ntp_rfc2553.h revision 267654
1279264Sdelphij/* 296593Smarkm * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 396593Smarkm * All rights reserved. 4142429Snectar * 596593Smarkm * Redistribution and use in source and binary forms, with or without 696593Smarkm * modification, are permitted provided that the following conditions 796593Smarkm * are met: 896593Smarkm * 1. Redistributions of source code must retain the above copyright 996593Smarkm * notice, this list of conditions and the following disclaimer. 1096593Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1196593Smarkm * notice, this list of conditions and the following disclaimer in the 1296593Smarkm * documentation and/or other materials provided with the distribution. 1396593Smarkm * 3. Neither the name of the project nor the names of its contributors 1496593Smarkm * may be used to endorse or promote products derived from this software 1596593Smarkm * without specific prior written permission. 1696593Smarkm * 1796593Smarkm * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 1896593Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1996593Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20215698Ssimon * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21215698Ssimon * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22215698Ssimon * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23215698Ssimon * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24215698Ssimon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2596593Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2696593Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2796593Smarkm * SUCH DAMAGE. 2896593Smarkm */ 2996593Smarkm 3096593Smarkm/* 3196593Smarkm * Copyright (c) 1982, 1986, 1990, 1993 3296593Smarkm * The Regents of the University of California. All rights reserved. 3396593Smarkm * 3496593Smarkm * Redistribution and use in source and binary forms, with or without 3596593Smarkm * modification, are permitted provided that the following conditions 3696593Smarkm * are met: 3796593Smarkm * 1. Redistributions of source code must retain the above copyright 3896593Smarkm * notice, this list of conditions and the following disclaimer. 3996593Smarkm * 2. Redistributions in binary form must reproduce the above copyright 4096593Smarkm * notice, this list of conditions and the following disclaimer in the 41279264Sdelphij * documentation and/or other materials provided with the distribution. 42279264Sdelphij * 3. All advertising materials mentioning features or use of this software 4396593Smarkm * must display the following acknowledgement: 4496593Smarkm * This product includes software developed by the University of 45215698Ssimon * California, Berkeley and its contributors. 46215698Ssimon * 4. Neither the name of the University nor the names of its contributors 47215698Ssimon * may be used to endorse or promote products derived from this software 48215698Ssimon * without specific prior written permission. 49142429Snectar * 50215698Ssimon * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51142429Snectar * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52142429Snectar * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53279264Sdelphij * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54279264Sdelphij * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55279264Sdelphij * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 5696593Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57279264Sdelphij * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58279264Sdelphij * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59279264Sdelphij * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60279264Sdelphij * SUCH DAMAGE. 