1/* $Id: fake-rfc2553.h,v 1.16 2008/07/14 11:37:37 djm Exp $ */ 2 3/* 4 * Copyright (C) 2000-2003 Damien Miller. All rights reserved. 5 * Copyright (C) 1999 WIDE Project. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32/* 33 * Pseudo-implementation of RFC2553 name / address resolution functions 34 * 35 * But these functions are not implemented correctly. The minimum subset 36 * is implemented for ssh use only. For example, this routine assumes 37 * that ai_family is AF_INET. Don't use it for another purpose. 38 */ 39 40#ifndef _FAKE_RFC2553_H 41#define _FAKE_RFC2553_H 42 43#include "includes.h" 44#include <sys/types.h> 45#if defined(HAVE_NETDB_H) 46# include <netdb.h> 47#endif 48 49/* 50 * First, socket and INET6 related definitions 51 */ 52#ifndef HAVE_STRUCT_SOCKADDR_STORAGE 53# define _SS_MAXSIZE 128 /* Implementation specific max size */ 54# define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr)) 55struct sockaddr_storage { 56 struct sockaddr ss_sa; 57 char __ss_pad2[_SS_PADSIZE]; 58}; 59# define ss_family ss_sa.sa_family 60#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */ 61 62#ifndef IN6_IS_ADDR_LOOPBACK 63# define IN6_IS_ADDR_LOOPBACK(a) \ 64 (((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \ 65 ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1)) 66#endif /* !IN6_IS_ADDR_LOOPBACK */ 67 68#ifndef HAVE_STRUCT_IN6_ADDR 69struct in6_addr { 70 u_int8_t s6_addr[16]; 71}; 72#endif /* !HAVE_STRUCT_IN6_ADDR */ 73 74#ifndef HAVE_STRUCT_SOCKADDR_IN6 75struct sockaddr_in6 { 76 unsigned short sin6_family; 77 u_int16_t sin6_port; 78 u_int32_t sin6_flowinfo; 79 struct in6_addr sin6_addr; 80 u_int32_t sin6_scope_id; 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#ifndef EAI_FAMILY 133# define EAI_FAMILY (INT_MAX - 5) 134#endif 135 136#ifndef HAVE_STRUCT_ADDRINFO 137struct addrinfo { 138 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 139 int ai_family; /* PF_xxx */ 140 int ai_socktype; /* SOCK_xxx */ 141 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 142 size_t ai_addrlen; /* length of ai_addr */ 143 char *ai_canonname; /* canonical name for hostname */ 144 struct sockaddr *ai_addr; /* binary address */ 145 struct addrinfo *ai_next; /* next structure in linked list */ 146}; 147#endif /* !HAVE_STRUCT_ADDRINFO */ 148 149#ifndef HAVE_GETADDRINFO 150#ifdef getaddrinfo 151# undef getaddrinfo 152#endif 153#define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d)) 154int getaddrinfo(const char *, const char *, 155 const struct addrinfo *, struct addrinfo **); 156#endif /* !HAVE_GETADDRINFO */ 157 158#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) 159#define gai_strerror(a) (_ssh_compat_gai_strerror(a)) 160char *gai_strerror(int); 161#endif /* !HAVE_GAI_STRERROR */ 162 163#ifndef HAVE_FREEADDRINFO 164#define freeaddrinfo(a) (ssh_freeaddrinfo(a)) 165void freeaddrinfo(struct addrinfo *); 166#endif /* !HAVE_FREEADDRINFO */ 167 168#ifndef HAVE_GETNAMEINFO 169#define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g)) 170int getnameinfo(const struct sockaddr *, size_t, char *, size_t, 171 char *, size_t, int); 172#endif /* !HAVE_GETNAMEINFO */ 173 174#endif /* !_FAKE_RFC2553_H */ 175 176