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adamr |
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/* $Id: ares.h,v 1.8 2003/10/31 19:37:35 adamr Exp $ */ |
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/* Copyright 1998 by the Massachusetts Institute of Technology. |
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* |
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* Permission to use, copy, modify, and distribute this |
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* software and its documentation for any purpose and without |
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* fee is hereby granted, provided that the above copyright |
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* notice appear in all copies and that both that copyright |
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* notice and this permission notice appear in supporting |
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* documentation, and that the name of M.I.T. not be used in |
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* advertising or publicity pertaining to distribution of the |
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* software without specific, written prior permission. |
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* M.I.T. makes no representations about the suitability of |
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* this software for any purpose. It is provided "as is" |
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* without express or implied warranty. |
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*/ |
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#ifndef ARES__H |
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#define ARES__H |
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#ifdef WIN32 |
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#include <errno.h> |
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#include <winsock2.h> |
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#include <io.h> |
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#include <string.h> |
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#include <stdio.h> |
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adamr |
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#elif !defined(__CYGWIN__) |
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#include <arpa/nameser.h> |
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#include <arpa/nameser_compat.h> |
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#endif |
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#include <sys/types.h> |
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//#include <netinet/in.h> |
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#define ARES_SUCCESS 0 |
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/* Server error codes (ARES_ENODATA indicates no relevant answer) */ |
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#define ARES_ENODATA 1 |
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#define ARES_EFORMERR 2 |
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#define ARES_ESERVFAIL 3 |
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#define ARES_ENOTFOUND 4 |
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#define ARES_ENOTIMP 5 |
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#define ARES_EREFUSED 6 |
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/* Locally generated error codes */ |
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#define ARES_EBADQUERY 7 |
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#define ARES_EBADNAME 8 |
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#define ARES_EBADFAMILY 9 |
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#define ARES_EBADRESP 10 |
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#define ARES_ECONNREFUSED 11 |
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#define ARES_ETIMEOUT 12 |
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#define ARES_EOF 13 |
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#define ARES_EFILE 14 |
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#define ARES_ENOMEM 15 |
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#define ARES_EDESTRUCTION 16 |
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/* Flag values */ |
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#define ARES_FLAG_USEVC (1 << 0) |
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#define ARES_FLAG_PRIMARY (1 << 1) |
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#define ARES_FLAG_IGNTC (1 << 2) |
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#define ARES_FLAG_NORECURSE (1 << 3) |
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#define ARES_FLAG_STAYOPEN (1 << 4) |
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#define ARES_FLAG_NOSEARCH (1 << 5) |
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#define ARES_FLAG_NOALIASES (1 << 6) |
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#define ARES_FLAG_NOCHECKRESP (1 << 7) |
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/* Option mask values */ |
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#define ARES_OPT_FLAGS (1 << 0) |
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#define ARES_OPT_TIMEOUT (1 << 1) |
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#define ARES_OPT_TRIES (1 << 2) |
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#define ARES_OPT_NDOTS (1 << 3) |
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#define ARES_OPT_UDP_PORT (1 << 4) |
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#define ARES_OPT_TCP_PORT (1 << 5) |
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#define ARES_OPT_SERVERS (1 << 6) |
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#define ARES_OPT_DOMAINS (1 << 7) |
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#define ARES_OPT_LOOKUPS (1 << 8) |
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struct ares_options { |
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int flags; |
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int timeout; |
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int tries; |
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int ndots; |
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unsigned short udp_port; |
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unsigned short tcp_port; |
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struct in_addr *servers; |
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int nservers; |
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char **domains; |
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int ndomains; |
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char *lookups; |
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}; |
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struct hostent; |
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struct timeval; |
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struct ares_channeldata; |
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typedef struct ares_channeldata *ares_channel; |
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typedef void (*ares_callback)(void *arg, int status, unsigned char *abuf, |
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int alen); |
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typedef void (*ares_host_callback)(void *arg, int status, |
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struct hostent *hostent); |
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int ares_init(ares_channel *channelptr); |
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int ares_init_options(ares_channel *channelptr, struct ares_options *options, |
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int optmask); |
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void ares_destroy(ares_channel channel); |
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void ares_send(ares_channel channel, const unsigned char *qbuf, int qlen, |
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ares_callback callback, void *arg); |
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void ares_query(ares_channel channel, const char *name, int dnsclass, |
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int type, ares_callback callback, void *arg); |
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void ares_search(ares_channel channel, const char *name, int dnsclass, |
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int type, ares_callback callback, void *arg); |
