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/*- |
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* Copyright (c) 1980, 1983, 1988, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* - |
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* Portions Copyright (c) 1993 by Digital Equipment Corporation. |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies, and that |
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* the name of Digital Equipment Corporation not be used in advertising or |
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* publicity pertaining to distribution of the document or software without |
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* specific, written prior permission. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL |
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT |
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS |
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
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* SOFTWARE. |
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* - |
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* --Copyright-- |
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*/ |
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|
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/* |
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* @(#)netdb.h 8.1 (Berkeley) 6/2/93 |
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* From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $ |
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* $FreeBSD: src/include/netdb.h,v 1.38.2.1 2005/07/22 20:17:30 ume Exp $ |
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*/ |
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|
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#ifndef _NETDB_H_ |
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#define _NETDB_H_ |
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|
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#include <sys/cdefs.h> |
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#include <sys/_types.h> |
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|
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#ifndef _SIZE_T_DECLARED |
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typedef __size_t size_t; |
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#define _SIZE_T_DECLARED |
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#endif |
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|
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#ifndef _SOCKLEN_T_DECLARED |
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typedef __socklen_t socklen_t; |
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#define _SOCKLEN_T_DECLARED |
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#endif |
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|
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#ifndef _UINT32_T_DECLARED |
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typedef __uint32_t uint32_t; |
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#define _UINT32_T_DECLARED |
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#endif |
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|
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#ifndef _PATH_HEQUIV |
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# define _PATH_HEQUIV "/etc/hosts.equiv" |
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#endif |
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#define _PATH_HOSTS "/etc/hosts" |
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#define _PATH_NETWORKS "/etc/networks" |
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#define _PATH_PROTOCOLS "/etc/protocols" |
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#define _PATH_SERVICES "/etc/services" |
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|
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#define h_errno (*__h_error()) |
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|
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/* |
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* Structures returned by network data base library. All addresses are |
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* supplied in host order, and returned in network order (suitable for |
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* use in system calls). |
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*/ |
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struct hostent { |
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char *h_name; /* official name of host */ |
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char **h_aliases; /* alias list */ |
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int h_addrtype; /* host address type */ |
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int h_length; /* length of address */ |
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char **h_addr_list; /* list of addresses from name server */ |
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#define h_addr h_addr_list[0] /* address, for backward compatibility */ |
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}; |
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|
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struct netent { |
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char *n_name; /* official name of net */ |
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char **n_aliases; /* alias list */ |
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int n_addrtype; /* net address type */ |
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uint32_t n_net; /* network # */ |
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}; |
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|
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struct servent { |
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char *s_name; /* official service name */ |
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char **s_aliases; /* alias list */ |
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int s_port; /* port # */ |
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char *s_proto; /* protocol to use */ |
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}; |
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|
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struct protoent { |
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char *p_name; /* official protocol name */ |
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char **p_aliases; /* alias list */ |
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int p_proto; /* protocol # */ |
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}; |
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|
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struct addrinfo { |
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int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */ |
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int ai_family; /* PF_xxx */ |
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int ai_socktype; /* SOCK_xxx */ |
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int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ |
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socklen_t ai_addrlen; /* length of ai_addr */ |
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char *ai_canonname; /* canonical name for hostname */ |
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struct sockaddr *ai_addr; /* binary address */ |
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struct addrinfo *ai_next; /* next structure in linked list */ |
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}; |
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|
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/* |
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* Error return codes from gethostbyname() and gethostbyaddr() |
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* (left in h_errno). |
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*/ |
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|
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#define NETDB_INTERNAL -1 /* see errno */ |
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#define NETDB_SUCCESS 0 /* no problem */ |
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#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */ |
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#define TRY_AGAIN 2 /* Non-Authoritative Host not found, or SERVERFAIL */ |
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#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ |
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#define NO_DATA 4 /* Valid name, no data record of requested type */ |
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#define NO_ADDRESS NO_DATA /* no address, look for MX record */ |
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|
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/* |
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* Error return codes from getaddrinfo() |
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*/ |
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#if 0 |
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/* obsoleted */ |
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#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */ |
