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      1 /*	$NetBSD: ipsec_strerror.c,v 1.4.6.1 2007/08/01 11:52:17 vanhu Exp $	*/
      2 
      3 /*	$KAME: ipsec_strerror.c,v 1.7 2000/07/30 00:45:12 itojun Exp $	*/
      4 
      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 #ifdef HAVE_CONFIG_H
     35 #include "config.h"
     36 #endif
     37 
     38 #include <sys/types.h>
     39 #include <sys/param.h>
     40 
     41 #include <string.h>
     42 #include PATH_IPSEC_H
     43 
     44 #include "ipsec_strerror.h"
     45 
     46 int __ipsec_errcode;
     47 
     48 static const char *ipsec_errlist[] = {
     49 "Success",					/*EIPSEC_NO_ERROR*/
     50 "Not supported",				/*EIPSEC_NOT_SUPPORTED*/
     51 "Invalid argument",				/*EIPSEC_INVAL_ARGUMENT*/
     52 "Invalid sadb message",				/*EIPSEC_INVAL_SADBMSG*/
     53 "Invalid version",				/*EIPSEC_INVAL_VERSION*/
     54 "Invalid security policy",			/*EIPSEC_INVAL_POLICY*/
     55 "Invalid address specification",		/*EIPSEC_INVAL_ADDRESS*/
     56 "Invalid ipsec protocol",			/*EIPSEC_INVAL_PROTO*/
     57 "Invalid ipsec mode",				/*EIPSEC_INVAL_MODE*/
     58 "Invalid ipsec level",				/*EIPSEC_INVAL_LEVEL*/
     59 "Invalid SA type",				/*EIPSEC_INVAL_SATYPE*/
     60 "Invalid message type",				/*EIPSEC_INVAL_MSGTYPE*/
     61 "Invalid extension type",			/*EIPSEC_INVAL_EXTTYPE*/
     62 "Invalid algorithm type",			/*EIPSEC_INVAL_ALGS*/
     63 "Invalid key length",				/*EIPSEC_INVAL_KEYLEN*/
     64 "Invalid address family",			/*EIPSEC_INVAL_FAMILY*/
     65 "Invalid prefix length",			/*EIPSEC_INVAL_PREFIXLEN*/
     66 "Invalid direciton",				/*EIPSEC_INVAL_DIR*/
     67 "SPI range violation",				/*EIPSEC_INVAL_SPI*/
     68 "No protocol specified",			/*EIPSEC_NO_PROTO*/
     69 "No algorithm specified",			/*EIPSEC_NO_ALGS*/
     70 "No buffers available",				/*EIPSEC_NO_BUFS*/
     71 "Must get supported algorithms list first",	/*EIPSEC_DO_GET_SUPP_LIST*/
     72 "Protocol mismatch",				/*EIPSEC_PROTO_MISMATCH*/
     73 "Family mismatch",				/*EIPSEC_FAMILY_MISMATCH*/
     74 "Too few arguments",				/*EIPSEC_FEW_ARGUMENTS*/
     75 NULL,						/*EIPSEC_SYSTEM_ERROR*/
     76 "Priority offset not in valid range [-2147483647, 2147483648]",	/*EIPSEC_INVAL_PRIORITY_OFFSET*/
     77 "Priority offset from base not in valid range [0, 1073741823] for negative offsets and [0, 1073741824] for positive offsets", /* EIPSEC_INVAL_PRIORITY_OFFSET */
     78 "Policy priority not compiled in",	/*EIPSEC_PRIORITY_NOT_COMPILED*/
     79 "Unknown error",				/*EIPSEC_MAX*/
     80 };
     81 
     82 const char *ipsec_strerror(void)
     83 {
     84 	if (__ipsec_errcode < 0 || __ipsec_errcode > EIPSEC_MAX)
     85 		__ipsec_errcode = EIPSEC_MAX;
     86 
     87 	return ipsec_errlist[__ipsec_errcode];
     88 }
     89 
     90 void __ipsec_set_strerror(const char *str)
     91 {
     92 	__ipsec_errcode = EIPSEC_SYSTEM_ERROR;
     93 	ipsec_errlist[EIPSEC_SYSTEM_ERROR] = str;
     94 
     95 	return;
     96 }
     97