/*

 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * See the COPYRIGHT file distributed with this work for additional

 * information regarding copyright ownership.

 */

#ifndef NETDB_H

#define NETDB_H 1

#include <stddef.h>

#include <winsock2.h>

/*

 * Define if <netdb.h> does not declare struct addrinfo.

 */

#if _MSC_VER < 1600

struct addrinfo {

	int		ai_flags;      /* AI_PASSIVE, AI_CANONNAME */

	int		ai_family;     /* PF_xxx */

	int		ai_socktype;   /* SOCK_xxx */

	int		ai_protocol;   /* 0 or IPPROTO_xxx for IPv4 and IPv6 */

	size_t		ai_addrlen;    /* Length of ai_addr */

	char		*ai_canonname; /* Canonical name for hostname */

	struct sockaddr	*ai_addr;      /* Binary address */

	struct addrinfo	*ai_next;      /* Next structure in linked list */

};

#endif

/*

 * Undefine all \#defines we are interested in as <netdb.h> may or may not have

 * defined them.

 */

/*

 * Error return codes from gethostbyname() and gethostbyaddr()

 * (left in extern int h_errno).

 */

#undef	NETDB_INTERNAL

#undef	NETDB_SUCCESS

#undef	HOST_NOT_FOUND

#undef	TRY_AGAIN

#undef	NO_RECOVERY

#undef	NO_DATA

#undef	NO_ADDRESS

#define	NETDB_INTERNAL	-1	/* see errno */

#define	NETDB_SUCCESS	0	/* no problem */

#define	HOST_NOT_FOUND	1 /* Authoritative Answer Host not found */

#define	TRY_AGAIN	2 /* Non-Authoritative Host not found, or SERVERFAIL */

#define	NO_RECOVERY	3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */

#define	NO_DATA		4 /* Valid name, no data record of requested type */

#define	NO_ADDRESS	NO_DATA		/* no address, look for MX record */

/*

 * Error return codes from getaddrinfo()

 */

#undef	EAI_ADDRFAMILY

#undef	EAI_AGAIN

#undef	EAI_BADFLAGS

#undef	EAI_FAIL

#undef	EAI_FAMILY

#undef	EAI_MEMORY

#undef	EAI_NODATA

#undef	EAI_NONAME

#undef	EAI_SERVICE

#undef	EAI_SOCKTYPE

#undef	EAI_SYSTEM

#undef	EAI_BADHINTS

#undef	EAI_PROTOCOL

#undef	EAI_MAX

#define	EAI_ADDRFAMILY	 1	/* address family for hostname not supported */

#define	EAI_AGAIN	 2	/* temporary failure in name resolution */

#define	EAI_BADFLAGS	 3	/* invalid value for ai_flags */

#define	EAI_FAIL	 4	/* non-recoverable failure in name resolution */

#define	EAI_FAMILY	 5	/* ai_family not supported */

#define	EAI_MEMORY	 6	/* memory allocation failure */

#define	EAI_NODATA	 7	/* no address associated with hostname */

#define	EAI_NONAME	 8	/* hostname nor servname provided, or not known */

#define	EAI_SERVICE	 9	/* servname not supported for ai_socktype */

#define	EAI_SOCKTYPE	10	/* ai_socktype not supported */

#define	EAI_SYSTEM	11	/* system error returned in errno */

#define EAI_BADHINTS	12

#define EAI_PROTOCOL	13

#define EAI_MAX		14

/*

 * Flag values for getaddrinfo()

 */

#undef	AI_PASSIVE

#undef	AI_CANONNAME

#undef	AI_NUMERICHOST

#define	AI_PASSIVE	0x00000001

#define	AI_CANONNAME	0x00000002

#define AI_NUMERICHOST	0x00000004

/*

 * Flag values for getipnodebyname()

 */

#undef AI_V4MAPPED

#undef AI_ALL

#undef AI_ADDRCONFIG

#undef AI_DEFAULT

#define AI_V4MAPPED	0x00000008

#define AI_ALL		0x00000010

#define AI_ADDRCONFIG	0x00000020

#define AI_DEFAULT	(AI_V4MAPPED|AI_ADDRCONFIG)

/*

 * Constants for getnameinfo()

 */

#undef	NI_MAXHOST

#undef	NI_MAXSERV

#define	NI_MAXHOST	1025

#define	NI_MAXSERV	32

/*

 * Flag values for getnameinfo()

 */

#undef	NI_NOFQDN

#undef	NI_NUMERICHOST

#undef	NI_NAMEREQD

#undef	NI_NUMERICSERV

#undef	NI_DGRAM

#undef	NI_NUMERICSCOPE

#define	NI_NOFQDN	0x00000001

#define	NI_NUMERICHOST	0x00000002

#define	NI_NAMEREQD	0x00000004

#define	NI_NUMERICSERV	0x00000008

#define	NI_DGRAM	0x00000010

#define	NI_NUMERICSCOPE	0x00000020	/*2553bis-00*/

/*

 * Structures for getrrsetbyname()

 */

struct rdatainfo {

	unsigned int		rdi_length;

	unsigned char		*rdi_data;

};

struct rrsetinfo {

	unsigned int		rri_flags;

	int			rri_rdclass;

	int			rri_rdtype;

	unsigned int		rri_ttl;

	unsigned int		rri_nrdatas;

	unsigned int		rri_nsigs;

	char			*rri_name;

	struct rdatainfo	*rri_rdatas;

	struct rdatainfo	*rri_sigs;

};

/*

 * Flags for getrrsetbyname()

 */

#define RRSET_VALIDATED		0x00000001

	/* Set was dnssec validated */

/*

 * Return codes for getrrsetbyname()

 */

#define ERRSET_SUCCESS		0

#define ERRSET_NOMEMORY		1

#define ERRSET_FAIL		2

#define ERRSET_INVAL		3

#endif /* NETDB_H */