OpenSolaris_b135/head/netdb.h
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* BIND 4.9.3:
*
* 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--
*
* End BIND 4.9.3
*/
/*
* 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).
*/
#ifndef _NETDB_H
#define _NETDB_H
#include <sys/types.h>
#include <netinet/in.h>
#if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
#include <sys/socket.h>
#endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
#include <sys/feature_tests.h>
#ifdef __cplusplus
extern "C" {
#endif
#define _PATH_HEQUIV "/etc/hosts.equiv"
#define _PATH_HOSTS "/etc/hosts"
#define _PATH_IPNODES "/etc/inet/ipnodes"
#define _PATH_IPSECALGS "/etc/inet/ipsecalgs"
#define _PATH_NETMASKS "/etc/netmasks"
#define _PATH_NETWORKS "/etc/networks"
#define _PATH_PROTOCOLS "/etc/protocols"
#define _PATH_SERVICES "/etc/services"
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 */
};
/*
* addrinfo introduced with IPv6 for Protocol-Independent Hostname
* and Service Name Translation.
*/
#if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
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 */
#ifdef __sparcv9
int _ai_pad; /* for backwards compat with old size_t */
#endif /* __sparcv9 */
socklen_t ai_addrlen;
char *ai_canonname; /* canonical name for hostname */
struct sockaddr *ai_addr; /* binary address */
struct addrinfo *ai_next; /* next structure in linked list */
};
/* addrinfo flags */
#define AI_PASSIVE 0x0008 /* intended for bind() + listen() */
#define AI_CANONNAME 0x0010 /* return canonical version of host */
#define AI_NUMERICHOST 0x0020 /* use numeric node address string */
#define AI_NUMERICSERV 0x0040 /* servname is assumed numeric */
/* getipnodebyname() flags */
#define AI_V4MAPPED 0x0001 /* IPv4 mapped addresses if no IPv6 */
#define AI_ALL 0x0002 /* IPv6 and IPv4 mapped addresses */
#define AI_ADDRCONFIG 0x0004 /* AAAA or A records only if IPv6/IPv4 cnfg'd */
/*
* These were defined in RFC 2553 but not SUSv3
* or RFC 3493 which obsoleted 2553.
*/
#if !defined(_XPG6) || defined(__EXTENSIONS__)
#define AI_DEFAULT (AI_V4MAPPED | AI_ADDRCONFIG)
/* addrinfo errors */
#define EAI_ADDRFAMILY 1 /* address family not supported */
#define EAI_NODATA 7 /* no address */
#endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
#define EAI_AGAIN 2 /* DNS temporary failure */
#define EAI_BADFLAGS 3 /* invalid ai_flags */
#define EAI_FAIL 4 /* DNS non-recoverable failure */
#define EAI_FAMILY 5 /* ai_family not supported */
#define EAI_MEMORY 6 /* memory allocation failure */
#define EAI_NONAME 8 /* host/servname 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 in errno */
#define EAI_OVERFLOW 12 /* argument buffer overflow */
#define EAI_PROTOCOL 13
#define EAI_MAX 14
/* getnameinfo flags */
#define NI_NOFQDN 0x0001
#define NI_NUMERICHOST 0x0002 /* return numeric form of address */
#define NI_NAMEREQD 0x0004 /* request DNS name */
#define NI_NUMERICSERV 0x0008
#define NI_DGRAM 0x0010
#if !defined(_XPG6) || defined(__EXTENSIONS__)
/* Not listed in any standards document */
#define NI_WITHSCOPEID 0x0020
#define NI_NUMERICSCOPE 0x0040
/* getnameinfo max sizes as defined in RFC 2553 obsoleted in RFC 3493 */
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
#endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
#endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
/*
* Scope delimit character
*/
#define SCOPE_DELIMITER '%'
/*
* Algorithm entry for /etc/inet/ipsecalgs which defines IPsec protocols
* and algorithms.