61279264Sdelphij * 62279264Sdelphij * @(#)in.h 8.3 (Berkeley) 1/3/94 63215698Ssimon */ 64279264Sdelphij 65279264Sdelphij/* 66279264Sdelphij * Compatability shims with the rfc2553 API to simplify ntp. 67279264Sdelphij */ 68279264Sdelphij#ifndef _NTP_RFC2553_H_ 69215698Ssimon#define _NTP_RFC2553_H_ 70279264Sdelphij 7196593Smarkm/* 7296593Smarkm * Ensure that we include the configuration file before we check 7396593Smarkm * for IPV6 7496593Smarkm */ 7596593Smarkm#include <config.h> 7696593Smarkm 7796593Smarkm#include <netdb.h> 7896593Smarkm 7996593Smarkm#include "ntp_types.h" 8096593Smarkm 8196593Smarkm/* 8296593Smarkm * Don't include any additional IPv6 definitions 8396593Smarkm * We are defining our own here. 8496593Smarkm */ 8596593Smarkm#define ISC_IPV6_H 1 8696593Smarkm 8796593Smarkm /* 8896593Smarkm * If various macros are not defined we need to define them 8996593Smarkm */ 9096593Smarkm 9196593Smarkm#ifndef AF_INET6 9296593Smarkm#define AF_INET6 AF_MAX 9396593Smarkm#define PF_INET6 AF_INET6 9496593Smarkm#endif 9596593Smarkm 9696593Smarkm#if !defined(_SS_MAXSIZE) && !defined(_SS_ALIGNSIZE) 9796593Smarkm 9896593Smarkm#define _SS_MAXSIZE 128 9996593Smarkm#define _SS_ALIGNSIZE (sizeof(ntp_uint64_t)) 10096593Smarkm#ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR 10196593Smarkm#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) - sizeof(ntp_u_int8_t)) 10296593Smarkm#define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) - sizeof(ntp_u_int8_t) - \ 10396593Smarkm _SS_PAD1SIZE - _SS_ALIGNSIZE) 10496593Smarkm#else 10596593Smarkm#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short)) 10696593Smarkm#define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(short) - \ 10796593Smarkm _SS_PAD1SIZE - _SS_ALIGNSIZE) 10896593Smarkm#endif /* HAVE_SA_LEN_IN_STRUCT_SOCKADDR */ 10996593Smarkm#endif 11096593Smarkm 11196593Smarkm/* 11296593Smarkm * If we don't have the sockaddr_storage structure 11396593Smarkm * we need to define it 11496593Smarkm */ 11596593Smarkm 11696593Smarkm#ifndef HAVE_STRUCT_SOCKADDR_STORAGE 11796593Smarkmstruct sockaddr_storage { 11896593Smarkm#ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR 11996593Smarkm ntp_u_int8_t ss_len; /* address length */ 12096593Smarkm ntp_u_int8_t ss_family; /* address family */ 12196593Smarkm#else 12296593Smarkm short ss_family; /* address family */ 12396593Smarkm#endif 12496593Smarkm char __ss_pad1[_SS_PAD1SIZE]; 12596593Smarkm ntp_uint64_t __ss_align; /* force desired structure storage alignment */ 12696593Smarkm char __ss_pad2[_SS_PAD2SIZE]; 12796593Smarkm}; 12896593Smarkm#endif 12996593Smarkm 13096593Smarkm/* 13196593Smarkm * Finally if the platform doesn't support IPv6 we need some 13296593Smarkm * additional definitions 133142429Snectar */ 13496593Smarkm 135100946Snectar/* 136279264Sdelphij * Flag values for getaddrinfo() 137215698Ssimon */ 138215698Ssimon#ifndef AI_NUMERICHOST 139215698Ssimon#define AI_PASSIVE 0x00000001 /* get address to use bind() */ 140215698Ssimon#define AI_CANONNAME 0x00000002 /* fill ai_canonname */ 14196593Smarkm#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */ 14296593Smarkm/* valid flags for addrinfo */ 14396593Smarkm#define AI_MASK \ 14496593Smarkm (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_ADDRCONFIG) 14596593Smarkm 14696593Smarkm#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */ 14796593Smarkm#endif 14896593Smarkm 149215698Ssimon#ifndef ISC_PLATFORM_HAVEIPV6 15096593Smarkm/* 15196593Smarkm * Definition of some useful macros to handle IP6 addresses 15296593Smarkm */ 153215698Ssimon#ifdef ISC_PLATFORM_NEEDIN6ADDRANY 15496593Smarkm#ifdef SYS_WINNT 155215698Ssimon#define IN6ADDR_ANY_INIT {{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }} 15696593Smarkm#else 15796593Smarkm#define IN6ADDR_ANY_INIT \ 158215698Ssimon {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 15996593Smarkm 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 16096593Smarkm#endif 16196593Smarkm#endif 16296593Smarkm 16396593Smarkm 16496593Smarkm/* 165142429Snectar * IPv6 address 16696593Smarkm */ 16796593Smarkm#ifdef SYS_WINNT 16896593Smarkm#define in6_addr in_addr6 16996593Smarkm#else 17096593Smarkm 17196593Smarkmstruct in6_addr { 17296593Smarkm union { 17396593Smarkm ntp_u_int8_t __u6_addr8[16]; 17496593Smarkm ntp_u_int16_t __u6_addr16[8]; 17596593Smarkm ntp_u_int32_t __u6_addr32[4]; 17696593Smarkm } __u6_addr; /* 128-bit IP6 address */ 17796593Smarkm}; 17896593Smarkm 17996593Smarkm#define s6_addr __u6_addr.