/* $OpenBSD: netdb.h,v 1.7 1999/07/03 18:14:51 deraadt Exp $ */ /* * ++Copyright++ 1980, 1983, 1988, 1993 * - * 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. * - * 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-- */ /* * %%% portions-copyright-cmetz-96 * Portions of this software are Copyright 1996-1998 by Craig Metz, All Rights * Reserved. The Inner Net License Version 2 applies to these portions of * the software. * You should have received a copy of the license with this software. If * you didn't get a copy, you may request one from . */ /* * @(#)netdb.h 8.1 (Berkeley) 6/2/93 * $From: netdb.h,v 8.7 1996/05/09 05:59:09 vixie Exp $ */ #ifndef _NETDB_H_ #define _NETDB_H_ #include #if (!defined(BSD)) || (BSD < 199306) # include #endif #include #define _PATH_HEQUIV "/etc/hosts.equiv" #define _PATH_HOSTS "/etc/hosts" #define _PATH_NETWORKS "/etc/networks" #define _PATH_PROTOCOLS "/etc/protocols" #define _PATH_SERVICES "/etc/services" extern int h_errno; /* * 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 in_addr_t -- probably a poor one. */ struct netent { char *n_name; /* official name of net */ char **n_aliases; /* alias list */ int n_addrtype; /* net address type */ in_addr_t 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 # */ }; /* * Error return codes from gethostbyname() and gethostbyaddr() * (left in extern int h_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 */ /* Values for getaddrinfo() and getnameinfo() */ #define AI_PASSIVE 1 /* socket address is intended for bind() */ #define AI_CANONNAME 2 /* request for canonical name */ #define AI_NUMERICHOST 4 /* don't ever try nameservice */ #define AI_EXT 8 /* enable non-portable extensions */ #define NI_NUMERICHOST 1 /* return the host address, not the name */ #define NI_NUMERICSERV 2 /* return the service address, not the name */ #define NI_NOFQDN 4 /* return a short name if in the local domain */ #define NI_NAMEREQD 8 /* fail if either host or service name is unknown */ #define NI_DGRAM 16 /* look up datagram service instead of stream */ #define NI_MAXHOST MAXHOSTNAMELEN /* max host name returned by getnameinfo */ #define NI_MAXSERV 32 /* max serv. name length returned by getnameinfo */ #define EAI_BADFLAGS -1 /* invalid value for ai_flags */ #define EAI_NONAME -2 /* name or service is not known */ #define EAI_AGAIN -3 /* temporary failure in name resolution */ #define EAI_FAIL -4 /* non-recoverable failure in name resolution */ #define EAI_NODATA -5 /* no address associated with name */ #define EAI_FAMILY -6 /* ai_family not supported */ #define EAI_SOCKTYPE -7 /* ai_socktype not supported */ #define EAI_SERVICE -8 /* service not supported for ai_socktype */ #define EAI_ADDRFAMILY -9 /* address family for name not supported */ #define EAI_MEMORY -10 /* memory allocation failure */ #define EAI_SYSTEM -11 /* system error (code indicated in errno) */ struct addrinfo { int ai_flags; /* input flags */ int ai_family; /* protocol family for socket */ int ai_socktype; /* socket type */ int ai_protocol; /* protocol for socket */ int ai_addrlen; /* length of socket-address */ struct sockaddr *ai_addr; /* socket-address for socket */ char *ai_canonname; /* canonical name for service location (iff req) */ struct addrinfo *ai_next; /* pointer to next in list */ }; __BEGIN_DECLS void endhostent __P((void)); void endnetent __P((void)); void endprotoent __P((void)); void endservent __P((void)); struct hostent *gethostbyaddr __P((const char *, int, int)); struct hostent *gethostbyname __P((const char *)); struct hostent *gethostbyname2 __P((const char *, int)); struct hostent *gethostent __P((void)); struct netent *getnetbyaddr __P((in_addr_t, int)); 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)); void herror __P((const char *)); const char *hstrerror __P((int)); void sethostent __P((int)); /* void sethostfile __P((const char *)); */ void setnetent __P((int)); void setprotoent __P((int)); void setservent __P((int)); int getaddrinfo __P((const char *name, const char *service, const struct addrinfo *req, struct addrinfo **pai)); void freeaddrinfo __P((struct addrinfo *ai)); int getnameinfo __P((const struct sockaddr *sa, size_t addrlen, char *host, size_t hostlen, char *serv, size_t servlen, int flags)); char *gai_strerror __P((int ecode)); int net_addrcmp __P((struct sockaddr *, struct sockaddr *)); __END_DECLS /* This is nec'y to make this include file properly replace the sun version. */ #ifdef sun #ifdef __GNU_LIBRARY__ #include #else struct rpcent { char *r_name; /* name of server for this rpc program */ char **r_aliases; /* alias list */ int r_number; /* rpc program number */ }; struct rpcent *getrpcbyname(), *getrpcbynumber(), *getrpcent(); #endif /* __GNU_LIBRARY__ */ #endif /* sun */ #endif /* !_NETDB_H_ */