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 /*      $DragonFly: src/lib/libipsec/ipsec_strerror.c,v 1.2 2003/06/17 04:26:49 dillon Exp $    */
   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 #include <sys/types.h>
  35 #include <sys/param.h>
  36
  37 #include <string.h>
  38 #include <netinet6/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 direciton",                            /*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         return;
  89 }