eai_to_heim_errno.c revision 233294 
1/*
2 * Copyright (c) 2000 - 2001 Kungliga Tekniska H��gskolan
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
47KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
48krb5_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#ifdef EAI_SYSTEM
78    case EAI_SYSTEM:
79	return system_error;
80#endif
81    default:
82	return HEIM_EAI_UNKNOWN; /* XXX */
83    }
84}
85
86/**
87 * Convert the gethostname() error code (h_error) to a Kerberos et
88 * error code.
89 *
90 * @param eai_errno contains the error code from gethostname().
91 *
92 * @return Kerberos error code representing the gethostname errors.
93 *
94 * @ingroup krb5_error
95 */
96
97KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
98krb5_h_errno_to_heim_errno(int eai_errno)
99{
100    switch(eai_errno) {
101    case 0:
102	return 0;
103    case HOST_NOT_FOUND:
104	return HEIM_EAI_NONAME;
105    case TRY_AGAIN:
106	return HEIM_EAI_AGAIN;
107    case NO_RECOVERY:
108	return HEIM_EAI_FAIL;
109    case NO_DATA:
110	return HEIM_EAI_NONAME;
111    default:
112	return HEIM_EAI_UNKNOWN; /* XXX */
113    }
114}
115