1/* From openssh 4.3p2 filename openbsd-compat/fake-rfc2553.h */
2/*
3 * Copyright (C) 2000-2003 Damien Miller.  All rights reserved.
4 * Copyright (C) 1999 WIDE Project.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the project nor the names of its contributors
15 *    may be used to endorse or promote products derived from this software
16 *    without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31/*
32 * Pseudo-implementation of RFC2553 name / address resolution functions
33 *
34 * But these functions are not implemented correctly. The minimum subset
35 * is implemented for ssh use only. For example, this routine assumes
36 * that ai_family is AF_INET. Don't use it for another purpose.
37 */
38
39#ifndef _FAKE_RFC2553_H
40#define _FAKE_RFC2553_H
41
42#include <sys/types.h>
43#include <sys/socket.h>
44#include <netdb.h>
45#include <limits.h>
46
47#ifdef __cplusplus
48extern "C" {
49#endif
50
51/*
52 * First, socket and INET6 related definitions
53 */
54#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
55#ifndef _SS_MAXSIZE
56# define	_SS_MAXSIZE	128	/* Implementation specific max size */
57# define       _SS_PADSIZE     (_SS_MAXSIZE - sizeof (struct sockaddr))
58struct sockaddr_storage {
59	struct sockaddr	ss_sa;
60	char		__ss_pad2[_SS_PADSIZE];
61};
62# define ss_family ss_sa.sa_family
63#endif /* _SS_MAXSIZE */
64#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
65
66#ifndef IN6_IS_ADDR_LOOPBACK
67# define IN6_IS_ADDR_LOOPBACK(a) \
68	(((uint32_t *)(a))[0] == 0 && ((uint32_t *)(a))[1] == 0 && \
69	 ((uint32_t *)(a))[2] == 0 && ((uint32_t *)(a))[3] == htonl(1))
70#endif /* !IN6_IS_ADDR_LOOPBACK */
71
72#ifndef HAVE_STRUCT_IN6_ADDR
73struct in6_addr {
74	uint8_t	s6_addr[16];
75};
76#endif /* !HAVE_STRUCT_IN6_ADDR */
77
78#ifndef HAVE_STRUCT_SOCKADDR_IN6
79struct sockaddr_in6 {
80	unsigned short	sin6_family;
81	uint16_t	sin6_port;
82	uint32_t	sin6_flowinfo;
83	struct in6_addr	sin6_addr;
84};
85#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
86
87#ifndef AF_INET6
88/* Define it to something that should never appear */
89#define AF_INET6 AF_MAX
90#endif
91
92/*
93 * Next, RFC2553 name / address resolution API
94 */
95
96#ifndef NI_NUMERICHOST
97# define NI_NUMERICHOST    (1)
98#endif
99#ifndef NI_NAMEREQD
100# define NI_NAMEREQD       (1<<1)
101#endif
102#ifndef NI_NUMERICSERV
103# define NI_NUMERICSERV    (1<<2)
104#endif
105
106#ifndef AI_PASSIVE
107# define AI_PASSIVE		(1)
108#endif
109#ifndef AI_CANONNAME
110# define AI_CANONNAME		(1<<1)
111#endif
112#ifndef AI_NUMERICHOST
113# define AI_NUMERICHOST		(1<<2)
114#endif
115
116#ifndef NI_MAXSERV
117# define NI_MAXSERV 32
118#endif /* !NI_MAXSERV */
119#ifndef NI_MAXHOST
120# define NI_MAXHOST 1025
121#endif /* !NI_MAXHOST */
122
123#ifndef INT_MAX
124#define INT_MAX		0xffffffff
125#endif
126
127#ifndef EAI_NODATA
128# define EAI_NODATA	(INT_MAX - 1)
129#endif
130#ifndef EAI_MEMORY
131# define EAI_MEMORY	(INT_MAX - 2)
132#endif
133#ifndef EAI_NONAME
134# define EAI_NONAME	(INT_MAX - 3)
135#endif
136#ifndef EAI_SYSTEM
137# define EAI_SYSTEM	(INT_MAX - 4)
138#endif
139
140#ifndef HAVE_STRUCT_ADDRINFO
141struct addrinfo {
142	int	ai_flags;	/* AI_PASSIVE, AI_CANONNAME */
143	int	ai_family;	/* PF_xxx */
144	int	ai_socktype;	/* SOCK_xxx */
145	int	ai_protocol;	/* 0 or IPPROTO_xxx for IPv4 and IPv6 */
146	size_t	ai_addrlen;	/* length of ai_addr */
147	char	*ai_canonname;	/* canonical name for hostname */
148	struct sockaddr *ai_addr;	/* binary address */
149	struct addrinfo *ai_next;	/* next structure in linked list */
150};
151#endif /* !HAVE_STRUCT_ADDRINFO */
152
153#ifndef HAVE_GETADDRINFO
154#ifdef getaddrinfo
155# undef getaddrinfo
156#endif
157#define getaddrinfo(a,b,c,d)	(ssh_getaddrinfo(a,b,c,d))
158int getaddrinfo(const char *, const char *,
159    const struct addrinfo *, struct addrinfo **);
160#endif /* !HAVE_GETADDRINFO */
161
162#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
163#define gai_strerror(a)		(ssh_gai_strerror(a))
164char *gai_strerror(int);
165#endif /* !HAVE_GAI_STRERROR */
166
167#ifndef HAVE_FREEADDRINFO
168#define freeaddrinfo(a)		(ssh_freeaddrinfo(a))
169void freeaddrinfo(struct addrinfo *);
170#endif /* !HAVE_FREEADDRINFO */
171
172#ifndef HAVE_GETNAMEINFO
173#define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g))
174int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
175    char *, size_t, int);
176#endif /* !HAVE_GETNAMEINFO */
177
178#ifdef __cplusplus
179}
180#endif
181
182#endif /* !_FAKE_RFC2553_H */
183
184