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.
38 #ifndef _FAKE_RFC2553_H
39 #define _FAKE_RFC2553_H
42 #include <sys/types.h>
43 #if defined(HAVE_NETDB_H)
48 * First, socket and INET6 related definitions
50 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
51 # define _SS_MAXSIZE 128 /* Implementation specific max size */
52 # define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr))
53 struct sockaddr_storage {
54 struct sockaddr ss_sa;
55 char __ss_pad2[_SS_PADSIZE];
57 # define ss_family ss_sa.sa_family
58 #endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
60 #ifndef IN6_IS_ADDR_LOOPBACK
61 # define IN6_IS_ADDR_LOOPBACK(a) \
62 (((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
63 ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
64 #endif /* !IN6_IS_ADDR_LOOPBACK */
66 #ifndef HAVE_STRUCT_IN6_ADDR
70 #endif /* !HAVE_STRUCT_IN6_ADDR */
72 #ifndef HAVE_STRUCT_SOCKADDR_IN6
74 unsigned short sin6_family;
76 u_int32_t sin6_flowinfo;
77 struct in6_addr sin6_addr;
78 u_int32_t sin6_scope_id;
80 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
83 /* Define it to something that should never appear */
84 #define AF_INET6 AF_MAX
88 * Next, RFC2553 name / address resolution API
91 #ifndef NI_NUMERICHOST
92 # define NI_NUMERICHOST (1)
95 # define NI_NAMEREQD (1<<1)
97 #ifndef NI_NUMERICSERV
98 # define NI_NUMERICSERV (1<<2)
102 # define AI_PASSIVE (1)
105 # define AI_CANONNAME (1<<1)
107 #ifndef AI_NUMERICHOST
108 # define AI_NUMERICHOST (1<<2)
110 #ifndef AI_NUMERICSERV
111 # define AI_NUMERICSERV (1<<3)
115 # define NI_MAXSERV 32
116 #endif /* !NI_MAXSERV */
118 # define NI_MAXHOST 1025
119 #endif /* !NI_MAXHOST */
122 # define EAI_NODATA (INT_MAX - 1)
125 # define EAI_MEMORY (INT_MAX - 2)
128 # define EAI_NONAME (INT_MAX - 3)
131 # define EAI_SYSTEM (INT_MAX - 4)
134 # define EAI_FAMILY (INT_MAX - 5)
137 #ifndef HAVE_STRUCT_ADDRINFO
139 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
140 int ai_family; /* PF_xxx */
141 int ai_socktype; /* SOCK_xxx */
142 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
143 size_t ai_addrlen; /* length of ai_addr */
144 char *ai_canonname; /* canonical name for hostname */
145 struct sockaddr *ai_addr; /* binary address */
146 struct addrinfo *ai_next; /* next structure in linked list */
148 #endif /* !HAVE_STRUCT_ADDRINFO */
150 #ifndef HAVE_GETADDRINFO
154 #define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d))
155 int getaddrinfo(const char *, const char *,
156 const struct addrinfo *, struct addrinfo **);
157 #endif /* !HAVE_GETADDRINFO */
159 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
160 #define gai_strerror(a) (_ssh_compat_gai_strerror(a))
161 char *gai_strerror(int);
162 #endif /* !HAVE_GAI_STRERROR */
164 #ifndef HAVE_FREEADDRINFO
165 #define freeaddrinfo(a) (ssh_freeaddrinfo(a))
166 void freeaddrinfo(struct addrinfo *);
167 #endif /* !HAVE_FREEADDRINFO */
169 #ifndef HAVE_GETNAMEINFO
170 #define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g))
171 int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
172 char *, size_t, int);
173 #endif /* !HAVE_GETNAMEINFO */
175 #endif /* !_FAKE_RFC2553_H */