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_
71 #if defined(_SS_MAXSIZE) || defined(_SS_SIZE)
75 #include <sys/types.h>
76 #include "ntp_types.h"
79 #define AF_INET6 AF_MAX
80 #define PF_INET6 AF_INET6
83 #ifndef HAVE_TYPE_U_INT8_T
84 typedef u_char u_int8_t;
85 typedef u_short u_int16_t;
86 typedef u_int32 u_int32_t;
87 #endif /* HAVE_TYPE_U_INT8_T */
89 #ifndef HAVE_TYPE_U_INT64_T
90 typedef struct u_int64_t { u_int32 val[2]; } u_int64_t;
91 #endif /* HAVE_TYPE_U_INT64_T */
97 #define in6_addr in_addr6
100 * Don't include any additional IPv6 definitions
101 * We are defining our own here.
107 u_int8_t __u6_addr8[16];
108 u_int16_t __u6_addr16[8];
109 u_int32_t __u6_addr32[4];
110 } __u6_addr; /* 128-bit IP6 address */
113 #define s6_addr __u6_addr.__u6_addr8
117 * Definition of some useful macros to handle IP6 addresses
120 #define IN6ADDR_ANY_INIT {{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }}
122 #define IN6ADDR_ANY_INIT \
123 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
124 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
127 extern const struct in6_addr in6addr_any;
130 #ifndef HAVE_SOCKADDR_IN6
131 struct sockaddr_in6 {
132 #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
133 u_int8_t sin6_len; /* length of this struct(sa_family_t)*/
134 u_int8_t sin6_family; /* AF_INET6 (sa_family_t) */
136 short sin6_family; /* AF_INET6 (sa_family_t) */
138 u_int16_t sin6_port; /* Transport layer port # (in_port_t)*/
139 u_int32_t sin6_flowinfo; /* IP6 flow information */
140 struct in6_addr sin6_addr; /* IP6 address */
141 u_int32_t sin6_scope_id; /* scope zone index */
148 #ifndef IN6_IS_ADDR_UNSPECIFIED
149 #define IN6_IS_ADDR_UNSPECIFIED(a) \
150 ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
151 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
152 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \
153 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
158 #ifndef IN6_IS_ADDR_MULTICAST
159 #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff)
163 * RFC 2553: protocol-independent placeholder for socket addresses
165 #define _SS_MAXSIZE 128
166 #define _SS_ALIGNSIZE (sizeof(u_int64_t))
167 #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
168 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) - sizeof(u_int8_t))
169 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) - sizeof(u_int8_t) - \
170 _SS_PAD1SIZE - _SS_ALIGNSIZE)
172 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short))
173 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(short) - \
174 _SS_PAD1SIZE - _SS_ALIGNSIZE)
175 #endif /* HAVE_SA_LEN_IN_STRUCT_SOCKADDR */
177 struct sockaddr_storage {
178 #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
179 u_int8_t ss_len; /* address length */
180 u_int8_t ss_family; /* address family */
182 short ss_family; /* address family */
184 char __ss_pad1[_SS_PAD1SIZE];
185 u_int64_t __ss_align; /* force desired structure storage alignment */
186 char __ss_pad2[_SS_PAD2SIZE];
190 int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
191 int ai_family; /* PF_xxx */
192 int ai_socktype; /* SOCK_xxx */
193 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
194 size_t ai_addrlen; /* length of ai_addr */
195 char *ai_canonname; /* canonical name for hostname */
196 struct sockaddr *ai_addr; /* binary address */
197 struct addrinfo *ai_next; /* next structure in linked list */
201 * Error return codes from getaddrinfo()
203 #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
204 #define EAI_AGAIN 2 /* temporary failure in name resolution */
205 #define EAI_BADFLAGS 3 /* invalid value for ai_flags */
206 #define EAI_FAIL 4 /* non-recoverable failure in name resolution */
207 #define EAI_FAMILY 5 /* ai_family not supported */
208 #define EAI_MEMORY 6 /* memory allocation failure */
209 #define EAI_NODATA 7 /* no address associated with hostname */
210 #define EAI_NONAME 8 /* hostname nor servname provided, or not known */
211 #define EAI_SERVICE 9 /* servname not supported for ai_socktype */
212 #define EAI_SOCKTYPE 10 /* ai_socktype not supported */
213 #define EAI_SYSTEM 11 /* system error returned in errno */
214 #define EAI_BADHINTS 12
215 #define EAI_PROTOCOL 13
219 * Flag values for getaddrinfo()
221 #define AI_PASSIVE 0x00000001 /* get address to use bind() */
222 #define AI_CANONNAME 0x00000002 /* fill ai_canonname */
223 #define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
224 /* valid flags for addrinfo */
226 (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_ADDRCONFIG)
228 #define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
231 * Constants for getnameinfo()
233 #define NI_MAXHOST 1025
234 #define NI_MAXSERV 32
237 * Flag values for getnameinfo()
239 #define NI_NOFQDN 0x00000001
240 #define NI_NUMERICHOST 0x00000002
241 #define NI_NAMEREQD 0x00000004
242 #define NI_NUMERICSERV 0x00000008
243 #define NI_DGRAM 0x00000010
244 #define NI_WITHSCOPEID 0x00000020
246 int getaddrinfo P((const char *, const char *,
247 const struct addrinfo *, struct addrinfo **));
248 int getnameinfo P((const struct sockaddr *, u_int, char *,
249 size_t, char *, size_t, int));
250 void freeaddrinfo P((struct addrinfo *));
251 char *gai_strerror P((int));
253 #endif /* _SS_MAXSIZE */
254 #endif /* !_NTP_RFC2553_H_ */