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("$Id$");
  37
  38 /*
  39  * convert the getaddrinfo error code in `eai_errno' into a
  40  * krb5_error_code. `system_error' should have the value of the errno
  41  * after the failed call.
  42  */
  43
  44 krb5_error_code
  45 krb5_eai_to_heim_errno(int eai_errno, int system_error)
  46 {
  47     switch(eai_errno) {
  48     case EAI_NOERROR:
  49         return 0;
  50 #ifdef EAI_ADDRFAMILY
  51     case EAI_ADDRFAMILY:
  52         return HEIM_EAI_ADDRFAMILY;
  53 #endif
  54     case EAI_AGAIN:
  55         return HEIM_EAI_AGAIN;
  56     case EAI_BADFLAGS:
  57         return HEIM_EAI_BADFLAGS;
  58     case EAI_FAIL:
  59         return HEIM_EAI_FAIL;
  60     case EAI_FAMILY:
  61         return HEIM_EAI_FAMILY;
  62     case EAI_MEMORY:
  63         return HEIM_EAI_MEMORY;
  64 #if defined(EAI_NODATA) && EAI_NODATA != EAI_NONAME
  65     case EAI_NODATA:
  66         return HEIM_EAI_NODATA;
  67 #endif
  68     case EAI_NONAME:
  69         return HEIM_EAI_NONAME;
  70     case EAI_SERVICE:
  71         return HEIM_EAI_SERVICE;
  72     case EAI_SOCKTYPE:
  73         return HEIM_EAI_SOCKTYPE;
  74     case EAI_SYSTEM:
  75         return system_error;
  76     default:
  77         return HEIM_EAI_UNKNOWN; /* XXX */
  78     }
  79 }
  80
  81 krb5_error_code
  82 krb5_h_errno_to_heim_errno(int eai_errno)
  83 {
  84     switch(eai_errno) {
  85     case 0:
  86         return 0;
  87     case HOST_NOT_FOUND:
  88         return HEIM_EAI_NONAME;
  89     case TRY_AGAIN:
  90         return HEIM_EAI_AGAIN;
  91     case NO_RECOVERY:
  92         return HEIM_EAI_FAIL;
  93     case NO_DATA:
  94         return HEIM_EAI_NONAME;
  95     default:
  96         return HEIM_EAI_UNKNOWN; /* XXX */
  97     }
  98 }