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 /**
  37  * Convert the getaddrinfo() error code to a Kerberos et error code.
  38  *
  39  * @param eai_errno contains the error code from getaddrinfo().
  40  * @param system_error should have the value of errno after the failed getaddrinfo().
  41  *
  42  * @return Kerberos error code representing the EAI errors.
  43  *
  44  * @ingroup krb5_error
  45  */
  46
  47 krb5_error_code KRB5_LIB_FUNCTION
  48 krb5_eai_to_heim_errno(int eai_errno, int system_error)
  49 {
  50     switch(eai_errno) {
  51     case EAI_NOERROR:
  52         return 0;
  53 #ifdef EAI_ADDRFAMILY
  54     case EAI_ADDRFAMILY:
  55         return HEIM_EAI_ADDRFAMILY;
  56 #endif
  57     case EAI_AGAIN:
  58         return HEIM_EAI_AGAIN;
  59     case EAI_BADFLAGS:
  60         return HEIM_EAI_BADFLAGS;
  61     case EAI_FAIL:
  62         return HEIM_EAI_FAIL;
  63     case EAI_FAMILY:
  64         return HEIM_EAI_FAMILY;
  65     case EAI_MEMORY:
  66         return HEIM_EAI_MEMORY;
  67 #if defined(EAI_NODATA) && EAI_NODATA != EAI_NONAME
  68     case EAI_NODATA:
  69         return HEIM_EAI_NODATA;
  70 #endif
  71     case EAI_NONAME:
  72         return HEIM_EAI_NONAME;
  73     case EAI_SERVICE:
  74         return HEIM_EAI_SERVICE;
  75     case EAI_SOCKTYPE:
  76         return HEIM_EAI_SOCKTYPE;
  77     case EAI_SYSTEM:
  78         return system_error;
  79     default:
  80         return HEIM_EAI_UNKNOWN; /* XXX */
  81     }
  82 }
  83
  84 /**
  85  * Convert the gethostname() error code (h_error) to a Kerberos et
  86  * error code.
  87  *
  88  * @param eai_errno contains the error code from gethostname().
  89  *
  90  * @return Kerberos error code representing the gethostname errors.
  91  *
  92  * @ingroup krb5_error
  93  */
  94
  95 krb5_error_code KRB5_LIB_FUNCTION
  96 krb5_h_errno_to_heim_errno(int eai_errno)
  97 {
  98     switch(eai_errno) {
  99     case 0:
 100         return 0;
 101     case HOST_NOT_FOUND:
 102         return HEIM_EAI_NONAME;
 103     case TRY_AGAIN:
 104         return HEIM_EAI_AGAIN;
 105     case NO_RECOVERY:
 106         return HEIM_EAI_FAIL;
 107     case NO_DATA:
 108         return HEIM_EAI_NONAME;
 109     default:
 110         return HEIM_EAI_UNKNOWN; /* XXX */
 111     }
 112 }