268 lines
9.7 KiB
C
268 lines
9.7 KiB
C
/*-
|
|
* 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--
|
|
*/
|
|
|
|
/*
|
|
* @(#)netdb.h 8.1 (Berkeley) 6/2/93
|
|
* From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _NETDB_H_
|
|
#define _NETDB_H_
|
|
|
|
#include <machine/ansi.h>
|
|
#include <sys/cdefs.h>
|
|
|
|
#ifdef _BSD_SIZE_T_
|
|
typedef _BSD_SIZE_T_ size_t;
|
|
#undef _BSD_SIZE_T_
|
|
#endif
|
|
|
|
#ifndef _PATH_HEQUIV
|
|
# define _PATH_HEQUIV "/etc/hosts.equiv"
|
|
#endif
|
|
#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 compatibility */
|
|
};
|
|
|
|
/*
|
|
* 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, AI_NUMERICHOST */
|
|
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-Authoritative 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 /* get address to use bind() */
|
|
#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
|
|
#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
|
|
/* valid flags for addrinfo */
|
|
#define AI_MASK \
|
|
(AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_ADDRCONFIG)
|
|
|
|
#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
|
|
#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
|
|
#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
|
|
#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
|
|
/* special recommended flags for getipnodebyname */
|
|
#define AI_DEFAULT (AI_V4MAPPED_CFG | 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
|
|
|
|
/*
|
|
* Scope delimit character
|
|
*/
|
|
#define SCOPE_DELIMITER '%'
|
|
|
|
/*
|
|
* data types - basically forward decl for getnameinfo()
|
|
*/
|
|
#ifdef _BSD_SOCKLEN_T_
|
|
typedef _BSD_SOCKLEN_T_ socklen_t;
|
|
#undef _BSD_SOCKLEN_T_
|
|
#endif
|
|
|
|
__BEGIN_DECLS
|
|
void endhostent __P((void));
|
|
void endnetent __P((void));
|
|
void endnetgrent __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));
|
|
int getnetgrent __P((char **, char **, char **));
|
|
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));
|
|
int innetgr __P((const char *, const char *, const char *,
|
|
const char *));
|
|
void sethostent __P((int));
|
|
/* void sethostfile __P((const char *)); */
|
|
void setnetent __P((int));
|
|
void setprotoent __P((int));
|
|
int getaddrinfo __P((const char *, const char *,
|
|
const struct addrinfo *, struct addrinfo **));
|
|
int getnameinfo __P((const struct sockaddr *, socklen_t, char *,
|
|
size_t, char *, size_t, int));
|
|
void freeaddrinfo __P((struct addrinfo *));
|
|
char *gai_strerror __P((int));
|
|
void setnetgrent __P((const char *));
|
|
void setservent __P((int));
|
|
|
|
/*
|
|
* PRIVATE functions specific to the FreeBSD implementation
|
|
*/
|
|
|
|
/* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */
|
|
void _sethosthtent __P((int));
|
|
void _endhosthtent __P((void));
|
|
void _sethostdnsent __P((int));
|
|
void _endhostdnsent __P((void));
|
|
void _setnethtent __P((int));
|
|
void _endnethtent __P((void));
|
|
void _setnetdnsent __P((int));
|
|
void _endnetdnsent __P((void));
|
|
struct hostent * _gethostbynisname __P((const char *, int));
|
|
struct hostent * _gethostbynisaddr __P((const char *, int, int));
|
|
void _map_v4v6_address __P((const char *, char *));
|
|
void _map_v4v6_hostent __P((struct hostent *, char **, int *));
|
|
__END_DECLS
|
|
|
|
#endif /* !_NETDB_H_ */
|