1 /* $Id: fake-rfc2553.h,v 1.6.2.1 2003/09/22 02:09:18 dtucker 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 46 /* 47 * First, socket and INET6 related definitions 48 */ 49 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE 50 # define _SS_MAXSIZE 128 /* Implementation specific max size */ 51 # define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr)) 52 struct sockaddr_storage { 53 struct sockaddr ss_sa; 54 char __ss_pad2[_SS_PADSIZE]; 55 }; 56 # define ss_family ss_sa.sa_family 57 #endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */ 58 59 #ifndef IN6_IS_ADDR_LOOPBACK 60 # define IN6_IS_ADDR_LOOPBACK(a) \ 61 (((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \ 62 ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1)) 63 #endif /* !IN6_IS_ADDR_LOOPBACK */ 64 65 #ifndef HAVE_STRUCT_IN6_ADDR 66 struct in6_addr { 67 u_int8_t s6_addr[16]; 68 }; 69 #endif /* !HAVE_STRUCT_IN6_ADDR */ 70 71 #ifndef HAVE_STRUCT_SOCKADDR_IN6 72 struct sockaddr_in6 { 73 unsigned short sin6_family; 74 u_int16_t sin6_port; 75 u_int32_t sin6_flowinfo; 76 struct in6_addr sin6_addr; 77 }; 78 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */ 79 80 #ifndef AF_INET6 81 /* Define it to something that should never appear */ 82 #define AF_INET6 AF_MAX 83 #endif 84 85 /* 86 * Next, RFC2553 name / address resolution API 87 */ 88 89 #ifndef NI_NUMERICHOST 90 # define NI_NUMERICHOST (1) 91 #endif 92 #ifndef NI_NAMEREQD 93 # define NI_NAMEREQD (1<<1) 94 #endif 95 #ifndef NI_NUMERICSERV 96 # define NI_NUMERICSERV (1<<2) 97 #endif 98 99 #ifndef AI_PASSIVE 100 # define AI_PASSIVE (1) 101 #endif 102 #ifndef AI_CANONNAME 103 # define AI_CANONNAME (1<<1) 104 #endif 105 #ifndef AI_NUMERICHOST 106 # define AI_NUMERICHOST (1<<2) 107 #endif 108 109 #ifndef NI_MAXSERV 110 # define NI_MAXSERV 32 111 #endif /* !NI_MAXSERV */ 112 #ifndef NI_MAXHOST 113 # define NI_MAXHOST 1025 114 #endif /* !NI_MAXHOST */ 115 116 #ifndef EAI_NODATA 117 # define EAI_NODATA 1 118 # define EAI_MEMORY 2 119 # define EAI_NONAME 3 120 #endif 121 122 #ifndef HAVE_STRUCT_ADDRINFO 123 struct addrinfo { 124 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 125 int ai_family; /* PF_xxx */ 126 int ai_socktype; /* SOCK_xxx */ 127 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 128 size_t ai_addrlen; /* length of ai_addr */ 129 char *ai_canonname; /* canonical name for hostname */ 130 struct sockaddr *ai_addr; /* binary address */ 131 struct addrinfo *ai_next; /* next structure in linked list */ 132 }; 133 #endif /* !HAVE_STRUCT_ADDRINFO */ 134 135 #ifndef HAVE_GETADDRINFO 136 int getaddrinfo(const char *, const char *, 137 const struct addrinfo *, struct addrinfo **); 138 #endif /* !HAVE_GETADDRINFO */ 139 140 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) 141 char *gai_strerror(int); 142 #endif /* !HAVE_GAI_STRERROR */ 143 144 #ifndef HAVE_FREEADDRINFO 145 void freeaddrinfo(struct addrinfo *); 146 #endif /* !HAVE_FREEADDRINFO */ 147 148 #ifndef HAVE_GETNAMEINFO 149 int getnameinfo(const struct sockaddr *, size_t, char *, size_t, 150 char *, size_t, int); 151 #endif /* !HAVE_GETNAMEINFO */ 152 153 #endif /* !_FAKE_RFC2553_H */ 154 155