crypto/dist/heimdal/lib/krb5/eai_to_heim_errno.c

   1 /*
   2  * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  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  *
  17  * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 <krb5_locl.h>
  35
  36 __RCSID("$Heimdal: eai_to_heim_errno.c 22065 2007-11-11 16:41:06Z lha $"
  37         "$NetBSD$");
  38
  39 /**
  40  * Convert the getaddrinfo() error code to a Kerberos et error code.
  41  *
  42  * @param eai_errno contains the error code from getaddrinfo().
  43  * @param system_error should have the value of errno after the failed getaddrinfo().
  44  *
  45  * @return Kerberos error code representing the EAI errors.
  46  *
  47  * @ingroup krb5_error
  48  */
  49
  50 krb5_error_code KRB5_LIB_FUNCTION
  51 krb5_eai_to_heim_errno(int eai_errno, int system_error)
  52 {
  53     switch(eai_errno) {
  54     case EAI_NOERROR:
  55         return 0;
  56 #ifdef EAI_ADDRFAMILY
  57     case EAI_ADDRFAMILY:
  58         return HEIM_EAI_ADDRFAMILY;
  59 #endif
  60     case EAI_AGAIN:
  61         return HEIM_EAI_AGAIN;
  62     case EAI_BADFLAGS:
  63         return HEIM_EAI_BADFLAGS;
  64     case EAI_FAIL:
  65         return HEIM_EAI_FAIL;
  66     case EAI_FAMILY:
  67         return HEIM_EAI_FAMILY;
  68     case EAI_MEMORY:
  69         return HEIM_EAI_MEMORY;
  70 #if defined(EAI_NODATA) && EAI_NODATA != EAI_NONAME
  71     case EAI_NODATA:
  72         return HEIM_EAI_NODATA;
  73 #endif
  74     case EAI_NONAME:
  75         return HEIM_EAI_NONAME;
  76     case EAI_SERVICE:
  77         return HEIM_EAI_SERVICE;
  78     case EAI_SOCKTYPE:
  79         return HEIM_EAI_SOCKTYPE;
  80     case EAI_SYSTEM:
  81         return system_error;
  82     default:
  83         return HEIM_EAI_UNKNOWN; /* XXX */
  84     }
  85 }
  86
  87 /**
  88  * Convert the gethostname() error code (h_error) to a Kerberos et
  89  * error code.
  90  *
  91  * @param eai_errno contains the error code from gethostname().
  92  *
  93  * @return Kerberos error code representing the gethostname errors.
  94  *
  95  * @ingroup krb5_error
  96  */
  97
  98 krb5_error_code KRB5_LIB_FUNCTION
  99 krb5_h_errno_to_heim_errno(int eai_errno)
 100 {
 101     switch(eai_errno) {
 102     case 0:
 103         return 0;
 104     case HOST_NOT_FOUND:
 105         return HEIM_EAI_NONAME;
 106     case TRY_AGAIN:
 107         return HEIM_EAI_AGAIN;
 108     case NO_RECOVERY:
 109         return HEIM_EAI_FAIL;
 110     case NO_DATA:
 111         return HEIM_EAI_NONAME;
 112     default:
 113         return HEIM_EAI_UNKNOWN; /* XXX */
 114     }
 115 }