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void ares_gethostbyname(ares_channel channel, const char *name, int family, |
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ares_host_callback callback, void *arg); |
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void ares_gethostbyaddr(ares_channel channel, const void *addr, int addrlen, |
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int family, ares_host_callback callback, void *arg); |
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int ares_fds(ares_channel channel, fd_set *read_fds, fd_set *write_fds); |
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struct timeval *ares_timeout(ares_channel channel, struct timeval *maxtv, |
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struct timeval *tv); |
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void ares_process(ares_channel channel, fd_set *read_fds, fd_set *write_fds); |
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int ares_mkquery(const char *name, int dnsclass, int type, unsigned short id, |
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int rd, unsigned char **buf, int *buflen); |
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int ares_expand_name(const unsigned char *encoded, const unsigned char *abuf, |
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int alen, char **s, int *enclen); |
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int ares_parse_a_reply(const unsigned char *abuf, int alen, |
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struct hostent **host); |
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int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr, |
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int addrlen, int family, struct hostent **host); |
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void ares_free_string(char *str); |
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void ares_free_hostent(struct hostent *host); |
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const char *ares_strerror(int code, char **memptr); |
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void ares_free_errmem(char *mem); |
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fluffy |
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adamr |
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#if defined(WIN32) || defined (__CYGWIN__) |
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fluffy |
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#define T_A 1 /* host address */ |
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#define T_NS 2 /* authoritative server */ |
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#define T_MD 3 /* mail destination */ |
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#define T_MF 4 /* mail forwarder */ |
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#define T_CNAME 5 /* canonical name */ |
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#define T_SOA 6 /* start of authority zone */ |
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#define T_MB 7 /* mailbox domain name */ |
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#define T_MG 8 /* mail group member */ |
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#define T_MR 9 /* mail rename name */ |
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#define T_NULL 10 /* null resource record */ |
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#define T_WKS 11 /* well known service */ |
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#define T_PTR 12 /* domain name pointer */ |
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#define T_HINFO 13 /* host information */ |
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#define T_MINFO 14 /* mailbox information */ |
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#define T_MX 15 /* mail routing information */ |
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#define T_TXT 16 /* text strings */ |
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#define T_RP 17 /* responsible person */ |
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#define T_AFSDB 18 /* AFS cell database */ |
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#define T_X25 19 /* X_25 calling address */ |
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#define T_ISDN 20 /* ISDN calling address */ |
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#define T_RT 21 /* router */ |
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#define T_NSAP 22 /* NSAP address */ |
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#define T_NSAP_PTR 23 /* reverse NSAP lookup (deprecated) */ |
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#define T_SIG 24 /* security signature */ |
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#define T_KEY 25 /* security key */ |
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#define T_PX 26 /* X.400 mail mapping */ |
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#define T_GPOS 27 /* geographical position (withdrawn) */ |
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#define T_AAAA 28 /* IP6 Address */ |
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#define T_LOC 29 /* Location Information */ |
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/* non standard */ |
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#define T_UINFO 100 /* user (finger) information */ |
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#define T_UID 101 /* user ID */ |
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#define T_GID 102 /* group ID */ |
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#define T_UNSPEC 103 /* Unspecified format (binary data) */ |
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/* Query type values which do not appear in resource records */ |
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#define T_AXFR 252 /* transfer zone of authority */ |
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#define T_MAILB 253 /* transfer mailbox records */ |
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#define T_MAILA 254 /* transfer mail agent records */ |
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#define T_ANY 255 /* wildcard match */ |
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#define C_IN 1 |
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#define C_CHAOS 3 |
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#define C_HS 4 |
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#define C_ANY 255 |
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#define INDIR_MASK 0xc0 |
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#define HFIXEDSZ 12 |
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#define QFIXEDSZ 4 |
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#define RRFIXEDSZ 10 |
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#define NOERROR 0 |
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#define FORMERR 1 |
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#define SERVFAIL 2 |
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#define NXDOMAIN 3 |
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#define NOTIMP 4 |
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#define REFUSED 5 |
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#define PACKETSZ 512 |
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adamr |
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#ifndef MAXHOSTNAMELEN |
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fluffy |
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#define MAXHOSTNAMELEN 256 |
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adamr |
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#endif |
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fluffy |
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adamr |
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#define NS_DEFAULTPORT 53 |
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#define NAMESERVER_PORT NS_DEFAULTPORT |
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#define QUERY 0 |
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#define MAXLABEL 63 |
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fluffy |
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#endif |
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fluffy |
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ryker |
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#endif /* ARES__H */ |
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