fake-rfc2553.h revision 162856
1/* $Id: fake-rfc2553.h,v 1.13 2006/07/24 03:51:52 djm Exp $ */
2/* $FreeBSD: head/crypto/openssh/openbsd-compat/fake-rfc2553.h 162856 2006-09-30 13:38:06Z 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#if defined(HAVE_NETDB_H)
47# include <netdb.h>
48#endif
49
50/*
51 * First, socket and INET6 related definitions
52 */
53#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
54# define	_SS_MAXSIZE	128	/* Implementation specific max size */
55# define       _SS_PADSIZE     (_SS_MAXSIZE - sizeof (struct sockaddr))
56struct sockaddr_storage {
57	struct sockaddr	ss_sa;
58	char		__ss_pad2[_SS_PADSIZE];
59};
60# define ss_family ss_sa.sa_family
61#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
62
63#ifndef IN6_IS_ADDR_LOOPBACK
64# define IN6_IS_ADDR_LOOPBACK(a) \
65	(((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
66	 ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
67#endif /* !IN6_IS_ADDR_LOOPBACK */
68
69#ifndef HAVE_STRUCT_IN6_ADDR
70struct in6_addr {
71	u_int8_t	s6_addr[16];
72};
73#endif /* !HAVE_STRUCT_IN6_ADDR */
74
75#ifndef HAVE_STRUCT_SOCKADDR_IN6
76struct sockaddr_in6 {
77	unsigned short	sin6_family;
78	u_int16_t	sin6_port;
79	u_int32_t	sin6_flowinfo;
80	struct in6_addr	sin6_addr;
81};
82#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
83
84#ifndef AF_INET6
85/* Define it to something that should never appear */
86#define AF_INET6 AF_MAX
87#endif
88
89/*
90 * Next, RFC2553 name / address resolution API
91 */
92
93#ifndef NI_NUMERICHOST
94# define NI_NUMERICHOST    (1)
95#endif
96#ifndef NI_NAMEREQD
97# define NI_NAMEREQD       (1<<1)
98#endif
99#ifndef NI_NUMERICSERV
100# define NI_NUMERICSERV    (1<<2)
101#endif
102
103#ifndef AI_PASSIVE
104# define AI_PASSIVE		(1)
105#endif
106#ifndef AI_CANONNAME
107# define AI_CANONNAME		(1<<1)
108#endif
109#ifndef AI_NUMERICHOST
110# define AI_NUMERICHOST		(1<<2)
111#endif
112
113#ifndef NI_MAXSERV
114# define NI_MAXSERV 32
115#endif /* !NI_MAXSERV */
116#ifndef NI_MAXHOST
117# define NI_MAXHOST 1025
118#endif /* !NI_MAXHOST */
119
120#ifndef EAI_NODATA
121# define EAI_NODATA	(INT_MAX - 1)
122#endif
123#ifndef EAI_MEMORY
124# define EAI_MEMORY	(INT_MAX - 2)
125#endif
126#ifndef EAI_NONAME
127# define EAI_NONAME	(INT_MAX - 3)
128#endif
129#ifndef EAI_SYSTEM
130# define EAI_SYSTEM	(INT_MAX - 4)
131#endif
132
133#ifndef HAVE_STRUCT_ADDRINFO
134struct addrinfo {
135	int	ai_flags;	/* AI_PASSIVE, AI_CANONNAME */
136	int	ai_family;	/* PF_xxx */
137	int	ai_socktype;	/* SOCK_xxx */
138	int	ai_protocol;	/* 0 or IPPROTO_xxx for IPv4 and IPv6 */
139	size_t	ai_addrlen;	/* length of ai_addr */
140	char	*ai_canonname;	/* canonical name for hostname */
141	struct sockaddr *ai_addr;	/* binary address */
142	struct addrinfo *ai_next;	/* next structure in linked list */
143};
144#endif /* !HAVE_STRUCT_ADDRINFO */
145
146#ifndef HAVE_GETADDRINFO
147#ifdef getaddrinfo
148# undef getaddrinfo
149#endif
150#define getaddrinfo(a,b,c,d)	(ssh_getaddrinfo(a,b,c,d))
151int getaddrinfo(const char *, const char *,
152    const struct addrinfo *, struct addrinfo **);
153#endif /* !HAVE_GETADDRINFO */
154
155#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
156#define gai_strerror(a)		(ssh_gai_strerror(a))
157char *gai_strerror(int);
158#endif /* !HAVE_GAI_STRERROR */
159
160#ifndef HAVE_FREEADDRINFO
161#define freeaddrinfo(a)		(ssh_freeaddrinfo(a))
162void freeaddrinfo(struct addrinfo *);
163#endif /* !HAVE_FREEADDRINFO */
164
165#ifndef HAVE_GETNAMEINFO
166#define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g))
167int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
168    char *, size_t, int);
169#endif /* !HAVE_GETNAMEINFO */
170
171#endif /* !_FAKE_RFC2553_H */
172
173