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 H��gskolan
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
49KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
50krb5_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
103KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
104krb5_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