lib/libipsec/ipsec_strerror.c

   1 /*      $FreeBSD: src/lib/libipsec/ipsec_strerror.c,v 1.1.2.2 2001/07/03 11:01:14 ume Exp $     */
   2 /*      $KAME: ipsec_strerror.c,v 1.7 2000/07/30 00:45:12 itojun Exp $  */
   3
   4 /*
   5  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the project nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include <sys/types.h>
  34 #include <sys/param.h>
  35
  36 #include <string.h>
  37 #include <netinet6/ipsec.h>
  38
  39 #include "ipsec_strerror.h"
  40
  41 int __ipsec_errcode;
  42
  43 static const char *ipsec_errlist[] = {
  44 "Success",                                      /*EIPSEC_NO_ERROR*/
  45 "Not supported",                                /*EIPSEC_NOT_SUPPORTED*/
  46 "Invalid argument",                             /*EIPSEC_INVAL_ARGUMENT*/
  47 "Invalid sadb message",                         /*EIPSEC_INVAL_SADBMSG*/
  48 "Invalid version",                              /*EIPSEC_INVAL_VERSION*/
  49 "Invalid security policy",                      /*EIPSEC_INVAL_POLICY*/
  50 "Invalid address specification",                /*EIPSEC_INVAL_ADDRESS*/
  51 "Invalid ipsec protocol",                       /*EIPSEC_INVAL_PROTO*/
  52 "Invalid ipsec mode",                           /*EIPSEC_INVAL_MODE*/
  53 "Invalid ipsec level",                          /*EIPSEC_INVAL_LEVEL*/
  54 "Invalid SA type",                              /*EIPSEC_INVAL_SATYPE*/
  55 "Invalid message type",                         /*EIPSEC_INVAL_MSGTYPE*/
  56 "Invalid extension type",                       /*EIPSEC_INVAL_EXTTYPE*/
  57 "Invalid algorithm type",                       /*EIPSEC_INVAL_ALGS*/
  58 "Invalid key length",                           /*EIPSEC_INVAL_KEYLEN*/
  59 "Invalid address family",                       /*EIPSEC_INVAL_FAMILY*/
  60 "Invalid prefix length",                        /*EIPSEC_INVAL_PREFIXLEN*/
  61 "Invalid direction",                            /*EIPSEC_INVAL_DIR*/
  62 "SPI range violation",                          /*EIPSEC_INVAL_SPI*/
  63 "No protocol specified",                        /*EIPSEC_NO_PROTO*/
  64 "No algorithm specified",                       /*EIPSEC_NO_ALGS*/
  65 "No buffers available",                         /*EIPSEC_NO_BUFS*/
  66 "Must get supported algorithms list first",     /*EIPSEC_DO_GET_SUPP_LIST*/
  67 "Protocol mismatch",                            /*EIPSEC_PROTO_MISMATCH*/
  68 "Family mismatch",                              /*EIPSEC_FAMILY_MISMATCH*/
  69 "Too few arguments",                            /*EIPSEC_FEW_ARGUMENTS*/
  70 NULL,                                           /*EIPSEC_SYSTEM_ERROR*/
  71 "Unknown error",                                /*EIPSEC_MAX*/
  72 };
  73
  74 const char *ipsec_strerror(void)
  75 {
  76         if (__ipsec_errcode < 0 || __ipsec_errcode > EIPSEC_MAX)
  77                 __ipsec_errcode = EIPSEC_MAX;
  78
  79         return ipsec_errlist[__ipsec_errcode];
  80 }
  81
  82 void __ipsec_set_strerror(const char *str)
  83 {
  84         __ipsec_errcode = EIPSEC_SYSTEM_ERROR;
  85         ipsec_errlist[EIPSEC_SYSTEM_ERROR] = str;
  86
  87         return;
  88 }