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- /*-
- * SPDX-License-Identifier: (BSD-3-Clause AND ISC)
- *
- * 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--
- */
- /*
- * From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
- */
- #ifndef _NETDB_H_
- #define _NETDB_H_
- #include <sys/cdefs.h>
- #include <sys/_types.h>
- #ifndef _IN_ADDR_T_DECLARED
- typedef __uint32_t in_addr_t;
- #define _IN_ADDR_T_DECLARED
- #endif
- #ifndef _IN_PORT_T_DECLARED
- typedef __uint16_t in_port_t;
- #define _IN_PORT_T_DECLARED
- #endif
- #ifndef _SIZE_T_DECLARED
- typedef __size_t size_t;
- #define _SIZE_T_DECLARED
- #endif
- #ifndef _SOCKLEN_T_DECLARED
- typedef __socklen_t socklen_t;
- #define _SOCKLEN_T_DECLARED
- #endif
- #ifndef _UINT32_T_DECLARED
- typedef __uint32_t uint32_t;
- #define _UINT32_T_DECLARED
- #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"
- #define _PATH_SERVICES_DB "/var/db/services.db"
- #define h_errno (*__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 */
- };
- struct netent {
- char *n_name; /* official name of net */
- char **n_aliases; /* alias list */
- int n_addrtype; /* net address type */
- uint32_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 # */
- };
- struct addrinfo {
- int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
- int ai_family; /* AF_xxx */
- int ai_socktype; /* SOCK_xxx */
- int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
- socklen_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 */
- };
- #define IPPORT_RESERVED 1024
- /*
- * Error return codes from gethostbyname() and gethostbyaddr()
- * (left in 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 gai_strerror(3), see RFC 3493.
- */
- #if __BSD_VISIBLE /* not in POSIX */
- /* EAI_ADDRFAMILY was obsoleted by RFC 3493, used as extension */
- #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
- #endif
- #define EAI_AGAIN 2 /* name could not be resolved at this time */
- #define EAI_BADFLAGS 3 /* flags parameter had an invalid value */
- #define EAI_FAIL 4 /* non-recoverable failure in name resolution */
- #define EAI_FAMILY 5 /* address family not recognized */
- #define EAI_MEMORY 6 /* memory allocation failure */
- #if __BSD_VISIBLE /* not in POSIX */
- /* EAI_NODATA was obsoleted by RFC 3493, retained here as extension */
- #define EAI_NODATA 7 /* no address associated with hostname */
- #endif
- #define EAI_NONAME 8 /* name does not resolve */
- #define EAI_SERVICE 9 /* service not recognized for socket type */
- #define EAI_SOCKTYPE 10 /* intended socket type was not recognized */
- #define EAI_SYSTEM 11 /* system error returned in errno */
- #if __BSD_VISIBLE /* not in POSIX */
- /* The following 3 are not in RFC 3493 or POSIX, retained for compatibility */
- #define EAI_BADHINTS 12 /* invalid value for hints */
- #define EAI_PROTOCOL 13 /* resolved protocol is unknown */
- #define EAI_OVERFLOW 14 /* argument buffer overflow */
- #endif
- #define EAI_MAX 15
- /*
- * 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 host name resolution */
- #define AI_NUMERICSERV 0x00000008 /* prevent service name resolution */
- /* valid flags for addrinfo (not a standard def, apps should not use it) */
- #define AI_MASK \
- (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV | \
- AI_ADDRCONFIG | AI_ALL | AI_V4MAPPED)
- #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_NUMERICSCOPE 0x00000020
- /*
- * Scope delimit character
- */
- #define SCOPE_DELIMITER '%'
- __BEGIN_DECLS
- void endhostent(void);
- void endnetent(void);
- void endprotoent(void);
- void endservent(void);
- #if __BSD_VISIBLE || (__POSIX_VISIBLE && __POSIX_VISIBLE <= 200112)
- struct hostent *gethostbyaddr(const void *, socklen_t, int);
- struct hostent *gethostbyname(const char *);
- #endif
- struct hostent *gethostent(void);
- struct netent *getnetbyaddr(uint32_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);
- void sethostent(int);
- /* void sethostfile(const char *); */
- void setnetent(int);
- void setprotoent(int);
- int getaddrinfo(const char *, const char *,
- const struct addrinfo *, struct addrinfo **);
- int getnameinfo(const struct sockaddr *, socklen_t, char *,
- size_t, char *, size_t, int);
- void freeaddrinfo(struct addrinfo *);
- const char *gai_strerror(int);
- void setservent(int);
- #if __BSD_VISIBLE
- void endnetgrent(void);
- void freehostent(struct hostent *);
- int gethostbyaddr_r(const void *, socklen_t, int, struct hostent *,
- char *, size_t, struct hostent **, int *);
- int gethostbyname_r(const char *, struct hostent *, char *, size_t,
- struct hostent **, int *);
- struct hostent *gethostbyname2(const char *, int);
- int gethostbyname2_r(const char *, int, struct hostent *, char *,
- size_t, struct hostent **, int *);
- int gethostent_r(struct hostent *, char *, size_t,
- struct hostent **, int *);
- struct hostent *getipnodebyaddr(const void *, size_t, int, int *);
- struct hostent *getipnodebyname(const char *, int, int, int *);
- int getnetbyaddr_r(uint32_t, int, struct netent *, char *, size_t,
- struct netent**, int *);
- int getnetbyname_r(const char *, struct netent *, char *, size_t,
- struct netent **, int *);
- int getnetent_r(struct netent *, char *, size_t, struct netent **,
- int *);
- int getnetgrent(char **, char **, char **);
- int getnetgrent_r(char **, char **, char **, char *, size_t);
- int getprotobyname_r(const char *, struct protoent *, char *,
- size_t, struct protoent **);
- int getprotobynumber_r(int, struct protoent *, char *, size_t,
- struct protoent **);
- int getprotoent_r(struct protoent *, char *, size_t,
- struct protoent **);
- int getservbyname_r(const char *, const char *, struct servent *,
- char *, size_t, struct servent **);
- int getservbyport_r(int, const char *, struct servent *, char *,
- size_t, struct servent **);
- int getservent_r(struct servent *, char *, size_t,
- struct servent **);
- void herror(const char *);
- const char *hstrerror(int);
- int innetgr(const char *, const char *, const char *, const char *);
- void setnetgrent(const char *);
- #endif
- /*
- * PRIVATE functions specific to the FreeBSD implementation
- */
- /* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */
- int * __h_errno(void);
- __END_DECLS
- #endif /* !_NETDB_H_ */
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