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      1 /*	$NetBSD: eai_to_heim_errno.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 - 2001 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * 3. Neither the name of the Institute nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include "krb5_locl.h"
     37 
     38 /**
     39  * Convert the getaddrinfo() error code to a Kerberos et error code.
     40  *
     41  * @param eai_errno contains the error code from getaddrinfo().
     42  * @param system_error should have the value of errno after the failed getaddrinfo().
     43  *
     44  * @return Kerberos error code representing the EAI errors.
     45  *
     46  * @ingroup krb5_error
     47  */
     48 
     49 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
     50 krb5_eai_to_heim_errno(int eai_errno, int system_error)
     51 {
     52     switch(eai_errno) {
     53     case EAI_NOERROR:
     54 	return 0;
     55 #ifdef EAI_ADDRFAMILY
     56     case EAI_ADDRFAMILY:
     57 	return HEIM_EAI_ADDRFAMILY;
     58 #endif
     59     case EAI_AGAIN:
     60 	return HEIM_EAI_AGAIN;
     61     case EAI_BADFLAGS:
     62 	return HEIM_EAI_BADFLAGS;
     63     case EAI_FAIL:
     64 	return HEIM_EAI_FAIL;
     65     case EAI_FAMILY:
     66 	return HEIM_EAI_FAMILY;
     67     case EAI_MEMORY:
     68 	return HEIM_EAI_MEMORY;
     69 #if defined(EAI_NODATA) && EAI_NODATA != EAI_NONAME
     70     case EAI_NODATA:
     71 	return HEIM_EAI_NODATA;
     72 #endif
     73 #ifdef WSANO_DATA
     74     case WSANO_DATA:
     75 	return HEIM_EAI_NODATA;
     76 #endif
     77     case EAI_NONAME:
     78 	return HEIM_EAI_NONAME;
     79     case EAI_SERVICE:
     80 	return HEIM_EAI_SERVICE;
     81     case EAI_SOCKTYPE:
     82 	return HEIM_EAI_SOCKTYPE;
     83 #ifdef EAI_SYSTEM
     84     case EAI_SYSTEM:
     85 	return system_error;
     86 #endif
     87     default:
     88 	return HEIM_EAI_UNKNOWN; /* XXX */
     89     }
     90 }
     91 
     92 /**
     93  * Convert the gethostname() error code (h_error) to a Kerberos et
     94  * error code.
     95  *
     96  * @param eai_errno contains the error code from gethostname().
     97  *
     98  * @return Kerberos error code representing the gethostname errors.
     99  *
    100  * @ingroup krb5_error
    101  */
    102 
    103 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
    104 krb5_h_errno_to_heim_errno(int eai_errno)
    105 {
    106     switch(eai_errno) {
    107     case 0:
    108 	return 0;
    109     case HOST_NOT_FOUND:
    110 	return HEIM_EAI_NONAME;
    111     case TRY_AGAIN:
    112 	return HEIM_EAI_AGAIN;
    113     case NO_RECOVERY:
    114 	return HEIM_EAI_FAIL;
    115     case NO_DATA:
    116 	return HEIM_EAI_NONAME;
    117     default:
    118 	return HEIM_EAI_UNKNOWN; /* XXX */
    119     }
    120 }
    121