| 1 | /* netdb.h,v 1.8 2004/09/14 22:27:34 bird Exp */
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| 2 | /** @file
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| 3 | * BSD
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| 4 | *
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| 5 | * @changed Modified for emx by hv and em 1994-1997
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| 6 | * @changed Modified for gcc by bird 2003
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| 7 | */
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| 8 |
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| 9 | /* netdb.h,v 1.8 2004/09/14 22:27:34 bird Exp */
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| 10 | /*-
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| 11 | *
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| 12 | * Copyright (c) 1980, 1983, 1988 Regents of the University of California.
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| 13 | * All rights reserved.
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| 14 | *
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| 15 | * Redistribution and use in source and binary forms, with or without
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| 16 | * modification, are permitted provided that the following conditions
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| 17 | * are met:
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| 18 | * 1. Redistributions of source code must retain the above copyright
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| 19 | * notice, this list of conditions and the following disclaimer.
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| 20 | * 2. Redistributions in binary form must reproduce the above copyright
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| 21 | * notice, this list of conditions and the following disclaimer in the
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| 22 | * documentation and/or other materials provided with the distribution.
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| 23 | * 3. All advertising materials mentioning features or use of this software
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| 24 | * must display the following acknowledgement:
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| 25 | * This product includes software developed by the University of
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| 26 | * California, Berkeley and its contributors.
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| 27 | * 4. Neither the name of the University nor the names of its contributors
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| 28 | * may be used to endorse or promote products derived from this software
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| 29 | * without specific prior written permission.
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| 30 | *
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| 31 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 32 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 33 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 34 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 35 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 39 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 40 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 41 | * SUCH DAMAGE.
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| 42 | *
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| 43 | * from: @(#)netdb.h 5.15 (Berkeley) 4/3/91
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| 44 | * netdb.h,v 1.8 2004/09/14 22:27:34 bird Exp
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| 45 | */
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| 46 |
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| 47 | #ifndef _NETDB_H_
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| 48 | #define _NETDB_H_
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| 49 | #ifdef TCPV40HDRS
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| 50 | #define __NETDB_32H
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| 51 | #endif
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| 52 |
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| 53 | #if defined (__cplusplus)
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| 54 | extern "C" {
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| 55 | #endif
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| 56 |
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| 57 | /* toolkit compatibility - start */
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| 58 | #include <sys/param.h>
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| 59 | #include <sys/cdefs.h>
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| 60 | /* toolkit compatibility - end */
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| 61 |
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| 62 | #ifndef _EMX_TCPIP
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| 63 | #define _EMX_TCPIP
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| 64 | #endif
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| 65 |
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| 66 | #ifdef __RSXNT__ /* convert some int values to short */
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| 67 | #define __INT_T short
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| 68 | #pragma pack(1)
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| 69 | #else /* emx */
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| 70 | #define __INT_T int
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| 71 | #endif
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| 72 |
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| 73 |
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| 74 | #define _PATH_HEQUIV "/@unixroot/etc/hosts.equiv"
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| 75 | #define _PATH_HOSTS "/@unixroot/etc/hosts"
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| 76 | #define _PATH_NETWORKS "/@unixroot/etc/networks"
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| 77 | #define _PATH_PROTOCOLS "/@unixroot/etc/protocols"
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| 78 | #define _PATH_SERVICES "/@unixroot/etc/services"
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| 79 |
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| 80 | #ifdef TCPV40HDRS
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| 81 | #define h_errno (tcp_h_errno()) /* __MT__ safe */
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| 82 | #else
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| 83 | #define h_errno (*tcp_h_errno1()) /* __MT__ safe */
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| 84 | #endif
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| 85 |
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| 86 | /*
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| 87 | * Structures returned by network data base library. All addresses are
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| 88 | * supplied in host order, and returned in network order (suitable for
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| 89 | * use in system calls).
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| 90 | */
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| 91 | struct hostent {
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| 92 | char *h_name; /* official name of host */
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| 93 | char **h_aliases; /* alias list */
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| 94 | __INT_T h_addrtype; /* host address type */
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| 95 | __INT_T h_length; /* length of address */
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| 96 | char **h_addr_list; /* list of addresses from name server */
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| 97 | #define h_addr h_addr_list[0] /* address, for backward compatiblity */
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| 98 | };
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| 99 |
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| 100 | /*
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| 101 | * Assumption here is that a network number
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| 102 | * fits in 32 bits -- probably a poor one.
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| 103 | */
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| 104 | struct netent {
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| 105 | char *n_name; /* official name of net */
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| 106 | char **n_aliases; /* alias list */
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| 107 | __INT_T n_addrtype; /* net address type */
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| 108 | unsigned long n_net; /* network # */
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| 109 | };
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| 110 |
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| 111 | struct servent {
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| 112 | char *s_name; /* official service name */
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| 113 | char **s_aliases; /* alias list */
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| 114 | __INT_T s_port; /* port # */
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| 115 | char *s_proto; /* protocol to use */
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| 116 | };
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| 117 |
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| 118 | struct protoent {
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| 119 | char *p_name; /* official protocol name */
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| 120 | char **p_aliases; /* alias list */
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| 121 | __INT_T p_proto; /* protocol # */
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| 122 | };
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| 123 |
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| 124 | /*
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| 125 | * Error return codes from gethostbyname() and gethostbyaddr()
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| 126 | * (left in extern int h_errno).
