1 /* $FreeBSD$ */ 2 /* $Id: fake-rfc2553.h,v 1.8 2004/02/10 02:05:41 dtucker Exp $ */ 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 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)) 53 struct 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 67 struct in6_addr { 68 u_int8_t s6_addr[16]; 69 }; 70 #endif /* !HAVE_STRUCT_IN6_ADDR */ 71 72 #ifndef HAVE_STRUCT_SOCKADDR_IN6 73 struct 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 }; 79 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */ 80 81 #ifndef AF_INET6 82 /* Define it to something that should never appear */ 83 #define AF_INET6 AF_MAX 84 #endif 85 86 /* 87 * Next, RFC2553 name / address resolution API 88 */ 89 90 #ifndef NI_NUMERICHOST 91 # define NI_NUMERICHOST (1) 92 #endif 93 #ifndef NI_NAMEREQD 94 # define NI_NAMEREQD (1<<1) 95 #endif 96 #ifndef NI_NUMERICSERV 97 # define NI_NUMERICSERV (1<<2) 98 #endif 99 100 #ifndef AI_PASSIVE 101 # define AI_PASSIVE (1) 102 #endif 103 #ifndef AI_CANONNAME 104 # define AI_CANONNAME (1<<1) 105 #endif 106 #ifndef AI_NUMERICHOST 107 # define AI_NUMERICHOST (1<<2) 108 #endif 109 110 #ifndef NI_MAXSERV 111 # define NI_MAXSERV 32 112 #endif /* !NI_MAXSERV */ 113 #ifndef NI_MAXHOST 114 # define NI_MAXHOST 1025 115 #endif /* !NI_MAXHOST */ 116 117 #ifndef EAI_NONAME 118 # define EAI_NODATA 1 119 # define EAI_MEMORY 2 120 # define EAI_NONAME 3 121 #endif 122 123 #ifndef HAVE_STRUCT_ADDRINFO 124 struct addrinfo { 125 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 126 int ai_family; /* PF_xxx */ 127 int ai_socktype; /* SOCK_xxx */ 128 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 129 size_t ai_addrlen; /* length of ai_addr */ 130 char *ai_canonname; /* canonical name for hostname */ 131 struct sockaddr *ai_addr; /* binary address */ 132 struct addrinfo *ai_next; /* next structure in linked list */ 133 }; 134 #endif /* !HAVE_STRUCT_ADDRINFO */ 135 136 #ifndef HAVE_GETADDRINFO 137 #ifdef getaddrinfo 138 # undef getaddrinfo 139 #endif 140 #define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d)) 141 int getaddrinfo(const char *, const char *, 142 const struct addrinfo *, struct addrinfo **); 143 #endif /* !HAVE_GETADDRINFO */ 144 145 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) 146 #define gai_strerror(a) (ssh_gai_strerror(a)) 147 char *gai_strerror(int); 148 #endif /* !HAVE_GAI_STRERROR */ 149 150 #ifndef HAVE_FREEADDRINFO 151 #define freeaddrinfo(a) (ssh_freeaddrinfo(a)) 152 void freeaddrinfo(struct addrinfo *); 153 #endif /* !HAVE_FREEADDRINFO */ 154 155 #ifndef HAVE_GETNAMEINFO 156 #define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g)) 157 int getnameinfo(const struct sockaddr *, size_t, char *, size_t, 158 char *, size_t, int); 159 #endif /* !HAVE_GETNAMEINFO */ 160 161 #endif /* !_FAKE_RFC2553_H */ 162 163