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/*-
* 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--
*/
/*
* @(#)netdb.h 8.1 (Berkeley) 6/2/93
* From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
* $FreeBSD: src/include/netdb.h,v 1.23 2002/03/23 17:24:53 imp Exp $
*/
/* Copied from Linux, modified for Phoenix-RTOS. */
#ifndef _NETDB_H
#define _NETDB_H
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#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_NSSWITCH_CONF "/etc/nsswitch.conf"
extern int *__h_errno_location(void);
#define h_errno (*(__h_errno_location()))
#define MAXALIASES 35
/* For now, only support one return address. */
#define MAXADDRS 2
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 */
char *h_addr; /* Address, for backward compatibility */
/* Private data, for re-entrancy */
char *__host_addrs[MAXADDRS];
char *__host_aliases[MAXALIASES];
unsigned int __host_addr[4];
};
/* Assumption here is that a network number fits in an unsigned long -- 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, AI_NUMERICHOST */
int ai_family; /* PF_xxx */
int ai_socktype; /* SOCK_xxx */
int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
size_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 */
};
/* 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, look for MX record */
/* Error return codes from getaddrinfo() */
#define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */
#define EAI_NONAME -2 /* NAME or SERVICE is unknown. */
#define EAI_AGAIN -3 /* Temporary failure in name resolution. */
#define EAI_FAIL -4 /* Non-recoverable failure in name res. */
#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 returned in `errno'. */
#define EAI_OVERFLOW -12 /* Argument buffer overflow. */
#ifdef __USE_GNU
#define EAI_INPROGRESS -100 /* Processing request in progress. */
#define EAI_CANCELED -101 /* Request canceled. */
#define EAI_NOTCANCELED -102 /* Request not canceled. */
#define EAI_ALLDONE -103 /* All requests done. */
#define EAI_INTR -104 /* Interrupted by a signal. */
#define EAI_IDN_ENCODE -105 /* IDN encoding failed. */
#endif
/* 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 */
#define AI_NUMERICSERV 0x00000008 /* Fon't use name resolution. */
/* Valid flags for addrinfo */
#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_ADDRCONFIG)
#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 '%'
void endhostent();
void endnetent();
void endnetgrent();
void endprotoent();
void endservent();
void freehostent(struct hostent *ip);
struct hostent *gethostbyaddr(const void *name, socklen_t len, int type);
struct hostent *gethostbyname(const char *name);
struct hostent *gethostbyname2(const char *name, int af);
struct hostent *gethostent();
struct hostent *getipnodebyaddr(const void *addr, size_t len, int af, int *error_num);
struct hostent *getipnodebyname(const char *name, int af, int flags, int *error_num);
struct netent *getnetbyaddr(uint32_t net, int type);
struct netent *getnetbyname(const char *name);
struct netent *getnetent();
int getnetgrent(char **host, char **user, char **domain);
struct protoent *getprotobyname(const char *name);
struct protoent *getprotobynumber(int proto);
struct protoent *getprotoent();
struct servent *getservbyname(const char *name, const char *proto);
struct servent *getservbyport(int name, const char *proto);
struct servent *getservent();
void herror(const char *s);
const char *hstrerror(int err);
int innetgr(const char *netgroup, const char *host, const char *user, const char *domain);
void sethostent(int stayopen);
void setnetent(int stayopen);
void setprotoent(int stayopen);
int getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res);
int getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, socklen_t hostlen, char *serv, socklen_t servlen, int flags);
void freeaddrinfo(struct addrinfo *res);
char *gai_strerror(int errcode);
int setnetgrent(const char *netgroup);
void setservent(int stayopen);
#endif
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