NetBSD/dist/bind/include/netdb.h

493 lines
16 KiB
C

/* $NetBSD: netdb.h,v 1.4 2002/06/20 11:43:01 itojun 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.
* -
* Portions Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* 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 WIDE Project and
* its contributors.
* 4. Neither the name of the project 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 PROJECT 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 PROJECT 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.
* -
* --Copyright--
*/
/*
* @(#)netdb.h 8.1 (Berkeley) 6/2/93
* Id: netdb.h,v 8.17 2001/06/18 14:43:48 marka Exp
*/
#ifndef _NETDB_H_
#define _NETDB_H_
#include <sys/param.h>
#include <sys/types.h>
#if (!defined(BSD)) || (BSD < 199306)
# include <sys/bitypes.h>
#endif
#include <sys/cdefs.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdio.h>
#ifndef _PATH_HEQUIV
#define _PATH_HEQUIV "/etc/hosts.equiv"
#endif
#ifndef _PATH_HOSTS
#define _PATH_HOSTS "/etc/hosts"
#endif
#ifndef _PATH_NETWORKS
#define _PATH_NETWORKS "/etc/networks"
#endif
#ifndef _PATH_PROTOCOLS
#define _PATH_PROTOCOLS "/etc/protocols"
#endif
#ifndef _PATH_SERVICES
#define _PATH_SERVICES "/etc/services"
#endif
__BEGIN_DECLS
extern int * __h_errno __P((void));
__END_DECLS
#ifdef _REENTRANT
#define h_errno (*__h_errno())
#else
extern int h_errno;
#endif
/*
* 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 addrinfo {
int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
int ai_family; /* PF_xxx */
int ai_socktype; /* SOCK_xxx */
int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
size_t ai_addrlen; /* length of ai_addr */
char *ai_canonname; /* canonical name for hostname */
struct sockaddr *ai_addr; /* binary address */
struct addrinfo *ai_next; /* next structure in linked list */
};
/*
* 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 */
/*
* Error return codes from getaddrinfo()
*/
#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
#define EAI_AGAIN 2 /* temporary failure in name resolution */
#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
#define EAI_FAMILY 5 /* ai_family not supported */
#define EAI_MEMORY 6 /* memory allocation failure */
#define EAI_NODATA 7 /* no address associated with hostname */
#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
#define EAI_SYSTEM 11 /* system error returned in errno */
#define EAI_BADHINTS 12
#define EAI_PROTOCOL 13
#define EAI_MAX 14
/*
* Flag values for getaddrinfo()
*/
#define AI_PASSIVE 0x00000001
#define AI_CANONNAME 0x00000002
#define AI_NUMERICHOST 0x00000004
#define AI_MASK 0x00000007
/*
* Flag values for getipnodebyname()
*/
#define AI_V4MAPPED 0x00000008
#define AI_ALL 0x00000010
#define AI_ADDRCONFIG 0x00000020
#define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG)
/*
* Constants for getnameinfo()
*/
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
/*
* Flag values for getnameinfo()
*/
#define NI_NOFQDN 0x00000001
#define NI_NUMERICHOST 0x00000002
#define NI_NAMEREQD 0x00000004
#define NI_NUMERICSERV 0x00000008
#define NI_DGRAM 0x00000010
#define NI_WITHSCOPEID 0x00000020
#define NI_NUMERICSCOPE 0x00000040
/*
* Scope delimit character
*/
#define SCOPE_DELIMITER '%'
#ifdef _REENTRANT
#if defined (__hpux) || defined(__osf__) || defined(_AIX)
#define _MAXALIASES 35
#define _MAXLINELEN 1024
#define _MAXADDRS 35
#define _HOSTBUFSIZE (BUFSIZ + 1)
struct hostent_data {
struct in_addr host_addr;
char *h_addr_ptrs[_MAXADDRS + 1];
char hostaddr[_MAXADDRS];
char hostbuf[_HOSTBUFSIZE];
char *host_aliases[_MAXALIASES];
char *host_addrs[2];
FILE *hostf;
#ifdef __osf__
int svc_gethostflag;
int svc_gethostbind;
#endif
#ifdef __hpux
short _nsw_src;
short _flags;
char *current;
int currentlen;
#endif
};
struct netent_data {
FILE *net_fp;
#ifdef __osf__
char line[_MAXLINELEN];
#endif
#ifdef __hpux
char line[_MAXLINELEN+1];
#endif
char *net_aliases[_MAXALIASES];
#ifdef __osf__
int _net_stayopen;
int svc_getnetflag;
#endif
#ifdef __hpux
short _nsw_src;
short _flags;
char *current;
int currentlen;
#endif
};
struct protoent_data {
FILE *proto_fp;
#ifdef __osf__
char line[1024];
#endif
#ifdef __hpux
char line[_MAXLINELEN+1];
#endif
char *proto_aliases[_MAXALIASES];
#ifdef __osf__
int _proto_stayopen;
int svc_getprotoflag;
#endif
#ifdef __hpux
short _nsw_src;
short _flags;
char *current;
int currentlen;
#endif
};
struct servent_data {
FILE *serv_fp;
#ifdef __osf__
char line[_MAXLINELEN];
#endif
#ifdef __hpux
char line[_MAXLINELEN+1];
