xref: /freebsd/crypto/heimdal/lib/krb5/eai_to_heim_errno.c (revision 5521ff5a4d1929056e7ffc982fac3341ca54df7c)
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 RCSID("$Id: eai_to_heim_errno.c,v 1.3 2001/05/14 22:48:33 assar Exp $");
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     case EAI_ADDRFAMILY:
51 	return HEIM_EAI_ADDRFAMILY;
52     case EAI_AGAIN:
53 	return HEIM_EAI_AGAIN;
54     case EAI_BADFLAGS:
55 	return HEIM_EAI_BADFLAGS;
56     case EAI_FAIL:
57 	return HEIM_EAI_FAIL;
58     case EAI_FAMILY:
59 	return HEIM_EAI_FAMILY;
60     case EAI_MEMORY:
61 	return HEIM_EAI_MEMORY;
62     case EAI_NODATA:
63 	return HEIM_EAI_NODATA;
64     case EAI_NONAME:
65 	return HEIM_EAI_NONAME;
66     case EAI_SERVICE:
67 	return HEIM_EAI_SERVICE;
68     case EAI_SOCKTYPE:
69 	return HEIM_EAI_SOCKTYPE;
70     case EAI_SYSTEM:
71 	return system_error;
72     default:
73 	return HEIM_EAI_UNKNOWN; /* XXX */
74     }
75 }
76 
77 krb5_error_code
78 krb5_h_errno_to_heim_errno(int eai_errno)
79 {
80     switch(eai_errno) {
81     case 0:
82 	return 0;
83     case HOST_NOT_FOUND:
84 	return HEIM_EAI_NONAME;
85     case TRY_AGAIN:
86 	return HEIM_EAI_AGAIN;
87     case NO_RECOVERY:
88 	return HEIM_EAI_FAIL;
89     case NO_DATA:
90 	return HEIM_EAI_NONAME;
91     default:
92 	return HEIM_EAI_UNKNOWN; /* XXX */
93     }
94 }
95