Deleted Added
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netdb.h (65532) netdb.h (72510)
1/*-
2 * Copyright (c) 1980, 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * -
34 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
35 *
36 * Permission to use, copy, modify, and distribute this software for any
37 * purpose with or without fee is hereby granted, provided that the above
38 * copyright notice and this permission notice appear in all copies, and that
39 * the name of Digital Equipment Corporation not be used in advertising or
40 * publicity pertaining to distribution of the document or software without
41 * specific, written prior permission.
42 *
43 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
44 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
45 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
46 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
47 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
48 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
49 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
50 * SOFTWARE.
51 * -
52 * --Copyright--
53 */
54
55/*
56 * @(#)netdb.h 8.1 (Berkeley) 6/2/93
57 * From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
1/*-
2 * Copyright (c) 1980, 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * -
34 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
35 *
36 * Permission to use, copy, modify, and distribute this software for any
37 * purpose with or without fee is hereby granted, provided that the above
38 * copyright notice and this permission notice appear in all copies, and that
39 * the name of Digital Equipment Corporation not be used in advertising or
40 * publicity pertaining to distribution of the document or software without
41 * specific, written prior permission.
42 *
43 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
44 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
45 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
46 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
47 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
48 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
49 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
50 * SOFTWARE.
51 * -
52 * --Copyright--
53 */
54
55/*
56 * @(#)netdb.h 8.1 (Berkeley) 6/2/93
57 * From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
58 * $FreeBSD: head/include/netdb.h 65532 2000-09-06 18:16:48Z nectar $
58 * $FreeBSD: head/include/netdb.h 72510 2001-02-15 10:35:55Z ume $
59 */
60
61#ifndef _NETDB_H_
62#define _NETDB_H_
63
59 */
60
61#ifndef _NETDB_H_
62#define _NETDB_H_
63
64#include <machine/ansi.h>
64#include <sys/cdefs.h>
65#include <sys/cdefs.h>
65#include <sys/types.h>
66
66
67#ifdef _BSD_SIZE_T_
68typedef _BSD_SIZE_T_ size_t;
69#undef _BSD_SIZE_T_
70#endif
71
67#ifndef _PATH_HEQUIV
68# define _PATH_HEQUIV "/etc/hosts.equiv"
69#endif
70#define _PATH_HOSTS "/etc/hosts"
71#define _PATH_NETWORKS "/etc/networks"
72#define _PATH_PROTOCOLS "/etc/protocols"
73#define _PATH_SERVICES "/etc/services"
74
75extern int h_errno;
76
77/*
78 * Structures returned by network data base library. All addresses are
79 * supplied in host order, and returned in network order (suitable for
80 * use in system calls).
81 */
82struct hostent {
83 char *h_name; /* official name of host */
84 char **h_aliases; /* alias list */
85 int h_addrtype; /* host address type */
86 int h_length; /* length of address */
87 char **h_addr_list; /* list of addresses from name server */
88#define h_addr h_addr_list[0] /* address, for backward compatibility */
89};
90
91/*
92 * Assumption here is that a network number
93 * fits in an unsigned long -- probably a poor one.
94 */
95struct netent {
96 char *n_name; /* official name of net */
97 char **n_aliases; /* alias list */
98 int n_addrtype; /* net address type */
99 unsigned long n_net; /* network # */
100};
101
102struct servent {
103 char *s_name; /* official service name */
104 char **s_aliases; /* alias list */
105 int s_port; /* port # */
106 char *s_proto; /* protocol to use */
107};
108
109struct protoent {
110 char *p_name; /* official protocol name */
111 char **p_aliases; /* alias list */
112 int p_proto; /* protocol # */
113};
114
115struct addrinfo {
116 int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
117 int ai_family; /* PF_xxx */
118 int ai_socktype; /* SOCK_xxx */
119 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
120 size_t ai_addrlen; /* length of ai_addr */
121 char *ai_canonname; /* canonical name for hostname */
122 struct sockaddr *ai_addr; /* binary address */
123 struct addrinfo *ai_next; /* next structure in linked list */
124};
125
126/*
127 * Error return codes from gethostbyname() and gethostbyaddr()
128 * (left in extern int h_errno).