#endif
char *serv_aliases[_MAXALIASES];
#ifdef __osf__
int _serv_stayopen;
int svc_getservflag;
#endif
#ifdef __hpux
short _nsw_src;
short _flags;
char *current;
int currentlen;
#endif
};
#endif
#endif
__BEGIN_DECLS
void endhostent __P((void));
void endnetent __P((void));
void endprotoent __P((void));
void endservent __P((void));
void freehostent __P((struct hostent *));
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 hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
struct hostent *getipnodebyname __P((const char *, int, int, int *));
struct netent *getnetbyaddr __P((unsigned long, 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 *, const char *,
const struct addrinfo *, struct addrinfo **));
int getnameinfo __P((const struct sockaddr *, size_t, char *,
size_t, char *, size_t, int));
void freeaddrinfo __P((struct addrinfo *));
const char *gai_strerror __P((int));
struct hostent *getipnodebyname __P((const char *, int, int, int *));
struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
void freehostent __P((struct hostent *));
#ifdef _REENTRANT
#if defined(__hpux) || defined(__osf__) || defined(_AIX)
int gethostbyaddr_r __P((const char *, int, int, struct hostent *,
struct hostent_data *));
int gethostbyname_r __P((const char *, struct hostent *,
struct hostent_data *));
int gethostent_r __P((struct hostent *, struct hostent_data *));
#if defined(_AIX)
void sethostent_r __P((int, struct hostent_data *));
#else
int sethostent_r __P((int, struct hostent_data *));
#endif
#if defined(__hpux)
int endhostent_r __P((struct hostent_data *));
#else
void endhostent_r __P((struct hostent_data *));
#endif
#ifdef __hpux
int getnetbyaddr_r __P((int, int,
struct netent *, struct netent_data *));
#else
int getnetbyaddr_r __P((long, int,
struct netent *, struct netent_data *));
#endif
int getnetbyname_r __P((const char *,
struct netent *, struct netent_data *));
int getnetent_r __P((struct netent *, struct netent_data *));
int setnetent_r __P((int, struct netent_data *));
#ifdef __hpux
int endnetent_r __P((struct netent_data *buffer));
#else
void endnetent_r __P((struct netent_data *buffer));
#endif
int getprotobyname_r __P((const char *,
struct protoent *, struct protoent_data *));
int getprotobynumber_r __P((int,
struct protoent *, struct protoent_data *));
int getprotoent_r __P((struct protoent *, struct protoent_data *));
int setprotoent_r __P((int, struct protoent_data *));
#ifdef __hpux
int endprotoent_r __P((struct protoent_data *));
#else
void endprotoent_r __P((struct protoent_data *));
#endif
int getservbyname_r __P((const char *, const char *,
struct servent *, struct servent_data *));
int getservbyport_r __P((int, const char *,
struct servent *, struct servent_data *));
int getservent_r __P((struct servent *, struct servent_data *));
int setservent_r __P((int, struct servent_data *));
#ifdef __hpux
int endservent_r __P((struct servent_data *));
#else
void endservent_r __P((struct servent_data *));
#endif
#else
/* defined(sun) || defined(bsdi) */
struct hostent *gethostbyaddr_r __P((const char *, int, int, struct hostent *,
char *, int, int *));
struct hostent *gethostbyname_r __P((const char *, struct hostent *,
char *, int, int *));
struct hostent *gethostent_r __P((struct hostent *, char *, int, int *));
void sethostent_r __P((int));
void endhostent_r __P((void));
struct netent *getnetbyname_r __P((const char *, struct netent *,
char *, int));
struct netent *getnetbyaddr_r __P((long, int, struct netent *,
char *, int));
struct netent *getnetent_r __P((struct netent *, char *, int));
void setnetent_r __P((int));
void endnetent_r __P((void));
struct protoent *getprotobyname_r __P((const char *,
struct protoent *, char *, int));
struct protoent *getprotobynumber_r __P((int,
struct protoent *, char *, int));
struct protoent *getprotoent_r __P((struct protoent *, char *, int));
void setprotoent_r __P((int));
void endprotoent_r __P((void));
struct servent *getservbyname_r __P((const char *name, const char *,
struct servent *, char *, int));
struct servent *getservbyport_r __P((int port, const char *,
struct servent *, char *, int));
struct servent *getservent_r __P((struct servent *, char *, int));
void setservent_r __P((int));
void endservent_r __P((void));
#endif
#endif
__END_DECLS
/* This is nec'y to make this include file properly replace the sun version. */
#ifdef sun
#ifdef __GNU_LIBRARY__
#include <rpc/netdb.h>
#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_ */