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 <config.h> 43#include <sys/types.h> 44#include <sys/socket.h> 45#include <netdb.h> 46#include <limits.h> 47 48/* 49 * First, socket and INET6 related definitions 50 */ 51#ifndef HAVE_STRUCT_SOCKADDR_STORAGE 52# define _SS_MAXSIZE 128 /* Implementation specific max size */ 53# define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr)) 54struct sockaddr_storage { 55 struct sockaddr ss_sa; 56 char __ss_pad2[_SS_PADSIZE]; 57}; 58# define ss_family ss_sa.sa_family 59#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */ 60 61#ifndef IN6_IS_ADDR_LOOPBACK 62# define IN6_IS_ADDR_LOOPBACK(a) \ 63 (((uint32_t *)(a))[0] == 0 && ((uint32_t *)(a))[1] == 0 && \ 64 ((uint32_t *)(a))[2] == 0 && ((uint32_t *)(a))[3] == htonl(1)) 65#endif /* !IN6_IS_ADDR_LOOPBACK */ 66 67#ifndef HAVE_STRUCT_IN6_ADDR 68struct in6_addr { 69 uint8_t s6_addr[16]; 70}; 71#endif /* !HAVE_STRUCT_IN6_ADDR */ 72 73#ifndef HAVE_STRUCT_SOCKADDR_IN6 74struct sockaddr_in6 { 75 unsigned short sin6_family; 76 uint16_t sin6_port; 77 uint32_t sin6_flowinfo; 78 struct in6_addr sin6_addr; 79}; 80#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */ 81 82#ifndef AF_INET6 83/* Define it to something that should never appear */ 84#define AF_INET6 AF_MAX 85#endif 86 87/* 88 * Next, RFC2553 name / address resolution API 89 */ 90 91#ifndef NI_NUMERICHOST 92# define NI_NUMERICHOST (1) 93#endif 94#ifndef NI_NAMEREQD 95# define NI_NAMEREQD (1<<1) 96#endif 97#ifndef NI_NUMERICSERV 98# define NI_NUMERICSERV (1<<2) 99#endif 100 101#ifndef AI_PASSIVE 102# define AI_PASSIVE (1) 103#endif 104#ifndef AI_CANONNAME 105# define AI_CANONNAME (1<<1) 106#endif 107#ifndef AI_NUMERICHOST 108# define AI_NUMERICHOST (1<<2) 109#endif 110 111#ifndef NI_MAXSERV 112# define NI_MAXSERV 32 113#endif /* !NI_MAXSERV */ 114#ifndef NI_MAXHOST 115# define NI_MAXHOST 1025 116#endif /* !NI_MAXHOST */ 117 118#ifndef INT_MAX 119#define INT_MAX 0xffffffff 120#endif 121 122#ifndef EAI_NODATA 123# define EAI_NODATA (INT_MAX - 1) 124#endif 125#ifndef EAI_MEMORY 126# define EAI_MEMORY (INT_MAX - 2) 127#endif 128#ifndef EAI_NONAME 129# define EAI_NONAME (INT_MAX - 3) 130#endif 131#ifndef EAI_SYSTEM 132# define EAI_SYSTEM (INT_MAX - 4) 133#endif 134 135#ifndef HAVE_STRUCT_ADDRINFO 136struct addrinfo { 137 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 138 int ai_family; /* PF_xxx */ 139 int ai_socktype; /* SOCK_xxx */ 140 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 141 size_t ai_addrlen; /* length of ai_addr */ 142 char *ai_canonname; /* canonical name for hostname */ 143 struct sockaddr *ai_addr; /* binary address */ 144 struct addrinfo *ai_next; /* next structure in linked list */ 145}; 146#endif /* !HAVE_STRUCT_ADDRINFO */ 147 148#ifndef HAVE_GETADDRINFO 149#ifdef getaddrinfo 150# undef getaddrinfo 151#endif 152#define getaddrinfo(a,b,c,d) (getaddrinfo_unbound(a,b,c,d)) 153int getaddrinfo(const char *, const char *, 154 const struct addrinfo *, struct addrinfo **); 155#endif /* !HAVE_GETADDRINFO */ 156 157#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) 158#define gai_strerror(a) (gai_strerror_unbound(a)) 159char *gai_strerror(int); 160#endif /* !HAVE_GAI_STRERROR */ 161 162#ifndef HAVE_FREEADDRINFO 163#define freeaddrinfo(a) (freeaddrinfo_unbound(a)) 164void freeaddrinfo(struct addrinfo *); 165#endif /* !HAVE_FREEADDRINFO */ 166 167#ifndef HAVE_GETNAMEINFO 168#define getnameinfo(a,b,c,d,e,f,g) (getnameinfo_unbound(a,b,c,d,e,f,g)) 169int getnameinfo(const struct sockaddr *, size_t, char *, size_t, 170 char *, size_t, int); 171#endif /* !HAVE_GETNAMEINFO */ 172 173#endif /* !_FAKE_RFC2553_H */ 174 175