*/
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
typedef struct ipsecalgent {
char **a_names; /* algorithm names */
int a_proto_num; /* protocol number */
int a_alg_num; /* algorithm number */
char *a_mech_name; /* encryption framework mechanism name */
int *a_block_sizes; /* supported block sizes */
int *a_key_sizes; /* supported key sizes */
int a_key_increment; /* key size increment */
int *a_mech_params; /* mechanism specific parameters */
int a_alg_flags; /* algorithm flags */
} ipsecalgent_t;
/* well-known IPsec protocol numbers */
#define IPSEC_PROTO_AH 2
#define IPSEC_PROTO_ESP 3
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
/*
* 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 */
in_addr_t n_net; /* network # */
};
struct protoent {
char *p_name; /* official protocol name */
char **p_aliases; /* alias list */
int p_proto; /* protocol # */
};
struct servent {
char *s_name; /* official service name */
char **s_aliases; /* alias list */
int s_port; /* port # */
char *s_proto; /* protocol to use */
};
#ifdef __STDC__
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
struct hostent *gethostbyname_r
(const char *, struct hostent *, char *, int, int *h_errnop);
struct hostent *gethostbyaddr_r
(const char *, int, int, struct hostent *, char *, int, int *h_errnop);
struct hostent *getipnodebyname(const char *, int, int, int *);
struct hostent *getipnodebyaddr(const void *, size_t, int, int *);
void freehostent(struct hostent *);
struct hostent *gethostent_r(struct hostent *, char *, int, int *h_errnop);
struct servent *getservbyname_r
(const char *name, const char *, struct servent *, char *, int);
struct servent *getservbyport_r
(int port, const char *, struct servent *, char *, int);
struct servent *getservent_r(struct servent *, char *, int);
struct netent *getnetbyname_r
(const char *, struct netent *, char *, int);
struct netent *getnetbyaddr_r(long, int, struct netent *, char *, int);
struct netent *getnetent_r(struct netent *, char *, int);
struct protoent *getprotobyname_r
(const char *, struct protoent *, char *, int);
struct protoent *getprotobynumber_r
(int, struct protoent *, char *, int);
struct protoent *getprotoent_r(struct protoent *, char *, int);
int getnetgrent_r(char **, char **, char **, char *, int);
int innetgr(const char *, const char *, const char *, const char *);
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
/* Old interfaces that return a pointer to a static area; MT-unsafe */
struct hostent *gethostbyname(const char *);
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);
/* gethostbyaddr() second argument is a size_t only in unix95/unix98 */
#if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
struct hostent *gethostbyaddr(const void *, socklen_t, int);
#else
struct hostent *gethostbyaddr(const void *, size_t, int);
#endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
int endhostent(void);
int endnetent(void);
int endprotoent(void);
int endservent(void);
int sethostent(int);
int setnetent(int);
int setprotoent(int);
int setservent(int);
#else
void endhostent(void);
void endnetent(void);
void endprotoent(void);
void endservent(void);
void sethostent(int);
void setnetent(int);
void setprotoent(int);
void setservent(int);
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
#if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
#ifdef _XPG6
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname getaddrinfo __xnet_getaddrinfo
#else /* __PRAGMA_REDEFINE_EXTNAME */
#define getaddrinfo __xnet_getaddrinfo
#endif /* __PRAGMA_REDEFINE_EXTNAME */
#endif /* _XPG6 */
int getaddrinfo(const char *_RESTRICT_KYWD,
const char *_RESTRICT_KYWD,
const struct addrinfo *_RESTRICT_KYWD,
struct addrinfo **_RESTRICT_KYWD);
void freeaddrinfo(struct addrinfo *);
const char *gai_strerror(int);
int getnameinfo(const struct sockaddr *_RESTRICT_KYWD,
socklen_t, char *_RESTRICT_KYWD, socklen_t,
char *_RESTRICT_KYWD, socklen_t, int);
#endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
int getnetgrent(char **, char **, char **);