__u6_addr8 18096593Smarkm#endif 18196593Smarkm 18296593Smarkm#if defined(ISC_PLATFORM_HAVEIPV6) && defined(ISC_PLATFORM_NEEDIN6ADDRANY) 18396593Smarkmextern const struct in6_addr in6addr_any; 18496593Smarkm#endif 18596593Smarkm 18696593Smarkm#define SIN6_LEN 18796593Smarkm#ifndef HAVE_SOCKADDR_IN6 18896593Smarkmstruct sockaddr_in6 { 18996593Smarkm#ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR 19096593Smarkm ntp_u_int8_t sin6_len; /* length of this struct(sa_family_t)*/ 19196593Smarkm ntp_u_int8_t sin6_family; /* AF_INET6 (sa_family_t) */ 19296593Smarkm#else 19396593Smarkm short sin6_family; /* AF_INET6 (sa_family_t) */ 19496593Smarkm#endif 19596593Smarkm ntp_u_int16_t sin6_port; /* Transport layer port # (in_port_t)*/ 196142429Snectar ntp_u_int32_t sin6_flowinfo; /* IP6 flow information */ 19796593Smarkm struct in6_addr sin6_addr; /* IP6 address */ 19896593Smarkm ntp_u_int32_t sin6_scope_id; /* scope zone index */ 19996593Smarkm}; 20096593Smarkm#endif 20196593Smarkm 20296593Smarkm/* 20396593Smarkm * Unspecified 20496593Smarkm */ 20596593Smarkm#ifndef IN6_IS_ADDR_UNSPECIFIED 206142429Snectar#define IN6_IS_ADDR_UNSPECIFIED(a) \ 20796593Smarkm ((*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 20896593Smarkm (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 209142429Snectar (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ 210142429Snectar (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) 21196593Smarkm#endif 21296593Smarkm/* 21396593Smarkm * Multicast 21496593Smarkm */ 21596593Smarkm#ifndef IN6_IS_ADDR_MULTICAST 216#define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) 217#endif 218/* 219 * Unicast link / site local. 220 */ 221#ifndef IN6_IS_ADDR_LINKLOCAL 222#define IN6_IS_ADDR_LINKLOCAL(a) (\ 223(*((u_long *)((a)->s6_addr) ) == 0xfe) && \ 224((*((u_long *)((a)->s6_addr) + 1) & 0xc0) == 0x80)) 225#endif 226 227#ifndef IN6_IS_ADDR_SITELOCAL 228#define IN6_IS_ADDR_SITELOCAL(a) (\ 229(*((u_long *)((a)->s6_addr) ) == 0xfe) && \ 230((*((u_long *)((a)->s6_addr) + 1) & 0xc0) == 0xc0)) 231#endif 232 233struct addrinfo { 234 int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */ 235 int ai_family; /* PF_xxx */ 236 int ai_socktype; /* SOCK_xxx */ 237 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 238 size_t ai_addrlen; /* length of ai_addr */ 239 char *ai_canonname; /* canonical name for hostname */ 240 struct sockaddr *ai_addr; /* binary address */ 241 struct addrinfo *ai_next; /* next structure in linked list */ 242}; 243 244/* 245 * Error return codes from getaddrinfo() 246 */ 247#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */ 248#define EAI_AGAIN 2 /* temporary failure in name resolution */ 249#define EAI_BADFLAGS 3 /* invalid value for ai_flags */ 250#define EAI_FAIL 4 /* non-recoverable failure in name resolution */ 251#define EAI_FAMILY 5 /* ai_family not supported */ 252#define EAI_MEMORY 6 /* memory allocation failure */ 253#define EAI_NODATA 7 /* no address associated with hostname */ 254#define EAI_NONAME 8 /* hostname nor servname provided, or not known */ 255#define EAI_SERVICE 9 /* servname not supported for ai_socktype */ 256#define EAI_SOCKTYPE 10 /* ai_socktype not supported */ 257#define EAI_SYSTEM 11 /* system error returned in errno */ 258#define EAI_BADHINTS 12 259#define EAI_PROTOCOL 13 260#define EAI_MAX 14 261 262 263int getaddrinfo P((const char *, const char *, 264 const struct addrinfo *, struct addrinfo **)); 265int getnameinfo P((const struct sockaddr *, u_int, char *, 266 size_t, char *, size_t, int)); 267void freeaddrinfo P((struct addrinfo *)); 268char *gai_strerror P((int)); 269 270/* 271 * Constants for getnameinfo() 272 */ 273#ifndef NI_MAXHOST 274#define NI_MAXHOST 1025 275#define NI_MAXSERV 32 276#endif 277 278/* 279 * Flag values for getnameinfo() 280 */ 281#ifndef NI_NUMERICHOST 282#define NI_NOFQDN 0x00000001 283#define NI_NUMERICHOST 0x00000002 284#define NI_NAMEREQD 0x00000004 285#define NI_NUMERICSERV 0x00000008 286#define NI_DGRAM 0x00000010 287#define NI_WITHSCOPEID 0x00000020 288#endif 289 290#endif /* ISC_PLATFORM_HAVEIPV6 */ 291 292#endif /* !_NTP_RFC2553_H_ */ 293