ipsec-tools/libipsec/ipsec_strerror.c

   1 /*      $KAME: ipsec_strerror.c,v 1.7 2000/07/30 00:45:12 itojun Exp $  */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include <sys/types.h>
  37 #include <sys/param.h>
  38
  39 #include <string.h>
  40 #ifdef HAVE_NETINET6_IPSEC
  41 #  include <netinet6/ipsec.h>
  42 #else
  43 #  include <netinet/ipsec.h>
  44 #endif
  45
  46 #include "ipsec_strerror.h"
  47
  48 int __ipsec_errcode;
  49
  50 static const char *ipsec_errlist[] = {
  51 "Success",                                      /*EIPSEC_NO_ERROR*/
  52 "Not supported",                                /*EIPSEC_NOT_SUPPORTED*/
  53 "Invalid argument",                             /*EIPSEC_INVAL_ARGUMENT*/
  54 "Invalid sadb message",                         /*EIPSEC_INVAL_SADBMSG*/
  55 "Invalid version",                              /*EIPSEC_INVAL_VERSION*/
  56 "Invalid security policy",                      /*EIPSEC_INVAL_POLICY*/
  57 "Invalid address specification",                /*EIPSEC_INVAL_ADDRESS*/
  58 "Invalid ipsec protocol",                       /*EIPSEC_INVAL_PROTO*/
  59 "Invalid ipsec mode",                           /*EIPSEC_INVAL_MODE*/
  60 "Invalid ipsec level",                          /*EIPSEC_INVAL_LEVEL*/
  61 "Invalid SA type",                              /*EIPSEC_INVAL_SATYPE*/
  62 "Invalid message type",                         /*EIPSEC_INVAL_MSGTYPE*/
  63 "Invalid extension type",                       /*EIPSEC_INVAL_EXTTYPE*/
  64 "Invalid algorithm type",                       /*EIPSEC_INVAL_ALGS*/
  65 "Invalid key length",                           /*EIPSEC_INVAL_KEYLEN*/
  66 "Invalid address family",                       /*EIPSEC_INVAL_FAMILY*/
  67 "Invalid prefix length",                        /*EIPSEC_INVAL_PREFIXLEN*/
  68 "Invalid direciton",                            /*EIPSEC_INVAL_DIR*/
  69 "SPI range violation",                          /*EIPSEC_INVAL_SPI*/
  70 "No protocol specified",                        /*EIPSEC_NO_PROTO*/
  71 "No algorithm specified",                       /*EIPSEC_NO_ALGS*/
  72 "No buffers available",                         /*EIPSEC_NO_BUFS*/
  73 "Must get supported algorithms list first",     /*EIPSEC_DO_GET_SUPP_LIST*/
  74 "Protocol mismatch",                            /*EIPSEC_PROTO_MISMATCH*/
  75 "Family mismatch",                              /*EIPSEC_FAMILY_MISMATCH*/
  76 "Too few arguments",                            /*EIPSEC_FEW_ARGUMENTS*/
  77 NULL,                                           /*EIPSEC_SYSTEM_ERROR*/
  78 "Priority offset not in valid range [-2147483647, 2147483648]", /*EIPSEC_INVAL_PRIORITY_OFFSET*/
  79 "Priority offset from base not in valid range [0, 1073741823] for negative offsets and [0, 1073741824] for positive offsets", /* EIPSEC_INVAL_PRIORITY_OFFSET */
  80 "Policy priority not compiled in",      /*EIPSEC_PRIORITY_NOT_COMPILED*/
  81 "Unknown error",                                /*EIPSEC_MAX*/
  82 };
  83
  84 const char *ipsec_strerror(void)
  85 {
  86         if (__ipsec_errcode < 0 || __ipsec_errcode > EIPSEC_MAX)
  87                 __ipsec_errcode = EIPSEC_MAX;
  88
  89         return ipsec_errlist[__ipsec_errcode];
  90 }
  91
  92 void __ipsec_set_strerror(const char *str)
  93 {
  94         __ipsec_errcode = EIPSEC_SYSTEM_ERROR;
  95         ipsec_errlist[EIPSEC_SYSTEM_ERROR] = str;
  96
  97         return;
  98 }