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#endif |
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#define EAI_AGAIN 2 /* temporary failure in name resolution */ |
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#define EAI_BADFLAGS 3 /* invalid value for ai_flags */ |
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#define EAI_FAIL 4 /* non-recoverable failure in name resolution */ |
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#define EAI_FAMILY 5 /* ai_family not supported */ |
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#define EAI_MEMORY 6 /* memory allocation failure */ |
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#if 0 |
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/* obsoleted */ |
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#define EAI_NODATA 7 /* no address associated with hostname */ |
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#endif |
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#define EAI_NONAME 8 /* hostname nor servname provided, or not known */ |
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#define EAI_SERVICE 9 /* servname not supported for ai_socktype */ |
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#define EAI_SOCKTYPE 10 /* ai_socktype not supported */ |
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#define EAI_SYSTEM 11 /* system error returned in errno */ |
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#define EAI_BADHINTS 12 |
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#define EAI_PROTOCOL 13 |
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#define EAI_MAX 14 |
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|
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/* |
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* Flag values for getaddrinfo() |
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*/ |
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#define AI_PASSIVE 0x00000001 /* get address to use bind() */ |
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#define AI_CANONNAME 0x00000002 /* fill ai_canonname */ |
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#define AI_NUMERICHOST 0x00000004 /* prevent host name resolution */ |
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#define AI_NUMERICSERV 0x00000008 /* prevent service name resolution */ |
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/* valid flags for addrinfo (not a standard def, apps should not use it) */ |
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#define AI_MASK \ |
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(AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV | \ |
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AI_ADDRCONFIG) |
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|
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#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */ |
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#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */ |
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#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */ |
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#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */ |
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/* special recommended flags for getipnodebyname */ |
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#define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG) |
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|
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/* |
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* Constants for getnameinfo() |
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*/ |
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#define NI_MAXHOST 1025 |
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#define NI_MAXSERV 32 |
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|
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/* |
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* Flag values for getnameinfo() |
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*/ |
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#define NI_NOFQDN 0x00000001 |
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#define NI_NUMERICHOST 0x00000002 |
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#define NI_NAMEREQD 0x00000004 |
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#define NI_NUMERICSERV 0x00000008 |
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#define NI_DGRAM 0x00000010 |
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#if 0 /* obsolete */ |
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#define NI_WITHSCOPEID 0x00000020 |
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#endif |
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|
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/* |
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* Scope delimit character |
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*/ |
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#define SCOPE_DELIMITER '%' |
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|
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__BEGIN_DECLS |
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void endhostent(void); |
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void endnetent(void); |
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void endnetgrent(void); |
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void endprotoent(void); |
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void endservent(void); |
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void freehostent(struct hostent *); |
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struct hostent *gethostbyaddr(const char *, int, int); |
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struct hostent *gethostbyname(const char *); |
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struct hostent *gethostbyname2(const char *, int); |
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struct hostent *gethostent(void); |
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struct hostent *getipnodebyaddr(const void *, size_t, int, int *); |
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struct hostent *getipnodebyname(const char *, int, int, int *); |
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struct netent *getnetbyaddr(uint32_t, int); |
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struct netent *getnetbyname(const char *); |
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struct netent *getnetent(void); |
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int getnetgrent(char **, char **, char **); |
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struct protoent *getprotobyname(const char *); |
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struct protoent *getprotobynumber(int); |
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struct protoent *getprotoent(void); |
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struct servent *getservbyname(const char *, const char *); |
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struct servent *getservbyport(int, const char *); |
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struct servent *getservent(void); |
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void herror(const char *); |
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__const char *hstrerror(int); |
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int innetgr(const char *, const char *, const char *, const char *); |
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void sethostent(int); |
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/* void sethostfile(const char *); */ |
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void setnetent(int); |
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void setprotoent(int); |
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int getaddrinfo(const char *, const char *, |
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const struct addrinfo *, struct addrinfo **); |
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int getnameinfo(const struct sockaddr *, socklen_t, char *, |
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size_t, char *, size_t, int); |
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void freeaddrinfo(struct addrinfo *); |
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const char *gai_strerror(int); |
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void setnetgrent(const char *); |
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void setservent(int); |
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|
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/* |
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* PRIVATE functions specific to the FreeBSD implementation |
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*/ |
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|
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/* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */ |
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int * __h_error(void); |
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__END_DECLS |
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|
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#endif /* !_NETDB_H_ */ |
