1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1996 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Portions of this source code were derived from Berkeley 4.3 BSD 32 * under license from the Regents of the University of California. 33 */ 34 35 /* 36 * Structures returned by network data base library. 37 * All addresses are supplied in host order, and 38 * returned in network order (suitable for use in system calls). 39 */ 40 41 #ifndef _NETDB_H 42 #define _NETDB_H 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 #define _PATH_HEQUIV "/etc/hosts.equiv" 49 #define _PATH_HOSTS "/etc/hosts" 50 #define _PATH_NETWORKS "/etc/networks" 51 #define _PATH_PROTOCOLS "/etc/protocols" 52 #define _PATH_SERVICES "/etc/services" 53 54 struct hostent { 55 char *h_name; /* official name of host */ 56 char **h_aliases; /* alias list */ 57 int h_addrtype; /* host address type */ 58 int h_length; /* length of address */ 59 char **h_addr_list; /* list of addresses from name server */ 60 #define h_addr h_addr_list[0] /* address, for backward compatiblity */ 61 }; 62 63 /* 64 * Assumption here is that a network number 65 * fits in 32 bits -- probably a poor one. 66 */ 67 struct netent { 68 char *n_name; /* official name of net */ 69 char **n_aliases; /* alias list */ 70 int n_addrtype; /* net address type */ 71 unsigned long n_net; /* network # */ 72 }; 73 74 struct servent { 75 char *s_name; /* official service name */ 76 char **s_aliases; /* alias list */ 77 int s_port; /* port # */ 78 char *s_proto; /* protocol to use */ 79 }; 80 81 struct protoent { 82 char *p_name; /* official protocol name */ 83 char **p_aliases; /* alias list */ 84 int p_proto; /* protocol # */ 85 }; 86 87 #ifdef __STDC__ 88 struct hostent *gethostbyname_r 89 (const char *, struct hostent *, char *, int, int *h_errnop); 90 struct hostent *gethostbyaddr_r 91 (const char *, int, int, struct hostent *, char *, int, int *h_errnop); 92 struct hostent *gethostent_r(struct hostent *, char *, int, int *h_errnop); 93 94 struct servent *getservbyname_r 95 (const char *name, const char *, struct servent *, char *, int); 96 struct servent *getservbyport_r 97 (int port, const char *, struct servent *, char *, int); 98 struct servent *getservent_r(struct servent *, char *, int); 99 100 struct netent *getnetbyname_r 101 (const char *, struct netent *, char *, int); 102 struct netent *getnetbyaddr_r(long, int, struct netent *, char *, int); 103 struct netent *getnetent_r(struct netent *, char *, int); 104 105 struct protoent *getprotobyname_r 106 (const char *, struct protoent *, char *, int); 107 struct protoent *getprotobynumber_r 108 (int, struct protoent *, char *, int); 109 struct protoent *getprotoent_r(struct protoent *, char *, int); 110 111 int getnetgrent_r(char **, char **, char **, char *, int); 112 int innetgr(const char *, const char *, const char *, const char *); 113 114 /* Old interfaces that return a pointer to a static area; MT-unsafe */ 115 struct hostent *gethostbyname(const char *); 116 struct hostent *gethostbyaddr(const char *, int, int); 117 struct hostent *gethostent(void); 118 struct netent *getnetbyname(const char *); 119 struct netent *getnetbyaddr(long, int); 120 struct netent *getnetent(void); 121 struct servent *getservbyname(const char *, const char *); 122 struct servent *getservbyport(int, const char *); 123 struct servent *getservent(void); 124 struct protoent *getprotobyname(const char *); 125 struct protoent *getprotobynumber(int); 126 struct protoent *getprotoent(void); 127 int getnetgrent(char **, char **, char **); 128 129 int sethostent(int); 130 int endhostent(void); 131 int setnetent(int); 132 int endnetent(void); 133 int setservent(int); 134 int endservent(void); 135 int setprotoent(int); 136 int endprotoent(void); 137 int setnetgrent(const char *); 138 int endnetgrent(void); 139 int rcmd(char **ahost, unsigned short inport, 140 const char *luser, const char *ruser, const char *cmd, int *fd2p); 141 int rexec(char **ahost, unsigned short inport, 142 const char *user, const char *passwd, const char *cmd, int *fd2p); 143 int rresvport(int *); 144 int ruserok(const char *rhost, int suser, const char *ruser, const char *luser); 145 #else 146 struct hostent *gethostbyname_r(); 147 struct hostent *gethostbyaddr_r(); 148 struct hostent *gethostent_r(); 149 struct servent *getservbyname_r(); 150 struct servent *getservbyport_r(); 151 struct servent *getservent_r(); 152 struct netent *getnetbyname_r(); 153 struct netent *getnetbyaddr_r(); 154 struct netent *getnetent_r(); 155 struct protoent *getprotobyname_r(); 156 struct protoent *getprotobynumber_r(); 157 struct protoent *getprotoent_r(); 158 int getnetgrent_r(); 159 int innetgr(); 160 161 /* Old interfaces that return a pointer to a static area; MT-unsafe */ 162 struct hostent *gethostbyname(); 163 struct hostent *gethostbyaddr(); 164 struct hostent *gethostent(); 165 struct netent *getnetbyname(); 166 struct netent *getnetbyaddr(); 167 struct netent *getnetent(); 168 struct servent *getservbyname(); 169 struct servent *getservbyport(); 170 struct servent *getservent(); 171 struct protoent *getprotobyname(); 172 struct protoent *getprotobynumber(); 173 struct protoent *getprotoent(); 174 int getnetgrent(); 175 176 int sethostent(); 177 int endhostent(); 178 int setnetent(); 179 int endnetent(); 180 int setservent(); 181 int endservent(); 182 int setprotoent(); 183 int endprotoent(); 184 int setnetgrent(); 185 int endnetgrent(); 186 int rcmd(); 187 int rexec(); 188 int rresvport(); 189 int ruserok(); 190 #endif 191 192 /* 193 * Error return codes from gethostbyname() and gethostbyaddr() 194 * (when using the resolver) 195 */ 196 197 extern int h_errno; 198 199 #define HOST_NOT_FOUND 1 /* Authoritive Answer Host not found */ 200 #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */ 201 #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ 202 #define NO_DATA 4 /* Valid name, no data record of requested type */ 203 #define NO_ADDRESS NO_DATA /* no address, look for MX record */ 204 205 #define MAXHOSTNAMELEN 256 206 207 #define MAXALIASES 35 208 #define MAXADDRS 35 209 210 #ifdef __cplusplus 211 } 212 #endif 213 214 #endif /* _NETDB_H */ 215