/* * 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 #include #include #include "ntp_types.h" #include "ntp_malloc.h" struct addrinfo *copy_addrinfo_impl(const struct addrinfo * #ifdef EREALLOC_CALLSITE /* from ntp_malloc.h */ , const char *, int #endif ); struct addrinfo *copy_addrinfo_list_impl(const struct addrinfo * #ifdef EREALLOC_CALLSITE /* from ntp_malloc.h */ , const char *, int #endif ); #ifdef EREALLOC_CALLSITE # define copy_addrinfo(l) \ copy_addrinfo_impl((l), __FILE__, __LINE__) # define copy_addrinfo_list(l) \ copy_addrinfo_list_impl((l), __FILE__, __LINE__) #else # define copy_addrinfo(l) copy_addrinfo_impl(l) # define copy_addrinfo_list(l) copy_addrinfo_list_impl(l) #endif /* * 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 */