2 * Copyright (C) 2000-2003 Damien Miller. All rights reserved.
3 * Copyright (C) 1999 WIDE Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * Pseudo-implementation of RFC2553 name / address resolution functions
33 * But these functions are not implemented correctly. The minimum subset
34 * is implemented for ssh use only. For example, this routine assumes
35 * that ai_family is AF_INET. Don't use it for another purpose.
40 #ifndef _FAKE_RFC2553_H
41 #define _FAKE_RFC2553_H
44 #include "sys/types.h"
47 * First, socket and INET6 related definitions
49 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
50 # define _SS_MAXSIZE 128 /* Implementation specific max size */
51 # define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr))
52 struct sockaddr_storage {
53 struct sockaddr ss_sa;
54 char __ss_pad2[_SS_PADSIZE];
56 # define ss_family ss_sa.sa_family
57 #endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
59 #ifndef IN6_IS_ADDR_LOOPBACK
60 # define IN6_IS_ADDR_LOOPBACK(a) \
61 (((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
62 ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
63 #endif /* !IN6_IS_ADDR_LOOPBACK */
65 #ifndef HAVE_STRUCT_IN6_ADDR
69 #endif /* !HAVE_STRUCT_IN6_ADDR */
71 #ifndef HAVE_STRUCT_SOCKADDR_IN6
73 unsigned short sin6_family;
75 u_int32_t sin6_flowinfo;
76 struct in6_addr sin6_addr;
78 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
81 /* Define it to something that should never appear */
82 #define AF_INET6 AF_MAX
86 * Next, RFC2553 name / address resolution API
89 #ifndef NI_NUMERICHOST
90 # define NI_NUMERICHOST (1)
93 # define NI_NAMEREQD (1<<1)
95 #ifndef NI_NUMERICSERV
96 # define NI_NUMERICSERV (1<<2)
100 # define AI_PASSIVE (1)
103 # define AI_CANONNAME (1<<1)
105 #ifndef AI_NUMERICHOST
106 # define AI_NUMERICHOST (1<<2)
110 # define NI_MAXSERV 32
111 #endif /* !NI_MAXSERV */
113 # define NI_MAXHOST 1025
114 #endif /* !NI_MAXHOST */
117 # define EAI_NODATA 1
118 # define EAI_MEMORY 2
119 # define EAI_NONAME 3
122 #ifndef HAVE_STRUCT_ADDRINFO
124 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
125 int ai_family; /* PF_xxx */
126 int ai_socktype; /* SOCK_xxx */
127 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
128 size_t ai_addrlen; /* length of ai_addr */
129 char *ai_canonname; /* canonical name for hostname */
130 struct sockaddr *ai_addr; /* binary address */
131 struct addrinfo *ai_next; /* next structure in linked list */
133 #endif /* !HAVE_STRUCT_ADDRINFO */
135 #ifndef HAVE_GETADDRINFO
136 int getaddrinfo(const char *, const char *,
137 const struct addrinfo *, struct addrinfo **);
138 #endif /* !HAVE_GETADDRINFO */
140 #ifndef HAVE_GAI_STRERROR
141 char *gai_strerror(int);
142 #endif /* !HAVE_GAI_STRERROR */
144 #ifndef HAVE_FREEADDRINFO
145 void freeaddrinfo(struct addrinfo *);
146 #endif /* !HAVE_FREEADDRINFO */
148 #ifndef HAVE_GETNAMEINFO
149 int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
150 char *, size_t, int);
151 #endif /* !HAVE_GETNAMEINFO */
153 #endif /* !_FAKE_RFC2553_H */