xref: /freebsd/crypto/heimdal/lib/krb5/eai_to_heim_errno.c (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
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_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
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 #ifdef WSANO_DATA
72     case WSANO_DATA:
73 	return HEIM_EAI_NODATA;
74 #endif
75     case EAI_NONAME:
76 	return HEIM_EAI_NONAME;
77     case EAI_SERVICE:
78 	return HEIM_EAI_SERVICE;
79     case EAI_SOCKTYPE:
80 	return HEIM_EAI_SOCKTYPE;
81 #ifdef EAI_SYSTEM
82     case EAI_SYSTEM:
83 	return system_error;
84 #endif
85     default:
86 	return HEIM_EAI_UNKNOWN; /* XXX */
87     }
88 }
89 
90 /**
91  * Convert the gethostname() error code (h_error) to a Kerberos et
92  * error code.
93  *
94  * @param eai_errno contains the error code from gethostname().
95  *
96  * @return Kerberos error code representing the gethostname errors.
97  *
98  * @ingroup krb5_error
99  */
100 
101 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
102 krb5_h_errno_to_heim_errno(int eai_errno)
103 {
104     switch(eai_errno) {
105     case 0:
106 	return 0;
107     case HOST_NOT_FOUND:
108 	return HEIM_EAI_NONAME;
109     case TRY_AGAIN:
110 	return HEIM_EAI_AGAIN;
111     case NO_RECOVERY:
112 	return HEIM_EAI_FAIL;
113     case NO_DATA:
114 	return HEIM_EAI_NONAME;
115     default:
116 	return HEIM_EAI_UNKNOWN; /* XXX */
117     }
118 }
119