuid (char **uuid_p) 123{ 124 DBusGUID uuid; 125 126 _dbus_generate_uuid (&uuid); 127 return return_uuid (&uuid, uuid_p, NULL); 128} 129 130/** @} */ 131