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 <sys/types.h> 43 #include <sys/socket.h> 44 #include <netdb.h> 45 #include <limits.h> 46 47 #ifdef __cplusplus 48 extern "C" { 49 #endif 50 51 /* 52 * First, socket and INET6 related definitions 53 */ 54 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE 55 #ifndef _SS_MAXSIZE 56 # define _SS_MAXSIZE 128 /* Implementation specific max size */ 57 # define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr)) 58 struct sockaddr_storage { 59 struct sockaddr ss_sa; 60 char __ss_pad2[_SS_PADSIZE]; 61 }; 62 # define ss_family ss_sa.sa_family 63 #endif /* _SS_MAXSIZE */ 64 #endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */ 65 66 #ifndef IN6_IS_ADDR_LOOPBACK 67 # define IN6_IS_ADDR_LOOPBACK(a) \ 68 (((uint32_t *)(a))[0] == 0 && ((uint32_t *)(a))[1] == 0 && \ 69 ((uint32_t *)(a))[2] == 0 && ((uint32_t *)(a))[3] == htonl(1)) 70 #endif /* !IN6_IS_ADDR_LOOPBACK */ 71 72 #ifndef HAVE_STRUCT_IN6_ADDR 73 struct in6_addr { 74 uint8_t s6_addr[16]; 75 }; 76 #endif /* !HAVE_STRUCT_IN6_ADDR */ 77 78 #ifndef HAVE_STRUCT_SOCKADDR_IN6 79 struct sockaddr_in6 { 80 unsigned short sin6_family; 81 uint16_t sin6_port; 82 uint32_t sin6_flowinfo; 83 struct in6_addr sin6_addr; 84 }; 85 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */ 86 87 #ifndef AF_INET6 88 /* Define it to something that should never appear */ 89 #define AF_INET6 AF_MAX 90 #endif 91 92 /* 93 * Next, RFC2553 name / address resolution API 94 */ 95 96 #ifndef NI_NUMERICHOST 97 # define NI_NUMERICHOST (1) 98 #endif 99 #ifndef NI_NAMEREQD 100 # define NI_NAMEREQD (1<<1) 101 #endif 102 #ifndef NI_NUMERICSERV 103 # define NI_NUMERICSERV (1<<2) 104 #endif 105 106 #ifndef AI_PASSIVE 107 # define AI_PASSIVE (1) 108 #endif 109 #ifndef AI_CANONNAME 110 # define AI_CANONNAME (1<<1) 111 #endif 112 #ifndef AI_NUMERICHOST 113 # define AI_NUMERICHOST (1<<2) 114 #endif 115 116 #ifndef NI_MAXSERV 117 # define NI_MAXSERV 32 118 #endif /* !NI_MAXSERV */ 119 #ifndef NI_MAXHOST 120 # define NI_MAXHOST 1025 121 #endif /* !NI_MAXHOST */ 122 123 #ifndef INT_MAX 124 #define INT_MAX 0xffffffff 125 #endif 126 127 #ifndef EAI_NODATA 128 # define EAI_NODATA (INT_MAX - 1) 129 #endif 130 #ifndef EAI_MEMORY 131 # define EAI_MEMORY (INT_MAX - 2) 132 #endif 133 #ifndef EAI_NONAME 134 # define EAI_NONAME (INT_MAX - 3) 135 #endif 136 #ifndef EAI_SYSTEM 137 # define EAI_SYSTEM (INT_MAX - 4) 138 #endif 139 140 #ifndef HAVE_STRUCT_ADDRINFO 141 struct addrinfo { 142 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 143 int ai_family; /* PF_xxx */ 144 int ai_socktype; /* SOCK_xxx */ 145 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 146 size_t ai_addrlen; /* length of ai_addr */ 147 char *ai_canonname; /* canonical name for hostname */ 148 struct sockaddr *ai_addr; /* binary address */ 149 struct addrinfo *ai_next; /* next structure in linked list */ 150 }; 151 #endif /* !HAVE_STRUCT_ADDRINFO */ 152 153 #ifndef HAVE_GETADDRINFO 154 #ifdef getaddrinfo 155 # undef getaddrinfo 156 #endif 157 #define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d)) 158 int getaddrinfo(const char *, const char *, 159 const struct addrinfo *, struct addrinfo **); 160 #endif /* !HAVE_GETADDRINFO */ 161 162 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) 163 #define gai_strerror(a) (ssh_gai_strerror(a)) 164 char *gai_strerror(int); 165 #endif /* !HAVE_GAI_STRERROR */ 166 167 #ifndef HAVE_FREEADDRINFO 168 #define freeaddrinfo(a) (ssh_freeaddrinfo(a)) 169 void freeaddrinfo(struct addrinfo *); 170 #endif /* !HAVE_FREEADDRINFO */ 171 172 #ifndef HAVE_GETNAMEINFO 173 #define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g)) 174 int getnameinfo(const struct sockaddr *, size_t, char *, size_t, 175 char *, size_t, int); 176 #endif /* !HAVE_GETNAMEINFO */ 177 178 #ifdef __cplusplus 179 } 180 #endif 181 182 #endif /* !_FAKE_RFC2553_H */ 183 184