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| 127 | */
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| 128 | #ifndef TCPV40HDRS
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| 129 | #define NETDB_INTERNAL -1 /* see errno */
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| 130 | #define NETDB_SUCCESS 0 /* no problem */
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| 131 | #endif
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| 132 | #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
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| 133 | #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
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| 134 | #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
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| 135 | #define NO_DATA 4 /* Valid name, no data record of requested type */
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| 136 | #define NO_ADDRESS NO_DATA /* no address, look for MX record */
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| 137 |
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| 138 |
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| 139 | #ifdef TCPV40HDRS
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| 140 | #include <stdio.h>
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| 141 | #include <string.h>
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| 142 | #include <netinet\in.h>
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| 143 |
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| 144 | /* IBM addendum structures and functions */
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| 145 | #define _HOSTBUFSIZE (4096+1)
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| 146 | #define _MAXADDRS 35
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| 147 | #define _MAXALIASES 35
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| 148 | #define _MAXLINELEN 1024
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| 149 |
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| 150 | /* this is the internally used data structure to which pointers of
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| 151 | * struct hostent ponit to, after gethostbyname_r/gethostbyaddr_r were
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| 152 | * called. ATTENTION EMX: The component _opaque_ is a pointer to a data
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| 153 | * structure which is not accessible by EMX
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| 154 | */
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| 155 | struct hostent_data {
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| 156 | struct in_addr host_addr; /* host address pointer */
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| 157 | char *h_addr_ptrs[_MAXADDRS+1]; /* host address */
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| 158 | char hostaddr[_MAXADDRS];
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| 159 | char hostbuf[_HOSTBUFSIZE+1]; /* host data */
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| 160 | char *host_aliases[_MAXALIASES];
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| 161 | char *host_addrs[2];
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| 162 | void *_opaque_; /* EMX: dead component! */
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| 163 | int stayopen; /* AIX addon */
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| 164 | u_long host_addresses[_MAXADDRS]; /* Actual Addresses. */
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| 165 | };
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| 166 |
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| 167 | struct servent_data {
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| 168 | void *_opaque_;
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| 169 | char line[_MAXLINELEN];
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| 170 | char *serv_aliases[_MAXALIASES];
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| 171 | int _serv_stayopen;
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| 172 | };
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| 173 | #endif
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| 174 |
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| 175 |
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| 176 | /* BSD */
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| 177 | int TCPCALL gethostname( char *, int );
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| 178 | struct hostent * TCPCALL gethostbyname( const char * );
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| 179 | struct hostent * TCPCALL gethostbyaddr( const char *, int, int );
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| 180 | struct netent * TCPCALL getnetbyname( const char * );
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| 181 | struct netent * TCPCALL getnetbyaddr( unsigned long, int );
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| 182 | struct servent * TCPCALL getservbyname( const char *, const char * );
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| 183 | struct servent * TCPCALL getservbyport( int, const char * );
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| 184 | struct servent * TCPCALL getservent( void );
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| 185 | struct protoent * TCPCALL getprotobyname( const char * );
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| 186 | struct protoent * TCPCALL getprotobynumber( int );
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| 187 | void TCPCALL sethostent( int );
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| 188 | struct hostent * TCPCALL gethostent( void );
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| 189 | void TCPCALL endhostent(void);
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| 190 | void TCPCALL setnetent( int );
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| 191 | struct netent * TCPCALL getnetent( void );
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| 192 | void TCPCALL endnetent(void);
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| 193 | void TCPCALL setprotoent( int );
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| 194 | struct protoent * TCPCALL getprotoent( void );
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| 195 | void TCPCALL endprotoent(void);
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| 196 | void TCPCALL setservent( int );
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| 197 | struct servent * TCPCALL getservent( void );
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| 198 | void TCPCALL endservent(void);
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| 199 | #ifndef TCPV40HDRS
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| 200 | struct hostent * TCPCALL gethostbyname2( const char *, int );
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| 201 | #endif
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| 202 |
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| 203 | /* New BSD Additions. */
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| 204 | int innetgr(const char *, const char *, const char *, const char *);
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| 205 | void setnetgrent(const char *);
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| 206 | int getnetgrent(char **, char **, char **);
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| 207 | void endnetgrent(void);
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| 208 |
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| 209 |
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| 210 |
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| 211 | /* OS2 Additions */
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| 212 | #ifdef TCPV40HDRS
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| 213 | int TCPCALL tcp_h_errno(void);
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| 214 | struct hostent * TCPCALL Rgethostbyname(char *); /* Socks additions */
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| 215 | #else
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| 216 | const char * TCPCALL hstrerror(int);
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| 217 | /* void TCPCALL sethostfile(const char *); */
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| 218 | int * TCPCALL tcp_h_errno1(void);
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| 219 | #endif
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| 220 |
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| 221 | /* EMX/BSD additions. */
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| 222 | void TCPCALL herror(const char *);
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| 223 |
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| 224 | /* EMX/BSD stuff which isn't implemeneted */
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| 225 | #ifndef TCPV40HDRS
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| 226 | struct hostent_data;
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| 227 | struct servent_data;
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| 228 | #endif
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| 229 | int gethostbyname_r(char*, struct hostent*, struct hostent_data*);
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| 230 | int gethostbyaddr_r(char*, int, int, struct hostent*, struct hostent_data*);
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| 231 | int getservbyname_r(char*, char*, struct servent*, struct servent_data*);
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| 232 | struct hostent * _gethtbyname(char*);
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| 233 | struct hostent * _gethtbyaddr(char*, int, int);
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| 234 |
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| 235 |
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| 236 | #ifdef __RSXNT__
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| 237 | #pragma pack()
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| 238 | #endif
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| 239 | #undef __INT_T
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| 240 |
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| 241 | #if defined (__cplusplus)
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| 242 | }
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| 243 | #endif
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| 244 |
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| 245 | #endif /* !_NETDB_H_ */
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| 246 |
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