int setnetgrent(const char *);
int endnetgrent(void);
int rcmd(char **, unsigned short,
const char *, const char *, const char *, int *);
int rcmd_af(char **, unsigned short,
const char *, const char *, const char *, int *, int);
int rresvport_af(int *, int);
int rresvport_addr(int *, struct sockaddr_storage *);
int rexec(char **, unsigned short,
const char *, const char *, const char *, int *);
int rexec_af(char **, unsigned short,
const char *, const char *, const char *, int *, int);
int rresvport(int *);
int ruserok(const char *, int, const char *, const char *);
/* BIND */
struct hostent *gethostbyname2(const char *, int);
void herror(const char *);
const char *hstrerror(int);
/* End BIND */
/* IPsec algorithm prototype definitions */
struct ipsecalgent *getipsecalgbyname(const char *, int, int *);
struct ipsecalgent *getipsecalgbynum(int, int, int *);
int getipsecprotobyname(const char *doi_name);
char *getipsecprotobynum(int doi_domain);
void freeipsecalgent(struct ipsecalgent *ptr);
/* END IPsec algorithm prototype definitions */
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
#else /* __STDC__ */
struct hostent *gethostbyname_r();
struct hostent *gethostbyaddr_r();
struct hostent *getipnodebyname();
struct hostent *getipnodebyaddr();
void freehostent();
struct hostent *gethostent_r();
struct servent *getservbyname_r();
struct servent *getservbyport_r();
struct servent *getservent_r();
struct netent *getnetbyname_r();
struct netent *getnetbyaddr_r();
struct netent *getnetent_r();
struct protoent *getprotobyname_r();
struct protoent *getprotobynumber_r();
struct protoent *getprotoent_r();
int getnetgrent_r();
int innetgr();
/* Old interfaces that return a pointer to a static area; MT-unsafe */
struct hostent *gethostbyname();
struct hostent *gethostbyaddr();
struct hostent *gethostent();
struct netent *getnetbyname();
struct netent *getnetbyaddr();
struct netent *getnetent();
struct servent *getservbyname();
struct servent *getservbyport();
struct servent *getservent();
struct protoent *getprotobyname();
struct protoent *getprotobynumber();
struct protoent *getprotoent();
int getnetgrent();
int sethostent();
int endhostent();
int setnetent();
int endnetent();
int setservent();
int endservent();
int setprotoent();
int endprotoent();
int setnetgrent();
int endnetgrent();
int rcmd();
int rcmd_af();
int rexec();
int rexec_af();
int rresvport();
int rresvport_af();
int rresvport_addr();
int ruserok();
/* BIND */
struct hostent *gethostbyname2();
void herror();
char *hstrerror();
/* IPv6 prototype definitons */
int getaddrinfo();
void freeaddrinfo();
const char *gai_strerror();
int getnameinfo();
/* END IPv6 prototype definitions */
/* End BIND */
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
/* IPsec algorithm prototype definitions */
struct ipsecalgent *getalgbyname();
struct ipsecalgent *getalgbydoi();
int getdoidomainbyname();
const char *getdoidomainbynum();
void freealgent();
/* END IPsec algorithm prototype definitions */
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
#endif /* __STDC__ */
/*
* Error return codes from gethostbyname() and gethostbyaddr()
* (when using the resolver)
*/
extern int h_errno;
#ifdef _REENTRANT
#ifdef __STDC__
extern int *__h_errno(void);
#else
extern int *__h_errno();
#endif /* __STDC__ */
/* Only #define h_errno if there is no conflict with other use */
#ifdef H_ERRNO_IS_FUNCTION
#define h_errno (*__h_errno())
#endif /* NO_H_ERRNO_DEFINE */
#endif /* _REENTRANT */
/*
* Error return codes from gethostbyname() and gethostbyaddr()
* (left in extern int h_errno).
*/
#define HOST_NOT_FOUND 1 /* Authoritive 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 */
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#define NO_ADDRESS NO_DATA /* no address, look for MX record */
/* BIND */
#define NETDB_INTERNAL -1 /* see errno */
#define NETDB_SUCCESS 0 /* no problem */
/* End BIND */
#define MAXHOSTNAMELEN 256
#define MAXALIASES 35
#define MAXADDRS 35
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
#ifdef __cplusplus
}
#endif
#endif /* _NETDB_H */