1 /* 2 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. 3 * 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 #ifndef HAVE_GETADDRINFO 31 32 /* 33 * Error return codes from getaddrinfo() 34 */ 35 #ifdef EAI_ADDRFAMILY 36 /* If this is defined, there is a conflicting implementation 37 in the C library, which can't be used for some reason. 38 Make sure it won't interfere with this emulation. */ 39 40 #undef EAI_ADDRFAMILY 41 #undef EAI_AGAIN 42 #undef EAI_BADFLAGS 43 #undef EAI_FAIL 44 #undef EAI_FAMILY 45 #undef EAI_MEMORY 46 #undef EAI_NODATA 47 #undef EAI_NONAME 48 #undef EAI_SERVICE 49 #undef EAI_SOCKTYPE 50 #undef EAI_SYSTEM 51 #undef EAI_BADHINTS 52 #undef EAI_PROTOCOL 53 #undef EAI_MAX 54 #undef getaddrinfo 55 #define getaddrinfo fake_getaddrinfo 56 #endif /* EAI_ADDRFAMILY */ 57 58 #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */ 59 #define EAI_AGAIN 2 /* temporary failure in name resolution */ 60 #define EAI_BADFLAGS 3 /* invalid value for ai_flags */ 61 #define EAI_FAIL 4 /* non-recoverable failure in name resolution */ 62 #define EAI_FAMILY 5 /* ai_family not supported */ 63 #define EAI_MEMORY 6 /* memory allocation failure */ 64 #define EAI_NODATA 7 /* no address associated with hostname */ 65 #define EAI_NONAME 8 /* hostname nor servname provided, or not known */ 66 #define EAI_SERVICE 9 /* servname not supported for ai_socktype */ 67 #define EAI_SOCKTYPE 10 /* ai_socktype not supported */ 68 #define EAI_SYSTEM 11 /* system error returned in errno */ 69 #define EAI_BADHINTS 12 70 #define EAI_PROTOCOL 13 71 #define EAI_MAX 14 72 73 /* 74 * Flag values for getaddrinfo() 75 */ 76 #ifdef AI_PASSIVE 77 #undef AI_PASSIVE 78 #undef AI_CANONNAME 79 #undef AI_NUMERICHOST 80 #undef AI_MASK 81 #undef AI_ALL 82 #undef AI_V4MAPPED_CFG 83 #undef AI_ADDRCONFIG 84 #undef AI_V4MAPPED 85 #undef AI_DEFAULT 86 #endif /* AI_PASSIVE */ 87 88 #define AI_PASSIVE 0x00000001 /* get address to use bind() */ 89 #define AI_CANONNAME 0x00000002 /* fill ai_canonname */ 90 #define AI_NUMERICHOST 0x00000004 /* prevent name resolution */ 91 /* valid flags for addrinfo */ 92 #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST) 93 94 #define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */ 95 #define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */ 96 #define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */ 97 #define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */ 98 /* special recommended flags for getipnodebyname */ 99 #define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG) 100 101 #endif /* !HAVE_GETADDRINFO */ 102 103 #ifndef HAVE_GETNAMEINFO 104 105 /* 106 * Constants for getnameinfo() 107 */ 108 #ifndef NI_MAXHOST 109 #define NI_MAXHOST 1025 110 #define NI_MAXSERV 32 111 #endif /* !NI_MAXHOST */ 112 113 /* 114 * Flag values for getnameinfo() 115 */ 116 #ifndef NI_NOFQDN 117 #define NI_NOFQDN 0x00000001 118 #define NI_NUMERICHOST 0x00000002 119 #define NI_NAMEREQD 0x00000004 120 #define NI_NUMERICSERV 0x00000008 121 #define NI_DGRAM 0x00000010 122 #endif /* !NI_NOFQDN */ 123 124 #endif /* !HAVE_GETNAMEINFO */ 125 126 #ifndef _SYS_SOCKET_H_ 127 #ifndef HAVE_ADDRINFO 128 struct addrinfo { 129 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 130 int ai_family; /* PF_xxx */ 131 int ai_socktype; /* SOCK_xxx */ 132 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 133 size_t ai_addrlen; /* length of ai_addr */ 134 char *ai_canonname; /* canonical name for hostname */ 135 struct sockaddr *ai_addr; /* binary address */ 136 struct addrinfo *ai_next; /* next structure in linked list */ 137 }; 138 #endif /* !HAVE_ADDRINFO */ 139 140 #ifndef HAVE_SOCKADDR_STORAGE 141 /* 142 * RFC 2553: protocol-independent placeholder for socket addresses 143 */ 144 #define _SS_MAXSIZE 128 145 #ifdef HAVE_LONG_LONG 146 #define _SS_ALIGNSIZE (sizeof(PY_LONG_LONG)) 147 #else 148 #define _SS_ALIGNSIZE (sizeof(double)) 149 #endif /* HAVE_LONG_LONG */ 150 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) * 2) 151 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) * 2 - \ 152 _SS_PAD1SIZE - _SS_ALIGNSIZE) 153 154 struct sockaddr_storage { 155 #ifdef HAVE_SOCKADDR_SA_LEN 156 unsigned char ss_len; /* address length */ 157 unsigned char ss_family; /* address family */ 158 #else 159 unsigned short ss_family; /* address family */ 160 #endif /* HAVE_SOCKADDR_SA_LEN */ 161 char __ss_pad1[_SS_PAD1SIZE]; 162 #ifdef HAVE_LONG_LONG 163 PY_LONG_LONG __ss_align; /* force desired structure storage alignment */ 164 #else 165 double __ss_align; /* force desired structure storage alignment */ 166 #endif /* HAVE_LONG_LONG */ 167 char __ss_pad2[_SS_PAD2SIZE]; 168 }; 169 #endif /* !HAVE_SOCKADDR_STORAGE */ 170 #endif /* _SYS_SOCKET_H_ */ 171 172 #ifdef __cplusplus 173 extern "C" { 174 #endif 175 extern void freehostent Py_PROTO((struct hostent *)); 176 #ifdef __cplusplus 177 } 178 #endif 179
