254 lines
8.5 KiB
C
254 lines
8.5 KiB
C
/*
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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) 1982, 1986, 1990, 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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* @(#)in.h 8.3 (Berkeley) 1/3/94
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*/
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/*
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* Compatability shims with the rfc2553 API to simplify ntp.
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*/
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#ifndef NTP_RFC2553_H
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#define NTP_RFC2553_H
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#include <netdb.h>
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#include <isc/net.h>
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#include "ntp_types.h"
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#include "ntp_malloc.h"
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struct addrinfo *copy_addrinfo_impl(const struct addrinfo *
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#ifdef EREALLOC_CALLSITE /* from ntp_malloc.h */
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,
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const char *, int
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#endif
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);
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struct addrinfo *copy_addrinfo_list_impl(const struct addrinfo *
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#ifdef EREALLOC_CALLSITE /* from ntp_malloc.h */
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,
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const char *, int
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#endif
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);
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#ifdef EREALLOC_CALLSITE
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# define copy_addrinfo(l) \
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copy_addrinfo_impl((l), __FILE__, __LINE__)
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# define copy_addrinfo_list(l) \
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copy_addrinfo_list_impl((l), __FILE__, __LINE__)
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#else
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# define copy_addrinfo(l) copy_addrinfo_impl(l)
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# define copy_addrinfo_list(l) copy_addrinfo_list_impl(l)
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#endif
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/*
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* If various macros are not defined we need to define them
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*/
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#ifndef AF_INET6
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# define AF_INET6 AF_MAX
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# define PF_INET6 AF_INET6
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#endif
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#if !defined(_SS_MAXSIZE) && !defined(_SS_ALIGNSIZE)
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# define _SS_MAXSIZE 128
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# define _SS_ALIGNSIZE (sizeof(ntp_uint64_t))
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# ifdef ISC_PLATFORM_HAVESALEN
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# define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) - sizeof(ntp_u_int8_t))
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# define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) - sizeof(ntp_u_int8_t) - \
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_SS_PAD1SIZE - _SS_ALIGNSIZE)
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# else
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# define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short))
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# define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(short) - \
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_SS_PAD1SIZE - _SS_ALIGNSIZE)
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# endif /* ISC_PLATFORM_HAVESALEN */
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#endif
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#ifndef INET6_ADDRSTRLEN
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# define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */
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#endif
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/*
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* If we don't have the sockaddr_storage structure
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* we need to define it
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*/
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#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
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struct sockaddr_storage {
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#ifdef ISC_PLATFORM_HAVESALEN
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ntp_u_int8_t ss_len; /* address length */
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ntp_u_int8_t ss_family; /* address family */
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#else
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short ss_family; /* address family */
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#endif
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char __ss_pad1[_SS_PAD1SIZE];
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ntp_uint64_t __ss_align; /* force desired structure storage alignment */
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char __ss_pad2[_SS_PAD2SIZE];
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};
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#endif
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/*
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* Finally if the platform doesn't support IPv6 we need some
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* additional definitions
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*/
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/*
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* Flag values for getaddrinfo()
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*/
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#ifndef AI_PASSIVE
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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 \
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(AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_ADDRCONFIG)
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#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
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#endif /* !AI_PASSIVE */
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#ifndef AI_NUMERICHOST /* such as AIX 4.3 */
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# define Z_AI_NUMERICHOST 0
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#else
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# define Z_AI_NUMERICHOST AI_NUMERICHOST
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#endif
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#ifndef AI_NUMERICSERV /* not in RFC 2553 */
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# define Z_AI_NUMERICSERV 0
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#else
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# define Z_AI_NUMERICSERV AI_NUMERICSERV
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#endif
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#ifndef ISC_PLATFORM_HAVEIPV6
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#ifdef SYS_WINNT
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# define in6_addr in_addr6
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#endif
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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 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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int getaddrinfo (const char *, const char *,
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const struct addrinfo *, struct addrinfo **);
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int getnameinfo (const struct sockaddr *, u_int, char *,
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size_t, char *, size_t, int);
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void freeaddrinfo (struct addrinfo *);
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char *gai_strerror (int);
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/*
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* Constants for getnameinfo()
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*/
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#ifndef NI_MAXHOST
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#define NI_MAXHOST 1025
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#define NI_MAXSERV 32
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#endif
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/*
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* Flag values for getnameinfo()
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*/
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#ifndef NI_NUMERICHOST
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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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#define NI_WITHSCOPEID 0x00000020
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#endif
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#endif /* !ISC_PLATFORM_HAVEIPV6 */
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/*
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* Set up some macros to look for IPv6 and IPv6 multicast
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*/
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#if defined(ISC_PLATFORM_HAVEIPV6) && defined(WANT_IPV6)
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# define INCLUDE_IPV6_SUPPORT
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# if defined(IPV6_JOIN_GROUP) && defined(IPV6_LEAVE_GROUP)
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# define INCLUDE_IPV6_MULTICAST_SUPPORT
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# endif /* IPV6 Multicast Support */
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#endif /* IPv6 Support */
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#endif /* !NTP_RFC2553_H */
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