fake-rfc2553.h revision 149753
1/* $Id: fake-rfc2553.h,v 1.12 2005/08/03 05:36:21 dtucker Exp $ */
2/* $FreeBSD: head/crypto/openssh/openbsd-compat/fake-rfc2553.h 149753 2005-09-03 07:04:25Z des $ */
3
4/*
5 * Copyright (C) 2000-2003 Damien Miller.  All rights reserved.
6 * Copyright (C) 1999 WIDE Project.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
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 * 3. Neither the name of the project nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 * Pseudo-implementation of RFC2553 name / address resolution functions
35 *
36 * But these functions are not implemented correctly. The minimum subset
37 * is implemented for ssh use only. For example, this routine assumes
38 * that ai_family is AF_INET. Don't use it for another purpose.
39 */
40
41#ifndef _FAKE_RFC2553_H
42#define _FAKE_RFC2553_H
43
44#include "includes.h"
45#include "sys/types.h"
46
47/*
48 * First, socket and INET6 related definitions
49 */
50#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
51# define	_SS_MAXSIZE	128	/* Implementation specific max size */
52# define       _SS_PADSIZE     (_SS_MAXSIZE - sizeof (struct sockaddr))
53struct sockaddr_storage {
54	struct sockaddr	ss_sa;
55	char		__ss_pad2[_SS_PADSIZE];
56};
57# define ss_family ss_sa.sa_family
58#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
59
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 */
65
66#ifndef HAVE_STRUCT_IN6_ADDR
67struct in6_addr {
68	u_int8_t	s6_addr[16];
69};
70#endif /* !HAVE_STRUCT_IN6_ADDR */
71
72#ifndef HAVE_STRUCT_SOCKADDR_IN6
73struct sockaddr_in6 {
74	unsigned short	sin6_family;
75	u_int16_t	sin6_port;
76	u_int32_t	sin6_flowinfo;
77	struct in6_addr	sin6_addr;
78};
79#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
80
81#ifndef AF_INET6
82/* Define it to something that should never appear */
83#define AF_INET6 AF_MAX
84#endif
85
86/*
87 * Next, RFC2553 name / address resolution API
88 */
89
90#ifndef NI_NUMERICHOST
91# define NI_NUMERICHOST    (1)
92#endif
93#ifndef NI_NAMEREQD
94# define NI_NAMEREQD       (1<<1)
95#endif
96#ifndef NI_NUMERICSERV
97# define NI_NUMERICSERV    (1<<2)
98#endif
99
100#ifndef AI_PASSIVE
101# define AI_PASSIVE		(1)
102#endif
103#ifndef AI_CANONNAME
104# define AI_CANONNAME		(1<<1)
105#endif
106#ifndef AI_NUMERICHOST
107# define AI_NUMERICHOST		(1<<2)
108#endif
109
110#ifndef NI_MAXSERV
111# define NI_MAXSERV 32
112#endif /* !NI_MAXSERV */
113#ifndef NI_MAXHOST
114# define NI_MAXHOST 1025
115#endif /* !NI_MAXHOST */
116
117#ifndef EAI_NODATA
118# define EAI_NODATA	(INT_MAX - 1)
119#endif
120#ifndef EAI_MEMORY
121# define EAI_MEMORY	(INT_MAX - 2)
122#endif
123#ifndef EAI_NONAME
124# define EAI_NONAME	(INT_MAX - 3)
125#endif
126#ifndef EAI_SYSTEM
127# define EAI_SYSTEM	(INT_MAX - 4)
128#endif
129
130#ifndef HAVE_STRUCT_ADDRINFO
131struct addrinfo {
132	int	ai_flags;	/* AI_PASSIVE, AI_CANONNAME */
133	int	ai_family;	/* PF_xxx */
134	int	ai_socktype;	/* SOCK_xxx */
135	int	ai_protocol;	/* 0 or IPPROTO_xxx for IPv4 and IPv6 */
136	size_t	ai_addrlen;	/* length of ai_addr */
137	char	*ai_canonname;	/* canonical name for hostname */
138	struct sockaddr *ai_addr;	/* binary address */
139	struct addrinfo *ai_next;	/* next structure in linked list */
140};
141#endif /* !HAVE_STRUCT_ADDRINFO */
142
143#ifndef HAVE_GETADDRINFO
144#ifdef getaddrinfo
145# undef getaddrinfo
146#endif
147#define getaddrinfo(a,b,c,d)	(ssh_getaddrinfo(a,b,c,d))
148int getaddrinfo(const char *, const char *,
149    const struct addrinfo *, struct addrinfo **);
150#endif /* !HAVE_GETADDRINFO */
151
152#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
153#define gai_strerror(a)		(ssh_gai_strerror(a))
154char *gai_strerror(int);
155#endif /* !HAVE_GAI_STRERROR */
156
157#ifndef HAVE_FREEADDRINFO
158#define freeaddrinfo(a)		(ssh_freeaddrinfo(a))
159void freeaddrinfo(struct addrinfo *);
160#endif /* !HAVE_FREEADDRINFO */
161
162#ifndef HAVE_GETNAMEINFO
163#define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g))
164int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
165    char *, size_t, int);
166#endif /* !HAVE_GETNAMEINFO */
167
168#endif /* !_FAKE_RFC2553_H */
169
170