fake-rfc2553.h revision 323134
1/* 2 * Copyright (C) 2000-2003 Damien Miller. All rights reserved. 3 * Copyright (C) 1999 WIDE Project. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30/* 31 * Pseudo-implementation of RFC2553 name / address resolution functions 32 * 33 * But these functions are not implemented correctly. The minimum subset 34 * is implemented for ssh use only. For example, this routine assumes 35 * that ai_family is AF_INET. Don't use it for another purpose. 36 */ 37 38#ifndef _FAKE_RFC2553_H 39#define _FAKE_RFC2553_H 40 41#include "includes.h" 42#include <sys/types.h> 43#if defined(HAVE_NETDB_H) 44# include <netdb.h> 45#endif 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 u_int32_t sin6_scope_id; 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#ifndef AI_NUMERICSERV 111# define AI_NUMERICSERV (1<<3) 112#endif 113 114#ifndef NI_MAXSERV 115# define NI_MAXSERV 32 116#endif /* !NI_MAXSERV */ 117#ifndef NI_MAXHOST 118# define NI_MAXHOST 1025 119#endif /* !NI_MAXHOST */ 120 121#ifndef EAI_NODATA 122# define EAI_NODATA (INT_MAX - 1) 123#endif 124#ifndef EAI_MEMORY 125# define EAI_MEMORY (INT_MAX - 2) 126#endif 127#ifndef EAI_NONAME 128# define EAI_NONAME (INT_MAX - 3) 129#endif 130#ifndef EAI_SYSTEM 131# define EAI_SYSTEM (INT_MAX - 4) 132#endif 133#ifndef EAI_FAMILY 134# define EAI_FAMILY (INT_MAX - 5) 135#endif 136 137#ifndef HAVE_STRUCT_ADDRINFO 138struct addrinfo { 139 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 140 int ai_family; /* PF_xxx */ 141 int ai_socktype; /* SOCK_xxx */ 142 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 143 size_t ai_addrlen; /* length of ai_addr */ 144 char *ai_canonname; /* canonical name for hostname */ 145 struct sockaddr *ai_addr; /* binary address */ 146 struct addrinfo *ai_next; /* next structure in linked list */ 147}; 148#endif /* !HAVE_STRUCT_ADDRINFO */ 149 150#ifndef HAVE_GETADDRINFO 151#ifdef getaddrinfo 152# undef getaddrinfo 153#endif 154#define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d)) 155int getaddrinfo(const char *, const char *, 156 const struct addrinfo *, struct addrinfo **); 157#endif /* !HAVE_GETADDRINFO */ 158 159#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) 160#define gai_strerror(a) (_ssh_compat_gai_strerror(a)) 161char *gai_strerror(int); 162#endif /* !HAVE_GAI_STRERROR */ 163 164#ifndef HAVE_FREEADDRINFO 165#define freeaddrinfo(a) (ssh_freeaddrinfo(a)) 166void freeaddrinfo(struct addrinfo *); 167#endif /* !HAVE_FREEADDRINFO */ 168 169#ifndef HAVE_GETNAMEINFO 170#define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g)) 171int getnameinfo(const struct sockaddr *, size_t, char *, size_t, 172 char *, size_t, int); 173#endif /* !HAVE_GETNAMEINFO */ 174 175#endif /* !_FAKE_RFC2553_H */ 176 177