/* * 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 "ntp_types.h" /* * Don't include any additional IPv6 definitions * We are defining our own here. */ #define ISC_IPV6_H 1 /* * 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 HAVE_SA_LEN_IN_STRUCT_SOCKADDR #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 /* HAVE_SA_LEN_IN_STRUCT_SOCKADDR */ #endif /* * If we don't have the sockaddr_storage structure * we need to define it */ #ifndef HAVE_STRUCT_SOCKADDR_STORAGE struct sockaddr_storage { #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR 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_NUMERICHOST #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 #ifndef ISC_PLATFORM_HAVEIPV6 /* * Definition of some useful macros to handle IP6 addresses */ #ifdef ISC_PLATFORM_NEEDIN6ADDRANY #ifdef SYS_WINNT #define IN6ADDR_ANY_INIT {{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }} #else #define IN6ADDR_ANY_INIT \ {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} #endif #endif /* * IPv6 address */ #ifdef SYS_WINNT #define in6_addr in_addr6 #else struct in6_addr { union { ntp_u_int8_t __u6_addr8[16]; ntp_u_int16_t __u6_addr16[8]; ntp_u_int32_t __u6_addr32[4]; } __u6_addr; /* 128-bit IP6 address */ }; #define s6_addr __u6_addr.__u6_addr8 #endif #if defined(ISC_PLATFORM_HAVEIPV6) && defined(ISC_PLATFORM_NEEDIN6ADDRANY) extern const struct in6_addr in6addr_any; #endif #define SIN6_LEN #ifndef HAVE_SOCKADDR_IN6 struct sockaddr_in6 { #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR ntp_u_int8_t sin6_len; /* length of this struct(sa_family_t)*/ ntp_u_int8_t sin6_family; /* AF_INET6 (sa_family_t) */ #else short sin6_family; /* AF_INET6 (sa_family_t) */ #endif ntp_u_int16_t sin6_port; /* Transport layer port # (in_port_t)*/ ntp_u_int32_t sin6_flowinfo; /* IP6 flow information */ struct in6_addr sin6_addr; /* IP6 address */ ntp_u_int32_t sin6_scope_id; /* scope zone index */ }; #endif /* * Unspecified */ #ifndef IN6_IS_ADDR_UNSPECIFIED #define IN6_IS_ADDR_UNSPECIFIED(a) \ ((*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) #endif /* * Multicast */ #ifndef IN6_IS_ADDR_MULTICAST #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) #endif /* * Unicast link / site local. */ #ifndef IN6_IS_ADDR_LINKLOCAL #define IN6_IS_ADDR_LINKLOCAL(a) (\ (*((u_long *)((a)->s6_addr) ) == 0xfe) && \ ((*((u_long *)((a)->s6_addr) + 1) & 0xc0) == 0x80)) #endif #ifndef IN6_IS_ADDR_SITELOCAL #define IN6_IS_ADDR_SITELOCAL(a) (\ (*((u_long *)((a)->s6_addr) ) == 0xfe) && \ ((*((u_long *)((a)->s6_addr) + 1) & 0xc0) == 0xc0)) #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 P((const char *, const char *, const struct addrinfo *, struct addrinfo **)); int getnameinfo P((const struct sockaddr *, u_int, char *, size_t, char *, size_t, int)); void freeaddrinfo P((struct addrinfo *)); char *gai_strerror P((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 */ #endif /* !_NTP_RFC2553_H_ */