Subversion Repositories SvarDOS

/*!\file netdb.h

 * BSD netdb functions.

 */

/*-

 * 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.

 *

 *      @(#)netdb.h     8.1 (Berkeley) 6/2/93

 *      $Id: netdb.h,v 1.5 1996/08/29 20:00:56 peter Exp $

 * -

 * 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--

 */

#ifndef __NETDB_H

#define __NETDB_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

#ifndef __SYS_W32API_H

#include <sys/w32api.h>

#endif

#ifndef __SYS_SOCKET_H

#include <sys/socket.h> /* struct sockaddr */

#endif

#ifndef __SYS_CDEFS_H

#include <sys/cdefs.h>

#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 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 # */

     };

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 */

       int     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).

 */

W32_DATA 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 /* 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)

#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 '%'

__BEGIN_DECLS

W32_FUNC void              W32_CALL endhostent     (void);

W32_FUNC void              W32_CALL endnetent      (void);

W32_FUNC void              W32_CALL endprotoent    (void);

W32_FUNC void              W32_CALL endservent     (void);

W32_FUNC struct hostent  * W32_CALL gethostbyaddr  (const char *, int, int);

W32_FUNC struct hostent  * W32_CALL gethostbyname  (const char *);

W32_FUNC struct hostent  * W32_CALL gethostbyname2 (const char *, int af);

W32_FUNC struct hostent  * W32_CALL gethostent     (void);

W32_FUNC struct hostent  * W32_CALL getipnodebyaddr(const void *, size_t, int, int *);

W32_FUNC struct hostent  * W32_CALL getipnodebyname(const char *, int, int, int *);

W32_FUNC struct netent   * W32_CALL getnetbyaddr   (long, int);

W32_FUNC struct netent   * W32_CALL getnetbyname   (const char *);

W32_FUNC struct netent   * W32_CALL getnetent      (void);

W32_FUNC struct protoent * W32_CALL getprotobyname (const char *);

W32_FUNC struct protoent * W32_CALL getprotobynumber (int);

W32_FUNC struct protoent * W32_CALL getprotoent    (void);

W32_FUNC struct servent  * W32_CALL getservbyname  (const char *, const char *);

W32_FUNC struct servent  * W32_CALL getservbyport  (int, const char *);

W32_FUNC struct servent  * W32_CALL getservent     (void);

W32_FUNC void              W32_CALL herror         (const char *);

W32_FUNC const char      * W32_CALL hstrerror      (int);

W32_FUNC void              W32_CALL sethostent     (int);

W32_FUNC void              W32_CALL setnetent      (int);

W32_FUNC void              W32_CALL setprotoent    (int);

W32_FUNC void              W32_CALL setservent     (int);

W32_FUNC int W32_CALL getnameinfo (const struct sockaddr *sa, int salen,

                                   char *host, int hostlen,

                                   char *serv, int servlen, int flags);

W32_FUNC int W32_CALL getaddrinfo (const char *hostname, const char *servname,

                                   const struct addrinfo *hints, struct addrinfo **res);

W32_FUNC void   W32_CALL freeaddrinfo (struct addrinfo *ai);

W32_FUNC void   W32_CALL freehostent  (struct hostent *);

W32_FUNC char * W32_CALL gai_strerror (int ecode);

W32_FUNC int    W32_CALL if_nametoindex (const char *);

W32_FUNC char * W32_CALL if_indextoname (int, char *);

W32_FUNC int  * W32_CALL __h_errno_location (void);

#if defined(_REENTRANT)

W32_FUNC struct hostent * W32_CALL gethostbyaddr_r (

  const char *addr, int len, int type, struct hostent *result,

  char *buffer, int buflen, int *h_errnop);

W32_FUNC struct hostent * W32_CALL gethostbyname_r (

  const char *name, struct hostent *result,

  char *buffer, int buflen, int *h_errnop);

W32_FUNC struct hostent * W32_CALL gethostent_r (

  struct hostent *result, char *buffer, int buflen, int *h_errnop);

W32_FUNC struct netent * W32_CALL getnetbyaddr_r (

  long net, int type, struct netent *result, char *buffer, int buflen);

W32_FUNC struct netent * W32_CALL getnetbyname_r (

  const char *name, struct netent *result, char *buffer, int buflen);

W32_FUNC struct netent * W32_CALL getnetent_r (

  struct netent *result, char *buffer, int buflen);

W32_FUNC struct protoent * W32_CALL getprotobyname_r (

  const char *name, struct protoent *result, char *buffer, int buflen);

W32_FUNC struct protoent * W32_CALL getprotobynumber_r (

  int proto, struct protoent *result, char *buffer, int buflen);

W32_FUNC struct protoent * W32_CALL getprotoent_r (

  struct protoent *result, char *buffer, int buflen);

W32_FUNC struct servent * W32_CALL getservbyname_r (

  const char *name, const char *proto, struct servent *result,

  char *buffer, int buflen);

W32_FUNC struct servent * W32_CALL getservbyport_r (

  int port, const char *proto, struct servent *result,

  char *buffer, int buflen);

W32_FUNC struct servent * W32_CALL getservent_r (

  struct servent *result, char *buffer, int buflen);

#endif /* _REENTRANT */

__END_DECLS

#endif