IABSD.fr/src/include/netdb.h

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• Author : deraadt
  Date : 2015-01-18 20:29:31
  Hash : e87170bb
  Message : Stop including <sys/param.h> from <netdb.h>. Portable software must either include <sys/param.h> (to operate in legacy mode) or if it wishes to operate in the POSIX world use <limits.h> ok guenther millert doug naddy

• include/netdb.h

• /*	$OpenBSD: netdb.h,v 1.33 2015/01/18 20:29:31 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. 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--
   */
  
  /*
   * Copyright (c) 1995, 1996, 1997, 1998, 1999 Craig Metz. 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. Neither the name of the author nor the names of any 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
   *	$From: netdb.h,v 8.7 1996/05/09 05:59:09 vixie Exp $
   */
  
  #ifndef _NETDB_H_
  #define _NETDB_H_
  
  #include <netinet/in.h>
  
  #ifndef	_SOCKLEN_T_DEFINED_
  #define	_SOCKLEN_T_DEFINED_
  typedef	__socklen_t	socklen_t;	/* length type for network syscalls */
  #endif
  
  #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"
  
  /*
   * 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 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 # */
  };
  
  #if __BSD_VISIBLE || __POSIX_VISIBLE < 200809
  extern int h_errno;
  
  /*
   * 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 */
  #endif /* __BSD_VISIBLE || __POSIX_VISIBLE < 200809 */
  
  /* 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 hostname lookup */
  #define AI_EXT		8	/* enable non-portable extensions */
  #define AI_NUMERICSERV	16	/* don't ever try servname lookup */
  #define AI_FQDN		32	/* return the FQDN that was resolved */
  #define AI_ADDRCONFIG	64	/* return configured address families only */
  /* valid flags for addrinfo */
  #define AI_MASK \
      (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV | AI_FQDN | \
       AI_ADDRCONFIG)
  
  #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_NUMERICSCOPE	32	 return the scope number, not the name */
  
  #if __BSD_VISIBLE
  #define NI_MAXHOST	256	/* max host name from getnameinfo (MAXHOSTNAMELEN) */
  #define NI_MAXSERV	32	/* max serv. name length returned by getnameinfo */
  
  /*
   * Scope delimit character (KAME hack)
   */
  #define SCOPE_DELIMITER '%'
  #endif
  
  #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) */
  #define EAI_BADHINTS	-12	/* invalid value for hints */
  #define EAI_PROTOCOL	-13	/* resolved protocol is unknown */
  #define EAI_OVERFLOW	-14	/* argument buffer overflow */
  
  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 */
  	socklen_t 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 */
  };
   
  #if __BSD_VISIBLE
  /*
   * Flags for getrrsetbyname()
   */
  #define RRSET_VALIDATED		1
  
  /*
   * Return codes for getrrsetbyname()
   */
  #define ERRSET_SUCCESS		0
  #define ERRSET_NOMEMORY		1
  #define ERRSET_FAIL		2
  #define ERRSET_INVAL		3
  #define ERRSET_NONAME		4
  #define ERRSET_NODATA		5
  
  /*
   * Structures used by getrrsetbyname() and freerrset()
   */
  struct rdatainfo {
  	unsigned int		rdi_length;	/* length of data */
  	unsigned char		*rdi_data;	/* record data */
  };
  
  struct rrsetinfo {
  	unsigned int		rri_flags;	/* RRSET_VALIDATED ... */
  	unsigned int		rri_rdclass;	/* class number */
  	unsigned int		rri_rdtype;	/* RR type number */
  	unsigned int		rri_ttl;	/* time to live */
  	unsigned int		rri_nrdatas;	/* size of rdatas array */
  	unsigned int		rri_nsigs;	/* size of sigs array */
  	char			*rri_name;	/* canonical name */
  	struct rdatainfo	*rri_rdatas;	/* individual records */
  	struct rdatainfo	*rri_sigs;	/* individual signatures */
  };
  
  struct servent_data {
  	void *fp;
  	char **aliases;
  	int maxaliases;
  	int stayopen;
  	char *line;
  };
  
  struct protoent_data {
  	void *fp;
  	char **aliases;
  	int maxaliases;
  	int stayopen;
  	char *line;
  };
  #endif
  
  __BEGIN_DECLS
  void		endhostent(void);
  void		endnetent(void);
  void		endprotoent(void);
  void		endservent(void);
  #if __BSD_VISIBLE || __POSIX_VISIBLE < 200809
  struct hostent	*gethostbyaddr(const void *, socklen_t, int);
  struct hostent	*gethostbyname(const char *);
  #endif
  #if __BSD_VISIBLE
  struct hostent	*gethostbyname2(const char *, int);
  #endif
  struct hostent	*gethostent(void);
  struct netent	*getnetbyaddr(in_addr_t, int);
  struct netent	*getnetbyname(const char *);
  struct netent	*getnetent(void);
  struct protoent	*getprotobyname(const char *);
  struct protoent	*getprotobynumber(int);
  struct protoent	*getprotoent(void);
  struct servent	*getservbyname(const char *, const char *);
  struct servent	*getservbyport(int, const char *);
  struct servent	*getservent(void);
  #if __BSD_VISIBLE
  void		herror(const char *);
  const char	*hstrerror(int);
  #endif
  void		sethostent(int);
  /* void		sethostfile(const char *); */
  void		setnetent(int);
  void		setprotoent(int);
  void		setservent(int);
  
  #if __BSD_VISIBLE
  void		endprotoent_r(struct protoent_data *);
  void		endservent_r(struct servent_data *);
  int		getprotobyname_r(const char *, struct protoent *,
  		    struct protoent_data *);
  int		getprotobynumber_r(int, struct protoent *,
  		    struct protoent_data *);
  int		getservbyname_r(const char *, const char *, struct servent *,
  		    struct servent_data *);
  int		getservbyport_r(int, const char *, struct servent *,
  		    struct servent_data *);
  int		getservent_r(struct servent *, struct servent_data *);
  int		getprotoent_r(struct protoent *, struct protoent_data *);
  void		setprotoent_r(int, struct protoent_data *);
  void		setservent_r(int, struct servent_data *);
  #endif
  
  int		getaddrinfo(const char *, const char *,
  		    const struct addrinfo *, struct addrinfo **);
  void		freeaddrinfo(struct addrinfo *);
  int		getnameinfo(const struct sockaddr *, socklen_t,
  		    char *, size_t, char *, size_t, int);
  const char	*gai_strerror(int);
  
  #if __BSD_VISIBLE
  int		getrrsetbyname(const char *, unsigned int, unsigned int, unsigned int, struct rrsetinfo **);
  void		freerrset(struct rrsetinfo *);
  #endif
  __END_DECLS
  
  #endif /* !_NETDB_H_ */