1/*	$KAME: ipsec_strerror.c,v 1.7 2000/07/30 00:45:12 itojun Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <sys/types.h>
35#include <sys/param.h>
36
37#include <string.h>
38#include <netipsec/ipsec.h>
39
40#include "ipsec_strerror.h"
41
42int __ipsec_errcode;
43
44static const char *ipsec_errlist[] = {
45"Success",					/*EIPSEC_NO_ERROR*/
46"Not supported",				/*EIPSEC_NOT_SUPPORTED*/
47"Invalid argument",				/*EIPSEC_INVAL_ARGUMENT*/
48"Invalid sadb message",				/*EIPSEC_INVAL_SADBMSG*/
49"Invalid version",				/*EIPSEC_INVAL_VERSION*/
50"Invalid security policy",			/*EIPSEC_INVAL_POLICY*/
51"Invalid address specification",		/*EIPSEC_INVAL_ADDRESS*/
52"Invalid ipsec protocol",			/*EIPSEC_INVAL_PROTO*/
53"Invalid ipsec mode",				/*EIPSEC_INVAL_MODE*/
54"Invalid ipsec level",				/*EIPSEC_INVAL_LEVEL*/
55"Invalid SA type",				/*EIPSEC_INVAL_SATYPE*/
56"Invalid message type",				/*EIPSEC_INVAL_MSGTYPE*/
57"Invalid extension type",			/*EIPSEC_INVAL_EXTTYPE*/
58"Invalid algorithm type",			/*EIPSEC_INVAL_ALGS*/
59"Invalid key length",				/*EIPSEC_INVAL_KEYLEN*/
60"Invalid address family",			/*EIPSEC_INVAL_FAMILY*/
61"Invalid prefix length",			/*EIPSEC_INVAL_PREFIXLEN*/
62"Invalid direction",				/*EIPSEC_INVAL_DIR*/
63"SPI range violation",				/*EIPSEC_INVAL_SPI*/
64"No protocol specified",			/*EIPSEC_NO_PROTO*/
65"No algorithm specified",			/*EIPSEC_NO_ALGS*/
66"No buffers available",				/*EIPSEC_NO_BUFS*/
67"Must get supported algorithms list first",	/*EIPSEC_DO_GET_SUPP_LIST*/
68"Protocol mismatch",				/*EIPSEC_PROTO_MISMATCH*/
69"Family mismatch",				/*EIPSEC_FAMILY_MISMATCH*/
70"Too few arguments",				/*EIPSEC_FEW_ARGUMENTS*/
71NULL,						/*EIPSEC_SYSTEM_ERROR*/
72"Unknown error",				/*EIPSEC_MAX*/
73};
74
75const char *ipsec_strerror(void)
76{
77	if (__ipsec_errcode < 0 || __ipsec_errcode > EIPSEC_MAX)
78		__ipsec_errcode = EIPSEC_MAX;
79
80	return (ipsec_errlist[__ipsec_errcode]);
81}
82
83void __ipsec_set_strerror(const char *str)
84{
85	__ipsec_errcode = EIPSEC_SYSTEM_ERROR;
86	ipsec_errlist[EIPSEC_SYSTEM_ERROR] = str;
87}
88