/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)in.h 8.3 (Berkeley) 1/3/94
*/
/*
* Compatability shims with the rfc2553 API to simplify ntp.
*/
#ifndef NTP_RFC2553_H
#define NTP_RFC2553_H
/*
* Ensure that we include the configuration file before we check
* for IPV6
*/
#include <config.h>
#include <netdb.h>
#include <isc/net.h>
#include "ntp_types.h"
/*
* If various macros are not defined we need to define them
*/
#ifndef AF_INET6
# define AF_INET6 AF_MAX
# define PF_INET6 AF_INET6
#endif
#if !defined(_SS_MAXSIZE) && !defined(_SS_ALIGNSIZE)
# define _SS_MAXSIZE 128
# define _SS_ALIGNSIZE (sizeof(ntp_uint64_t))
# ifdef ISC_PLATFORM_HAVESALEN
# define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) - sizeof(ntp_u_int8_t))
# define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) - sizeof(ntp_u_int8_t) - \
_SS_PAD1SIZE - _SS_ALIGNSIZE)
# else
# define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short))
# define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(short) - \
_SS_PAD1SIZE - _SS_ALIGNSIZE)
# endif /* ISC_PLATFORM_HAVESALEN */
#endif
#ifndef INET6_ADDRSTRLEN
# define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */
#endif
/*
* If we don't have the sockaddr_storage structure
* we need to define it
*/
#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
struct sockaddr_storage {
#ifdef ISC_PLATFORM_HAVESALEN
ntp_u_int8_t ss_len; /* address length */
ntp_u_int8_t ss_family; /* address family */
#else
short ss_family; /* address family */
#endif
char __ss_pad1[_SS_PAD1SIZE];
ntp_uint64_t __ss_align; /* force desired structure storage alignment */
char __ss_pad2[_SS_PAD2SIZE];
};
#endif
/*
* Finally if the platform doesn't support IPv6 we need some
* additional definitions
*/
/*
* Flag values for getaddrinfo()
*/
#ifndef AI_PASSIVE
#define AI_PASSIVE 0x00000001 /* get address to use bind() */
#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
/* valid flags for addrinfo */
#define AI_MASK \
(AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_ADDRCONFIG)
#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
#endif /* !AI_PASSIVE */
#ifndef AI_NUMERICHOST /* such as AIX 4.3 */
# define Z_AI_NUMERICHOST 0
#else
# define Z_AI_NUMERICHOST AI_NUMERICHOST
#endif
#ifndef AI_NUMERICSERV /* not in RFC 2553 */
# define Z_AI_NUMERICSERV 0
#else
# define Z_AI_NUMERICSERV AI_NUMERICSERV
#endif
#ifndef ISC_PLATFORM_HAVEIPV6
#ifdef SYS_WINNT
# define in6_addr in_addr6
#endif
struct addrinfo {
int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
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 */
};
/*
* Error return codes from getaddrinfo()
*/
#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
int getaddrinfo (const char *, const char *,
const struct addrinfo *, struct addrinfo **);
int getnameinfo (const struct sockaddr *, u_int, char *,
size_t, char *, size_t, int);
void freeaddrinfo (struct addrinfo *);
char *gai_strerror (int);
/*
* Constants for getnameinfo()
*/
#ifndef NI_MAXHOST
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
#endif
/*
* Flag values for getnameinfo()
*/
#ifndef NI_NUMERICHOST
#define NI_NOFQDN 0x00000001
#define NI_NUMERICHOST 0x00000002
#define NI_NAMEREQD 0x00000004
#define NI_NUMERICSERV 0x00000008
#define NI_DGRAM 0x00000010
#define NI_WITHSCOPEID 0x00000020
#endif
#endif /* !ISC_PLATFORM_HAVEIPV6 */
/*
* Set up some macros to look for IPv6 and IPv6 multicast
*/
#if defined(ISC_PLATFORM_HAVEIPV6) && defined(WANT_IPV6)
# define INCLUDE_IPV6_SUPPORT
# if defined(IPV6_JOIN_GROUP) && defined(IPV6_LEAVE_GROUP)
# define INCLUDE_IPV6_MULTICAST_SUPPORT
# endif /* IPV6 Multicast Support */
#endif /* IPv6 Support */
#endif /* !NTP_RFC2553_H */
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