129 */
130
131#define NETDB_INTERNAL -1 /* see errno */
132#define NETDB_SUCCESS 0 /* no problem */
133#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
134#define TRY_AGAIN 2 /* Non-Authoritative Host not found, or SERVERFAIL */
135#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
136#define NO_DATA 4 /* Valid name, no data record of requested type */
137#define NO_ADDRESS NO_DATA /* no address, look for MX record */
138
139/*
140 * Error return codes from getaddrinfo()
141 */
142#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
143#define EAI_AGAIN 2 /* temporary failure in name resolution */
144#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
145#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
146#define EAI_FAMILY 5 /* ai_family not supported */
147#define EAI_MEMORY 6 /* memory allocation failure */
148#define EAI_NODATA 7 /* no address associated with hostname */
149#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
150#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
151#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
152#define EAI_SYSTEM 11 /* system error returned in errno */
153#define EAI_BADHINTS 12
154#define EAI_PROTOCOL 13
155#define EAI_RESNULL 14
156#define EAI_MAX 15
157
158/*
159 * Flag values for getaddrinfo()
160 */
161#define AI_PASSIVE 0x00000001 /* get address to use bind() */
162#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
163#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
164/* valid flags for addrinfo */
165#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
166
167#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
168#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
169#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
170#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
171/* special recommended flags for getipnodebyname */
172#define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
173
174/*
175 * Constants for getnameinfo()
176 */
177#define NI_MAXHOST 1025
178#define NI_MAXSERV 32
179
180/*
181 * Flag values for getnameinfo()
182 */
183#define NI_NOFQDN 0x00000001
184#define NI_NUMERICHOST 0x00000002
185#define NI_NAMEREQD 0x00000004
186#define NI_NUMERICSERV 0x00000008
187#define NI_DGRAM 0x00000010
188#define NI_WITHSCOPEID 0x00000020
189
190/*
191 * Scope delimit character
192 */
193#define SCOPE_DELIMITER '%'
194
72#ifndef _PATH_HEQUIV
73# define _PATH_HEQUIV "/etc/hosts.equiv"
74#endif
75#define _PATH_HOSTS "/etc/hosts"
76#define _PATH_NETWORKS "/etc/networks"
77#define _PATH_PROTOCOLS "/etc/protocols"
78#define _PATH_SERVICES "/etc/services"
79
80extern int h_errno;
81
82/*
83 * Structures returned by network data base library. All addresses are
84 * supplied in host order, and returned in network order (suitable for
85 * use in system calls).
86 */
87struct hostent {
88 char *h_name; /* official name of host */
89 char **h_aliases; /* alias list */
90 int h_addrtype; /* host address type */
91 int h_length; /* length of address */
92 char **h_addr_list; /* list of addresses from name server */
93#define h_addr h_addr_list[0] /* address, for backward compatibility */
94};
95
96/*
97 * Assumption here is that a network number
98 * fits in an unsigned long -- probably a poor one.
99 */
100struct netent {
101 char *n_name; /* official name of net */
102 char **n_aliases; /* alias list */
103 int n_addrtype; /* net address type */
104 unsigned long n_net; /* network # */
105};
106
107struct servent {
108 char *s_name; /* official service name */
109 char **s_aliases; /* alias list */
110 int s_port; /* port # */
111 char *s_proto; /* protocol to use */
112};
113
114struct protoent {
115 char *p_name; /* official protocol name */
116 char **p_aliases; /* alias list */
117 int p_proto; /* protocol # */
118};
119
120struct addrinfo {
121 int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
122 int ai_family; /* PF_xxx */
123 int ai_socktype; /* SOCK_xxx */
124 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
125 size_t ai_addrlen; /* length of ai_addr */
126 char *ai_canonname; /* canonical name for hostname */
127 struct sockaddr *ai_addr; /* binary address */
128 struct addrinfo *ai_next; /* next structure in linked list */
129};
130
131/*
132 * Error return codes from gethostbyname() and gethostbyaddr()
133 * (left in extern int h_errno).
134 */
135
136#define NETDB_INTERNAL -1 /* see errno */
137#define NETDB_SUCCESS 0 /* no problem */
138#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
139#define TRY_AGAIN 2 /* Non-Authoritative Host not found, or SERVERFAIL */
140#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
141#define NO_DATA 4 /* Valid name, no data record of requested type */
142#define NO_ADDRESS NO_DATA /* no address, look for MX record */
143
144/*
145 * Error return codes from getaddrinfo()
146 */
147#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
148#define EAI_AGAIN 2 /* temporary failure in name resolution */
149#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
150#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
151#define EAI_FAMILY 5 /* ai_family not supported */
152#define EAI_MEMORY 6 /* memory allocation failure */
153#define EAI_NODATA 7 /* no address associated with hostname */
154#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
155#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
156#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
157#define EAI_SYSTEM 11 /* system error returned in errno */
158#define EAI_BADHINTS 12
159#define EAI_PROTOCOL 13
160#define EAI_RESNULL 14
161#define EAI_MAX 15
162
163/*
164 * Flag values for getaddrinfo()
165 */
166#define AI_PASSIVE 0x00000001 /* get address to use bind() */
