minix/include/net/gen/netdb.h

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/*-
* Copyright (c) 1980, 1983, 1988 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.
*
* @(#)netdb.h 5.15 (Berkeley) 4/3/91
*/
#ifndef _NETDB_H_
#define _NETDB_H_
#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"
#define _PATH_SERVACCES "/etc/serv.access"
/*
* 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 32 bits -- 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 # */
};
/*
* Error return codes from gethostbyname() and gethostbyaddr()
* (left in extern int h_errno).
*/
extern int h_errno;
#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 */
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#ifndef _MINIX_ANSI_H
#include <minix/ansi.h>
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#endif
void endhostent _ARGS((void));
void endnetent _ARGS((void));
void endprotoent _ARGS((void));
void endservent _ARGS((void));
struct hostent *gethostbyaddr _ARGS((const char *, int, int));
struct hostent *gethostbyname _ARGS((const char *));
struct hostent *gethostent _ARGS((void));
struct netent *getnetbyaddr _ARGS((long, int)); /* u_long? */
struct netent *getnetbyname _ARGS((const char *));
struct netent *getnetent _ARGS((void));
struct protoent *getprotobyname _ARGS((const char *));
struct protoent *getprotobynumber _ARGS((int));
struct protoent *getprotoent _ARGS((void));
struct servent *getservbyname _ARGS((const char *, const char *));
struct servent *getservbyport _ARGS((int, const char *));
struct servent *getservent _ARGS((void));
void herror _ARGS((const char *));
void sethostent _ARGS((int));
/* void sethostfile _ARGS((const char *)); */
void setnetent _ARGS((int));
void setprotoent _ARGS((int));
void setservent _ARGS((int));
#ifdef _MINIX
int servxcheck _ARGS((unsigned long _peer, const char *_service,
void (*_logf) _ARGS((int _pass, const char *_name))));
char *servxfile _ARGS((const char *_file));
#endif
/*
* The definitions below are based on
* http://www.opengroup.org/onlinepubs/009695399/basedefs/netdb.h.html
*/
#ifdef _POSIX_SOURCE
/* headers exposed by netdb.h */
#include <inttypes.h>
#include <netinet/in.h>
#include <sys/socket.h>
/* struct for use with getaddrinfo() */
struct addrinfo
{
int ai_flags; /* Input flags */
int ai_family; /* Address family of socket */
int ai_socktype; /* Socket type */
int ai_protocol; /* Protocol of socket */
socklen_t ai_addrlen; /* Length of socket address */
struct sockaddr *ai_addr; /* Socket address of socket */
char *ai_canonname; /* Canonical name of service location */
struct addrinfo *ai_next; /* Pointer to next in list */
};
/* values for struct addrinfo.ai_flags */
#define AI_PASSIVE 0x00000001
#define AI_CANONNAME 0x00000002
#define AI_NUMERICHOST 0x00000004
#define AI_NUMERICSERV 0x00000008
/*
#define AI_V4MAPPED 0x00000010
#define AI_ALL 0x00000020
#define AI_ADDRCONFIG 0x00000040
*/
/* flags for getnameinfo() */
/* #define NI_NOFQDN 0x00000001 */
#define NI_NUMERICHOST 0x00000002
#define NI_NAMEREQD 0x00000004
#define NI_NUMERICSERV 0x00000008
/* #define NI_NUMERICSCOPE 0x00000010 */
#define NI_DGRAM 0x00000020
/* error values for getaddrinfo() and getnameinfo() */
#define EAI_AGAIN 1
#define EAI_BADFLAGS 2
#define EAI_FAIL 3
#define EAI_FAMILY 4
#define EAI_MEMORY 5
#define EAI_NONAME 6
#define EAI_SERVICE 7
#define EAI_SOCKTYPE 8
#define EAI_SYSTEM 9
#define EAI_OVERFLOW 10
/* getaddrinfo() and friends */
void freeaddrinfo(struct addrinfo *ai);
int getaddrinfo(const char *nodename,
const char *servname,
const struct addrinfo *hints,
struct addrinfo **res);
int getnameinfo(const struct sockaddr *sa, socklen_t salen,
char *node, socklen_t nodelen, char *service,
socklen_t servicelen, int flags);
const char *gai_strerror(int ecode);
#endif
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#endif /* !_NETDB_H_ */