/contrib/ntp/include/ntp_rfc2553.h
https://bitbucket.org/freebsd/freebsd-head/ · C++ Header · 292 lines · 148 code · 32 blank · 112 comment · 13 complexity · 461e4cdef8486c0da5ae2b9632200002 MD5 · raw file
- /*
- * 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_ */