2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * Copyright (c) 1982, 1986, 1990, 1993
32 * The Regents of the University of California. All rights reserved.
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
37 * 1. Redistributions of source code must retain the above copyright
38 * notice, this list of conditions and the following disclaimer.
39 * 2. Redistributions in binary form must reproduce the above copyright
40 * notice, this list of conditions and the following disclaimer in the
41 * documentation and/or other materials provided with the distribution.
42 * 3. All advertising materials mentioning features or use of this software
43 * must display the following acknowledgement:
44 * This product includes software developed by the University of
45 * California, Berkeley and its contributors.
46 * 4. Neither the name of the University nor the names of its contributors
47 * may be used to endorse or promote products derived from this software
48 * without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62 * @(#)in.h 8.3 (Berkeley) 1/3/94
66 * Compatability shims with the rfc2553 API to simplify ntp.
68 #ifndef _NTP_RFC2553_H_
69 #define _NTP_RFC2553_H_
72 * Ensure that we include the configuration file before we check
79 #include "ntp_types.h"
82 * Don't include any additional IPv6 definitions
83 * We are defining our own here.
88 * If various macros are not defined we need to define them
92 #define AF_INET6 AF_MAX
93 #define PF_INET6 AF_INET6
96 #if !defined(_SS_MAXSIZE) && !defined(_SS_ALIGNSIZE)
98 #define _SS_MAXSIZE 128
99 #define _SS_ALIGNSIZE (sizeof(ntp_uint64_t))
100 #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
101 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) - sizeof(ntp_u_int8_t))
102 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) - sizeof(ntp_u_int8_t) - \
103 _SS_PAD1SIZE - _SS_ALIGNSIZE)
105 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short))
106 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(short) - \
107 _SS_PAD1SIZE - _SS_ALIGNSIZE)
108 #endif /* HAVE_SA_LEN_IN_STRUCT_SOCKADDR */
112 * If we don't have the sockaddr_storage structure
113 * we need to define it
116 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
117 struct sockaddr_storage {
118 #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
119 ntp_u_int8_t ss_len; /* address length */
120 ntp_u_int8_t ss_family; /* address family */
122 short ss_family; /* address family */
124 char __ss_pad1[_SS_PAD1SIZE];
125 ntp_uint64_t __ss_align; /* force desired structure storage alignment */
126 char __ss_pad2[_SS_PAD2SIZE];
131 * Finally if the platform doesn't support IPv6 we need some
132 * additional definitions
136 * Flag values for getaddrinfo()
138 #ifndef AI_NUMERICHOST
139 #define AI_PASSIVE 0x00000001 /* get address to use bind() */
140 #define AI_CANONNAME 0x00000002 /* fill ai_canonname */
141 #define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
142 /* valid flags for addrinfo */
144 (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_ADDRCONFIG)
146 #define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
149 #ifndef ISC_PLATFORM_HAVEIPV6
151 * Definition of some useful macros to handle IP6 addresses
153 #ifdef ISC_PLATFORM_NEEDIN6ADDRANY
155 #define IN6ADDR_ANY_INIT {{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }}
157 #define IN6ADDR_ANY_INIT \
158 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
159 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
168 #define in6_addr in_addr6
173 ntp_u_int8_t __u6_addr8[16];
174 ntp_u_int16_t __u6_addr16[8];
175 ntp_u_int32_t __u6_addr32[4];
176 } __u6_addr; /* 128-bit IP6 address */
179 #define s6_addr __u6_addr.__u6_addr8
182 #if defined(ISC_PLATFORM_HAVEIPV6) && defined(ISC_PLATFORM_NEEDIN6ADDRANY)
183 extern const struct in6_addr in6addr_any;
187 #ifndef HAVE_SOCKADDR_IN6
188 struct sockaddr_in6 {
189 #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
190 ntp_u_int8_t sin6_len; /* length of this struct(sa_family_t)*/
191 ntp_u_int8_t sin6_family; /* AF_INET6 (sa_family_t) */
193 short sin6_family; /* AF_INET6 (sa_family_t) */
195 ntp_u_int16_t sin6_port; /* Transport layer port # (in_port_t)*/
196 ntp_u_int32_t sin6_flowinfo; /* IP6 flow information */
197 struct in6_addr sin6_addr; /* IP6 address */
198 ntp_u_int32_t sin6_scope_id; /* scope zone index */
205 #ifndef IN6_IS_ADDR_UNSPECIFIED
206 #define IN6_IS_ADDR_UNSPECIFIED(a) \
207 ((*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
208 (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
209 (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \
210 (*(const ntp_u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
215 #ifndef IN6_IS_ADDR_MULTICAST
216 #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff)
219 * Unicast link / site local.
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))
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))
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 */
245 * Error return codes from getaddrinfo()
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
263 int getaddrinfo P((const char *, const char *,
264 const struct addrinfo *, struct addrinfo **));
265 int getnameinfo P((const struct sockaddr *, u_int, char *,
266 size_t, char *, size_t, int));
267 void freeaddrinfo P((struct addrinfo *));
268 char *gai_strerror P((int));
271 * Constants for getnameinfo()
274 #define NI_MAXHOST 1025
275 #define NI_MAXSERV 32
279 * Flag values for getnameinfo()
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
290 #endif /* ISC_PLATFORM_HAVEIPV6 */
292 #endif /* !_NTP_RFC2553_H_ */