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)) 54 struct 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 68 struct in6_addr { 69 uint8_t s6_addr[16]; 70 }; 71 #endif /* !HAVE_STRUCT_IN6_ADDR */ 72 73 #ifndef HAVE_STRUCT_SOCKADDR_IN6 74 struct 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 #ifndef PF_INET 88 #define PF_INET AF_INET 89 #endif 90 #ifndef PF_INET6 91 #define PF_INET6 AF_INET6 92 #endif 93 94 /* 95 * Next, RFC2553 name / address resolution API 96 */ 97 98 #ifndef NI_NUMERICHOST 99 # define NI_NUMERICHOST (1) 100 #endif 101 #ifndef NI_NAMEREQD 102 # define NI_NAMEREQD (1<<1) 103 #endif 104 #ifndef NI_NUMERICSERV 105 # define NI_NUMERICSERV (1<<2) 106 #endif 107 108 #ifndef AI_PASSIVE 109 # define AI_PASSIVE (1) 110 #endif 111 #ifndef AI_CANONNAME 112 # define AI_CANONNAME (1<<1) 113 #endif 114 #ifndef AI_NUMERICHOST 115 # define AI_NUMERICHOST (1<<2) 116 #endif 117 118 #ifndef NI_MAXSERV 119 # define NI_MAXSERV 32 120 #endif /* !NI_MAXSERV */ 121 #ifndef NI_MAXHOST 122 # define NI_MAXHOST 1025 123 #endif /* !NI_MAXHOST */ 124 125 #ifndef INT_MAX 126 #define INT_MAX 0xffffffff 127 #endif 128 129 #ifndef EAI_NODATA 130 # define EAI_NODATA (INT_MAX - 1) 131 #endif 132 #ifndef EAI_MEMORY 133 # define EAI_MEMORY (INT_MAX - 2) 134 #endif 135 #ifndef EAI_NONAME 136 # define EAI_NONAME (INT_MAX - 3) 137 #endif 138 #ifndef EAI_SYSTEM 139 # define EAI_SYSTEM (INT_MAX - 4) 140 #endif 141 142 #ifndef HAVE_STRUCT_ADDRINFO 143 struct addrinfo { 144 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 145 int ai_family; /* PF_xxx */ 146 int ai_socktype; /* SOCK_xxx */ 147 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 148 size_t ai_addrlen; /* length of ai_addr */ 149 char *ai_canonname; /* canonical name for hostname */ 150 struct sockaddr *ai_addr; /* binary address */ 151 struct addrinfo *ai_next; /* next structure in linked list */ 152 }; 153 #endif /* !HAVE_STRUCT_ADDRINFO */ 154 155 #ifndef HAVE_GETADDRINFO 156 #ifdef getaddrinfo 157 # undef getaddrinfo 158 #endif 159 #define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d)) 160 int getaddrinfo(const char *, const char *, 161 const struct addrinfo *, struct addrinfo **); 162 #endif /* !HAVE_GETADDRINFO */ 163 164 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) 165 #define gai_strerror(a) (ssh_gai_strerror(a)) 166 char *gai_strerror(int); 167 #endif /* !HAVE_GAI_STRERROR */ 168 169 #ifndef HAVE_FREEADDRINFO 170 #define freeaddrinfo(a) (ssh_freeaddrinfo(a)) 171 void freeaddrinfo(struct addrinfo *); 172 #endif /* !HAVE_FREEADDRINFO */ 173 174 #ifndef HAVE_GETNAMEINFO 175 #define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g)) 176 int getnameinfo(const struct sockaddr *, size_t, char *, size_t, 177 char *, size_t, int); 178 #endif /* !HAVE_GETNAMEINFO */ 179 180 #endif /* !_FAKE_RFC2553_H */ 181 182