xref: /freebsd/lib/libipsec/ipsec_strerror.c (revision 4b9d605768acabc460aa6dcfe8a1f8db35b16794)
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 
42 int __ipsec_errcode;
43 
44 static 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*/
71 NULL,						/*EIPSEC_SYSTEM_ERROR*/
72 "Unknown error",				/*EIPSEC_MAX*/
73 };
74 
75 const 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 
83 void __ipsec_set_strerror(const char *str)
84 {
85 	__ipsec_errcode = EIPSEC_SYSTEM_ERROR;
86 	ipsec_errlist[EIPSEC_SYSTEM_ERROR] = str;
87 }
88