167#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
168#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
169/* valid flags for addrinfo */
170#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
171
172#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
173#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
174#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
175#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
176/* special recommended flags for getipnodebyname */
177#define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
178
179/*
180 * Constants for getnameinfo()
181 */
182#define NI_MAXHOST 1025
183#define NI_MAXSERV 32
184
185/*
186 * Flag values for getnameinfo()
187 */
188#define NI_NOFQDN 0x00000001
189#define NI_NUMERICHOST 0x00000002
190#define NI_NAMEREQD 0x00000004
191#define NI_NUMERICSERV 0x00000008
192#define NI_DGRAM 0x00000010
193#define NI_WITHSCOPEID 0x00000020
194
195/*
196 * Scope delimit character
197 */
198#define SCOPE_DELIMITER '%'
199
200/*
201 * data types - basically forward decl for getnameinfo()
202 */
203#ifdef _BSD_SOCKLEN_T_
204typedef _BSD_SOCKLEN_T_ socklen_t;
205#undef _BSD_SOCKLEN_T_
206#endif
207
195__BEGIN_DECLS
196void endhostent __P((void));
197void endnetent __P((void));
198void endprotoent __P((void));
199void endservent __P((void));
200void freehostent __P((struct hostent *));
201struct hostent *gethostbyaddr __P((const char *, int, int));
202struct hostent *gethostbyname __P((const char *));
203struct hostent *gethostbyname2 __P((const char *, int));
204struct hostent *gethostent __P((void));
205struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
206struct hostent *getipnodebyname __P((const char *, int, int, int *));
207struct netent *getnetbyaddr __P((unsigned long, int));
208struct netent *getnetbyname __P((const char *));
209struct netent *getnetent __P((void));
210struct protoent *getprotobyname __P((const char *));
211struct protoent *getprotobynumber __P((int));
212struct protoent *getprotoent __P((void));
213struct servent *getservbyname __P((const char *, const char *));
214struct servent *getservbyport __P((int, const char *));
215struct servent *getservent __P((void));
216void herror __P((const char *));
217__const char *hstrerror __P((int));
218void sethostent __P((int));
219/* void sethostfile __P((const char *)); */
220void setnetent __P((int));
221void setprotoent __P((int));
222int getaddrinfo __P((const char *, const char *,
223 const struct addrinfo *, struct addrinfo **));
208__BEGIN_DECLS
209void endhostent __P((void));
210void endnetent __P((void));
211void endprotoent __P((void));
212void endservent __P((void));
213void freehostent __P((struct hostent *));
214struct hostent *gethostbyaddr __P((const char *, int, int));
215struct hostent *gethostbyname __P((const char *));
216struct hostent *gethostbyname2 __P((const char *, int));
217struct hostent *gethostent __P((void));
218struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
219struct hostent *getipnodebyname __P((const char *, int, int, int *));
220struct netent *getnetbyaddr __P((unsigned long, int));
221struct netent *getnetbyname __P((const char *));
222struct netent *getnetent __P((void));
223struct protoent *getprotobyname __P((const char *));
224struct protoent *getprotobynumber __P((int));
225struct protoent *getprotoent __P((void));
226struct servent *getservbyname __P((const char *, const char *));
227struct servent *getservbyport __P((int, const char *));
228struct servent *getservent __P((void));
229void herror __P((const char *));
230__const char *hstrerror __P((int));
231void sethostent __P((int));
232/* void sethostfile __P((const char *)); */
233void setnetent __P((int));
234void setprotoent __P((int));
235int getaddrinfo __P((const char *, const char *,
236 const struct addrinfo *, struct addrinfo **));
224int getnameinfo __P((const struct sockaddr *, size_t, char *,
237int getnameinfo __P((const struct sockaddr *, socklen_t, char *,
225 size_t, char *, size_t, int));
226void freeaddrinfo __P((struct addrinfo *));
227char *gai_strerror __P((int));
228void setservent __P((int));
229
230/*
231 * PRIVATE functions specific to the FreeBSD implementation
232 */
233
234/* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */
235void _sethosthtent __P((int));
236void _endhosthtent __P((void));
237void _sethostdnsent __P((int));
238void _endhostdnsent __P((void));
239void _setnethtent __P((int));
240void _endnethtent __P((void));
241void _setnetdnsent __P((int));
242void _endnetdnsent __P((void));
243struct hostent * _gethostbynisname __P((const char *, int));
244struct hostent * _gethostbynisaddr __P((const char *, int, int));
245void _map_v4v6_address __P((const char *src, char *dst));
246void _map_v4v6_hostent __P((struct hostent *hp, char **bp, int *len));
247__END_DECLS
248
249#endif /* !_NETDB_H_ */
238 size_t, char *, size_t, int));
239void freeaddrinfo __P((struct addrinfo *));
240char *gai_strerror __P((int));
241void setservent __P((int));
242
243/*
244 * PRIVATE functions specific to the FreeBSD implementation
245 */
246
247/* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */
248void _sethosthtent __P((int));
249void _endhosthtent __P((void));
250void _sethostdnsent __P((int));
251void _endhostdnsent __P((void));
252void _setnethtent __P((int));
253void _endnethtent __P((void));
254void _setnetdnsent __P((int));
255void _endnetdnsent __P((void));
256struct hostent * _gethostbynisname __P((const char *, int));
257struct hostent * _gethostbynisaddr __P((const char *, int, int));
258void _map_v4v6_address __P((const char *src, char *dst));
259void _map_v4v6_hostent __P((struct hostent *hp, char **bp, int *len));
260__END_DECLS
261
262#endif /* !_NETDB_H_ */