/contrib/bind9/lib/irs/include/irs/netdb.h.in

  1/*
  2 * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
  3 *
  4 * Permission to use, copy, modify, and/or distribute this software for any
  5 * purpose with or without fee is hereby granted, provided that the above
  6 * copyright notice and this permission notice appear in all copies.
  7 *
  8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 10 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 14 * PERFORMANCE OF THIS SOFTWARE.
 15 */
 16
 17/* $Id: netdb.h.in,v 1.3 2009/09/02 23:48:02 tbox Exp $ */
 18
 19/*! \file */
 20
 21#ifndef IRS_NETDB_H
 22#define IRS_NETDB_H 1
 23
 24#include <stddef.h>	/* Required on FreeBSD (and  others?) for size_t. */
 25#include <netdb.h>	/* Contractual provision. */
 26
 27/*
 28 * Define if <netdb.h> does not declare struct addrinfo.
 29 */
 30@ISC_IRS_NEEDADDRINFO@
 31
 32#ifdef ISC_IRS_NEEDADDRINFO
 33struct addrinfo {
 34	int		ai_flags;      /* AI_PASSIVE, AI_CANONNAME */
 35	int		ai_family;     /* PF_xxx */
 36	int		ai_socktype;   /* SOCK_xxx */
 37	int		ai_protocol;   /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
 38	size_t		ai_addrlen;    /* Length of ai_addr */
 39	char		*ai_canonname; /* Canonical name for hostname */
 40	struct sockaddr	*ai_addr;      /* Binary address */
 41	struct addrinfo	*ai_next;      /* Next structure in linked list */
 42};
 43#endif
 44
 45/*
 46 * Undefine all #defines we are interested in as <netdb.h> may or may not have
 47 * defined them.
 48 */
 49
 50/*
 51 * Error return codes from gethostbyname() and gethostbyaddr()
 52 * (left in extern int h_errno).
 53 */
 54
 55#undef	NETDB_INTERNAL
 56#undef	NETDB_SUCCESS
 57#undef	HOST_NOT_FOUND
 58#undef	TRY_AGAIN
 59#undef	NO_RECOVERY
 60#undef	NO_DATA
 61#undef	NO_ADDRESS
 62
 63#define	NETDB_INTERNAL	-1	/* see errno */
 64#define	NETDB_SUCCESS	0	/* no problem */
 65#define	HOST_NOT_FOUND	1 /* Authoritative Answer Host not found */
 66#define	TRY_AGAIN	2 /* Non-Authoritive Host not found, or SERVERFAIL */
 67#define	NO_RECOVERY	3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
 68#define	NO_DATA		4 /* Valid name, no data record of requested type */
 69#define	NO_ADDRESS	NO_DATA		/* no address, look for MX record */
 70
 71/*
 72 * Error return codes from getaddrinfo().  EAI_INSECUREDATA is our own extension
 73 * and it's very unlikely to be already defined, but undef it just in case; it
 74 * at least doesn't do any harm.
 75 */
 76
 77#undef	EAI_ADDRFAMILY
 78#undef	EAI_AGAIN
 79#undef	EAI_BADFLAGS
 80#undef	EAI_FAIL
 81#undef	EAI_FAMILY
 82#undef	EAI_MEMORY
 83#undef	EAI_NODATA
 84#undef	EAI_NONAME
 85#undef	EAI_SERVICE
 86#undef	EAI_SOCKTYPE
 87#undef	EAI_SYSTEM
 88#undef	EAI_BADHINTS
 89#undef	EAI_PROTOCOL
 90#undef	EAI_OVERFLOW
 91#undef	EAI_INSECUREDATA
 92#undef	EAI_MAX
 93
 94#define	EAI_ADDRFAMILY	 1	/* address family for hostname not supported */
 95#define	EAI_AGAIN	 2	/* temporary failure in name resolution */
 96#define	EAI_BADFLAGS	 3	/* invalid value for ai_flags */
 97#define	EAI_FAIL	 4	/* non-recoverable failure in name resolution */
 98#define	EAI_FAMILY	 5	/* ai_family not supported */
 99#define	EAI_MEMORY	 6	/* memory allocation failure */
100#define	EAI_NODATA	 7	/* no address associated with hostname */
101#define	EAI_NONAME	 8	/* hostname nor servname provided, or not known */
102#define	EAI_SERVICE	 9	/* servname not supported for ai_socktype */
103#define	EAI_SOCKTYPE	10	/* ai_socktype not supported */
104#define	EAI_SYSTEM	11	/* system error returned in errno */
105#define EAI_BADHINTS	12
106#define EAI_PROTOCOL	13
107#define EAI_OVERFLOW	14
108#define EAI_INSECUREDATA 15
109#define EAI_MAX		16
110
111/*
112 * Flag values for getaddrinfo()
113 */
114#undef	AI_PASSIVE
115#undef	AI_CANONNAME
116#undef	AI_NUMERICHOST
117
118#define	AI_PASSIVE	0x00000001
119#define	AI_CANONNAME	0x00000002
120#define AI_NUMERICHOST	0x00000004
121
122/*
123 * Flag values for getipnodebyname()
124 */
125#undef AI_V4MAPPED
126#undef AI_ALL
127#undef AI_ADDRCONFIG
128#undef AI_DEFAULT
129
130#define AI_V4MAPPED	0x00000008
131#define AI_ALL		0x00000010
132#define AI_ADDRCONFIG	0x00000020
133#define AI_DEFAULT	(AI_V4MAPPED|AI_ADDRCONFIG)
134
135/*
136 * Constants for lwres_getnameinfo()
137 */
138#undef	NI_MAXHOST
139#undef	NI_MAXSERV
140
141#define	NI_MAXHOST	1025
142#define	NI_MAXSERV	32
143
144/*
145 * Flag values for lwres_getnameinfo()
146 */
147#undef	NI_NOFQDN
148#undef	NI_NUMERICHOST
149#undef	NI_NAMEREQD
150#undef	NI_NUMERICSERV
151#undef	NI_DGRAM
152#undef	NI_NUMERICSCOPE
153
154#define	NI_NOFQDN	0x00000001
155#define	NI_NUMERICHOST	0x00000002
156#define	NI_NAMEREQD	0x00000004
157#define	NI_NUMERICSERV	0x00000008
158#define	NI_DGRAM	0x00000010
159
160/*
161 * Tell Emacs to use C mode on this file.
162 * Local variables:
163 * mode: c
164 * End:
165 */
166
167#endif /* IRS_NETDB_H */