1 /** @file
2   Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
3   This program and the accompanying materials are licensed and made available under
4   the terms and conditions of the BSD License that accompanies this distribution.
5   The full text of the license may be found at
6   http://opensource.org/licenses/bsd-license.
7 
8   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
9   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
10 
11  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
12  * All rights reserved.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  * 2. Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in the
21  *    documentation and/or other materials provided with the distribution.
22  * 3. Neither the name of the project nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37 **/
38 
39 #ifndef HAVE_GETADDRINFO
40 
41 /*
42  * Error return codes from getaddrinfo()
43  */
44 #ifdef EAI_ADDRFAMILY
45 /* If this is defined, there is a conflicting implementation
46    in the C library, which can't be used for some reason.
47    Make sure it won't interfere with this emulation. */
48 
49 #undef EAI_ADDRFAMILY
50 #undef EAI_AGAIN
51 #undef EAI_BADFLAGS
52 #undef EAI_FAIL
53 #undef EAI_FAMILY
54 #undef EAI_MEMORY
55 #undef EAI_NODATA
56 #undef EAI_NONAME
57 #undef EAI_SERVICE
58 #undef EAI_SOCKTYPE
59 #undef EAI_SYSTEM
60 #undef EAI_BADHINTS
61 #undef EAI_PROTOCOL
62 #undef EAI_MAX
63 #undef getaddrinfo
64 #define getaddrinfo fake_getaddrinfo
65 #endif /* EAI_ADDRFAMILY */
66 
67 #define EAI_ADDRFAMILY   1      /* address family for hostname not supported */
68 #define EAI_AGAIN        2      /* temporary failure in name resolution */
69 #define EAI_BADFLAGS     3      /* invalid value for ai_flags */
70 #define EAI_FAIL         4      /* non-recoverable failure in name resolution */
71 #define EAI_FAMILY       5      /* ai_family not supported */
72 #define EAI_MEMORY       6      /* memory allocation failure */
73 #define EAI_NODATA       7      /* no address associated with hostname */
74 #define EAI_NONAME       8      /* hostname nor servname provided, or not known */
75 #define EAI_SERVICE      9      /* servname not supported for ai_socktype */
76 #define EAI_SOCKTYPE    10      /* ai_socktype not supported */
77 #define EAI_SYSTEM      11      /* system error returned in errno */
78 #define EAI_BADHINTS    12
79 #define EAI_PROTOCOL    13
80 #define EAI_MAX         14
81 
82 /*
83  * Flag values for getaddrinfo()
84  */
85 #ifdef AI_PASSIVE
86 #undef AI_PASSIVE
87 #undef AI_CANONNAME
88 #undef AI_NUMERICHOST
89 #undef AI_MASK
90 #undef AI_ALL
91 #undef AI_V4MAPPED_CFG
92 #undef AI_ADDRCONFIG
93 #undef AI_V4MAPPED
94 #undef AI_DEFAULT
95 #endif /* AI_PASSIVE */
96 
97 #define AI_PASSIVE      0x00000001 /* get address to use bind() */
98 #define AI_CANONNAME    0x00000002 /* fill ai_canonname */
99 #define AI_NUMERICHOST  0x00000004 /* prevent name resolution */
100 /* valid flags for addrinfo */
101 #define AI_MASK         (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
102 
103 #define AI_ALL          0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
104 #define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
105 #define AI_ADDRCONFIG   0x00000400 /* only if any address is assigned */
106 #define AI_V4MAPPED     0x00000800 /* accept IPv4-mapped IPv6 address */
107 /* special recommended flags for getipnodebyname */
108 #define AI_DEFAULT      (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
109 
110 #endif /* !HAVE_GETADDRINFO */
111 
112 #ifndef HAVE_GETNAMEINFO
113 
114 /*
115  * Constants for getnameinfo()
116  */
117 #ifndef NI_MAXHOST
118 #define NI_MAXHOST      1025
119 #define NI_MAXSERV      32
120 #endif /* !NI_MAXHOST */
121 
122 /*
123  * Flag values for getnameinfo()
124  */
125 #ifndef NI_NOFQDN
126 #define NI_NOFQDN       0x00000001
127 #define NI_NUMERICHOST  0x00000002
128 #define NI_NAMEREQD     0x00000004
129 #define NI_NUMERICSERV  0x00000008
130 #define NI_DGRAM        0x00000010
131 #endif /* !NI_NOFQDN */
132 
133 #endif /* !HAVE_GETNAMEINFO */
134 
135 #ifndef _SYS_SOCKET_H_
136   #ifndef HAVE_ADDRINFO
137     struct addrinfo {
138         int         ai_flags;       /* AI_PASSIVE, AI_CANONNAME */
139         int         ai_family;      /* PF_xxx */
140         int         ai_socktype;    /* SOCK_xxx */
141         int         ai_protocol;    /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
142         size_t      ai_addrlen;     /* length of ai_addr */
143         char        *ai_canonname;  /* canonical name for hostname */
144         struct sockaddr *ai_addr;           /* binary address */
145         struct addrinfo *ai_next;           /* next structure in linked list */
146     };
147   #endif /* !HAVE_ADDRINFO */
148 
149   #ifndef HAVE_SOCKADDR_STORAGE
150     /*
151      * RFC 2553: protocol-independent placeholder for socket addresses
152      */
153     #define _SS_MAXSIZE     128
154     #ifdef HAVE_LONG_LONG
155       #define _SS_ALIGNSIZE   (sizeof(PY_LONG_LONG))
156     #else
157       #define _SS_ALIGNSIZE   (sizeof(double))
158     #endif /* HAVE_LONG_LONG */
159     #define _SS_PAD1SIZE    (_SS_ALIGNSIZE - sizeof(u_char) * 2)
160     #define _SS_PAD2SIZE    (_SS_MAXSIZE - sizeof(u_char) * 2 - \
161                     _SS_PAD1SIZE - _SS_ALIGNSIZE)
162 
163     struct sockaddr_storage {
164     #ifdef HAVE_SOCKADDR_SA_LEN
165         unsigned char ss_len;               /* address length */
166         unsigned char ss_family;            /* address family */
167     #else
168         unsigned short ss_family;           /* address family */
169     #endif /* HAVE_SOCKADDR_SA_LEN */
170         char        __ss_pad1[_SS_PAD1SIZE];
171     #ifdef HAVE_LONG_LONG
172         PY_LONG_LONG __ss_align;            /* force desired structure storage alignment */
173     #else
174         double __ss_align;          /* force desired structure storage alignment */
175     #endif /* HAVE_LONG_LONG */
176         char        __ss_pad2[_SS_PAD2SIZE];
177     };
178   #endif  /* !HAVE_SOCKADDR_STORAGE */
179 #endif  /* _SYS_SOCKET_H_ */
180 
181 #ifdef __cplusplus
182 extern "C" {
183 #endif
184 extern void freehostent Py_PROTO((struct hostent *));
185 #ifdef __cplusplus
186 }
187 #endif
188