summaryrefslogtreecommitdiff
path: root/include/netdb.h
blob: 888b87ded9a57ed9a77e66294dd799fb0fdf2f16 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
/*-
 * Copyright (c) 1980, 1983, 1988, 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.
 *
 *	@(#)netdb.h	8.1 (Berkeley) 6/2/93
 *      netdb.h,v 1.4 1995/08/14 04:05:04 hjl Exp
 * -
 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
 *
 * Permission to use, copy, modify and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies, and that
 * the name of Digital Equipment Corporation not be used in advertising or
 * publicity pertaining to distribution of the document or software without
 * specific, written prior permission.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 * -
 * --Copyright--
 */

#ifndef _NETDB_H_
#define _NETDB_H_

#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
#include <stdio.h>
#include <netinet/in.h>
#endif

#include <paths.h>

#define __PATH_ETC_INET	"/etc"
#define _PATH_HEQUIV	__PATH_ETC_INET"/hosts.equiv"
#define _PATH_HOSTS	__PATH_ETC_INET"/hosts"
#define _PATH_NETWORKS	__PATH_ETC_INET"/networks"
#define _PATH_PROTOCOLS	__PATH_ETC_INET"/protocols"
#define _PATH_SERVICES	__PATH_ETC_INET"/services"
#define _PATH_RESCONF	__PATH_ETC_INET"/resolv.conf"
#define _PATH_RPC	__PATH_ETC_INET"/rpc"


/*
 * Structures returned by network data base library.  All addresses are
 * supplied in host order, and returned in network order (suitable for
 * use in system calls).
 */
struct	hostent {
	char	*h_name;	/* official name of host */
	char	**h_aliases;	/* alias list */
	int	h_addrtype;	/* host address type */
	int	h_length;	/* length of address */
	char	**h_addr_list;	/* list of addresses from name server */
#define	h_addr	h_addr_list[0]	/* address, for backward compatiblity */
};

/*
 * Assumption here is that a network number
 * fits in an unsigned long -- probably a poor one.
 */
struct	netent {
	char		*n_name;	/* official name of net */
	char		**n_aliases;	/* alias list */
	int		n_addrtype;	/* net address type */
	unsigned long	n_net;		/* network # */
};

struct	servent {
	char	*s_name;	/* official service name */
	char	**s_aliases;	/* alias list */
	int	s_port;		/* port # */
	char	*s_proto;	/* protocol to use */
};

struct	protoent {
	char	*p_name;	/* official protocol name */
	char	**p_aliases;	/* alias list */
	int	p_proto;	/* protocol # */
};

struct rpcent {
	char	*r_name;	/* name of server for this rpc program */
	char	**r_aliases;	/* alias list */
	int	r_number;	/* rpc program number */
};

#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)

#define __NETDB_MAXALIASES	35
#define __NETDB_MAXADDRS	35

#endif

/*
 * Error return codes from gethostbyname() and gethostbyaddr()
 * (left in extern int h_errno).
 */

/* uClibc reuses errno for h_errno. */
#include <errno.h>
#define h_errno errno

#define	NETDB_INTERNAL -1 /* see errno */
#define	NETDB_SUCCESS   0 /* no problem */
#define	HOST_NOT_FOUND	1 /* Authoritative Answer Host not found */
#define	TRY_AGAIN	2 /* Non-Authoritive Host not found, or SERVERFAIL */
#define	NO_RECOVERY	3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
#define	NO_DATA		4 /* Valid name, no data record of requested type */
#define	NO_ADDRESS	NO_DATA		/* no address, look for MX record */

#include <features.h>

__BEGIN_DECLS

void		endhostent __P((void));
void		endnetent __P((void));
void		endprotoent __P((void));
void		endservent __P((void));
void		endrpcent __P ((void));
struct hostent	*gethostbyaddr __P((__const char *, int, int));
struct hostent	*gethostbyname __P((__const char *));
struct hostent	*gethostent __P((void));
struct netent	*getnetbyaddr __P((long, int)); /* u_long? */
struct netent	*getnetbyname __P((__const char *));
struct netent	*getnetent __P((void));
struct protoent	*getprotobyname __P((__const char *));
struct protoent	*getprotobynumber __P((int));
struct protoent	*getprotoent __P((void));
struct servent	*getservbyname __P((__const char *, __const char *));
struct servent	*getservbyport __P((int, __const char *));
struct servent	*getservent __P((void));
struct rpcent	*getrpcent __P((void));
struct rpcent	*getrpcbyname __P((__const char *));
struct rpcent	*getrpcbynumber __P((int));
void		herror __P((__const char *));
void		sethostent __P((int));
/* void		sethostfile __P((__const char *)); */
void		setnetent __P((int));
void		setprotoent __P((int));
void		setservent __P((int));
void		setrpcent __P((int));

#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
struct hostent	*gethostbyaddr_r __P((const char *__addr,
			int __length, int __type,
			struct hostent *__result,
			char *__buffer, int __buflen, int *__h_errnop));
struct hostent	*gethostbyname_r __P((const char * __name,
			struct hostent *__result, char *__buffer,
			int __buflen, int *__h_errnop));
struct hostent	*gethostent_r __P((struct hostent *__result,
			char *__buffer, int __buflen, int *__h_errnop));
struct netent	*getnetbyaddr_r __P((long __net, int __type,
			struct netent *__result, char *__buffer,
			int __buflen));
struct netent	*getnetbyname_r __P((const char * __name,
			struct netent *__result, char *__buffer,
			int __buflen));
struct netent	*getnetent_r __P((struct netent *__result,
			char *__buffer, int __buflen));
struct protoent	*getprotobyname_r __P((const char * __name,
			struct protoent *__result, char *__buffer,
			int __buflen));
struct protoent	*getprotobynumber_r __P((int __proto,
			struct protoent *__result, char *__buffer,
			int __buflen));
struct protoent	*getprotoent_r __P((struct protoent *__result,
			char *__buffer, int __buflen));
struct servent	*getservbyname_r __P((const char * __name,
			const char *__proto, struct servent *__result,
			char *__buffer, int __buflen));
struct servent	*getservbyport_r __P((int __port,
			const char *__proto, struct servent *__result,
			char *__buffer, int __buflen));
struct servent	*getservent_r __P((struct servent *__result,
			char *__buffer, int __buflen));

int *__h_errno_location __P((void));

#endif

__END_DECLS

#endif /* !_NETDB_H_ */