define IPv6 library functions and structures, as defined in
RFC2292 and RFC2553. define internal state structure for IPv6-transport resolver. Commits for source code will follow.
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itojun
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10f59f2d42
101
include/netdb.h
101
include/netdb.h
@ -1,4 +1,33 @@
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/* $NetBSD: netdb.h,v 1.11 1998/05/10 17:32:39 kleink Exp $ */
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/* $NetBSD: netdb.h,v 1.12 1999/07/01 18:15:41 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* 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. Neither the name of the project 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 PROJECT 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 PROJECT 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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* Copyright (c) 1980, 1983, 1988, 1993
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@ -60,6 +89,7 @@
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#define _NETDB_H_
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <inttypes.h>
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@ -111,6 +141,17 @@ struct protoent {
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int p_proto; /* protocol # */
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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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size_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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* Error return codes from gethostbyname() and gethostbyaddr()
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* (left in extern int h_errno).
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@ -128,17 +169,69 @@ struct protoent {
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#define NO_ADDRESS NO_DATA /* no address, look for MX record */
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#endif
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/*
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* Error return codes from getaddrinfo()
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*/
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#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
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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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#define EAI_NODATA 7 /* no address associated with hostname */
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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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* 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 name resolution */
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/* valid flags for addrinfo */
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#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
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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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* 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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* 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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__BEGIN_DECLS
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void endhostent __P((void));
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void endnetent __P((void));
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void endprotoent __P((void));
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void endservent __P((void));
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void freehostent __P((struct hostent *));
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struct hostent *gethostbyaddr __P((const char *, int, int));
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struct hostent *gethostbyname __P((const char *));
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#if !defined(_XOPEN_SOURCE)
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struct hostent *gethostbyname2 __P((const char *, int));
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#endif
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struct hostent *gethostent __P((void));
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struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
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struct hostent *getipnodebyname __P((const char *, int, int, int *));
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struct netent *getnetbyaddr __P((unsigned long, int));
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struct netent *getnetbyname __P((const char *));
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struct netent *getnetent __P((void));
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@ -158,6 +251,12 @@ void sethostent __P((int));
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#endif
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void setnetent __P((int));
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void setprotoent __P((int));
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int getaddrinfo __P((const char *, const char *,
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const struct addrinfo *, struct addrinfo **));
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int getnameinfo __P((const struct sockaddr *, size_t, char *,
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size_t, char *, size_t, int));
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void freeaddrinfo __P((struct addrinfo *));
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char *gai_strerror __P((int));
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void setservent __P((int));
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__END_DECLS
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@ -1,4 +1,33 @@
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/* $NetBSD: resolv.h,v 1.17 1999/01/17 05:08:10 lukem Exp $ */
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/* $NetBSD: resolv.h,v 1.18 1999/07/01 18:15:41 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* 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. Neither the name of the project 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 PROJECT 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 PROJECT 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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* Copyright (c) 1983, 1987, 1989, 1993
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@ -62,6 +91,7 @@
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/cdefs.h>
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#include <sys/socket.h>
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#include <stdio.h>
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/*
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@ -118,6 +148,23 @@ struct __res_state {
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char lookups[4];
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};
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#if 1 /* INET6 */
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/*
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* replacement of __res_state, separated to keep binary compatibility.
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*/
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struct __res_state_ext {
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struct sockaddr_storage nsaddr_list[MAXNS];
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struct {
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int af; /* address family for addr, mask */
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union {
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struct in_addr ina;
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struct in6_addr in6a;
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} addr, mask;
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} sort_list[MAXRESOLVSORT];
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};
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#endif
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/*
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* Resolver options (keep these in synch with res_debug.c, please)
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*/
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@ -183,6 +230,9 @@ struct res_sym {
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};
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extern struct __res_state _res;
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#if 1 /* INET6 */
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extern struct __res_state_ext _res_ext;
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#endif
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extern const struct res_sym __p_class_syms[];
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extern const struct res_sym __p_type_syms[];
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@ -1,4 +1,4 @@
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/* $NetBSD: unistd.h,v 1.74 1999/04/20 20:15:48 kleink Exp $ */
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/* $NetBSD: unistd.h,v 1.75 1999/07/01 18:15:41 itojun Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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@ -331,6 +331,12 @@ extern int optreset; /* getopt(3) external variable */
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extern char *suboptarg; /* getsubopt(3) external variable */
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#endif
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#if 1 /*INET6*/
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int rresvport_af __P((int *, int));
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int ruserok_af __P((const char *, int, const char *, const char *, int));
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int iruserok_af __P((const void *, int, const char *, const char *, int));
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#endif
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__END_DECLS
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#endif /* !_UNISTD_H_ */
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