mirror of
https://github.com/curl/curl.git
synced 2024-11-21 01:16:58 +08:00
210 lines
7.8 KiB
C
210 lines
7.8 KiB
C
/* $Id$ */
|
|
|
|
/* Copyright 1998 by the Massachusetts Institute of Technology.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this
|
|
* software and its documentation for any purpose and without
|
|
* fee is hereby granted, provided that the above copyright
|
|
* notice appear in all copies and that both that copyright
|
|
* notice and this permission notice appear in supporting
|
|
* documentation, and that the name of M.I.T. not be used in
|
|
* advertising or publicity pertaining to distribution of the
|
|
* software without specific, written prior permission.
|
|
* M.I.T. makes no representations about the suitability of
|
|
* this software for any purpose. It is provided "as is"
|
|
* without express or implied warranty.
|
|
*/
|
|
|
|
#ifndef ARES__H
|
|
#define ARES__H
|
|
|
|
#include <sys/types.h>
|
|
|
|
#if defined(_AIX) || defined(NETWARE)
|
|
/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
|
|
libc5-based Linux systems. Only include it on system that are known to
|
|
require it! */
|
|
#include <sys/select.h>
|
|
#endif
|
|
|
|
#if defined(WATT32)
|
|
#include <netinet/in.h>
|
|
#include <sys/socket.h>
|
|
#include <tcp.h>
|
|
#elif defined(WIN32)
|
|
#include <winsock2.h>
|
|
#include <windows.h>
|
|
#else
|
|
#include <netinet/in.h>
|
|
#include <sys/socket.h>
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define ARES_SUCCESS 0
|
|
|
|
/* Server error codes (ARES_ENODATA indicates no relevant answer) */
|
|
#define ARES_ENODATA 1
|
|
#define ARES_EFORMERR 2
|
|
#define ARES_ESERVFAIL 3
|
|
#define ARES_ENOTFOUND 4
|
|
#define ARES_ENOTIMP 5
|
|
#define ARES_EREFUSED 6
|
|
|
|
/* Locally generated error codes */
|
|
#define ARES_EBADQUERY 7
|
|
#define ARES_EBADNAME 8
|
|
#define ARES_EBADFAMILY 9
|
|
#define ARES_EBADRESP 10
|
|
#define ARES_ECONNREFUSED 11
|
|
#define ARES_ETIMEOUT 12
|
|
#define ARES_EOF 13
|
|
#define ARES_EFILE 14
|
|
#define ARES_ENOMEM 15
|
|
#define ARES_EDESTRUCTION 16
|
|
#define ARES_EBADSTR 17
|
|
|
|
/* ares_getnameinfo error codes */
|
|
#define ARES_EBADFLAGS 18
|
|
|
|
/* ares_getaddrinfo error codes */
|
|
#define ARES_ENONAME 19
|
|
#define ARES_EBADHINTS 20
|
|
|
|
/* Flag values */
|
|
#define ARES_FLAG_USEVC (1 << 0)
|
|
#define ARES_FLAG_PRIMARY (1 << 1)
|
|
#define ARES_FLAG_IGNTC (1 << 2)
|
|
#define ARES_FLAG_NORECURSE (1 << 3)
|
|
#define ARES_FLAG_STAYOPEN (1 << 4)
|
|
#define ARES_FLAG_NOSEARCH (1 << 5)
|
|
#define ARES_FLAG_NOALIASES (1 << 6)
|
|
#define ARES_FLAG_NOCHECKRESP (1 << 7)
|
|
|
|
/* Option mask values */
|
|
#define ARES_OPT_FLAGS (1 << 0)
|
|
#define ARES_OPT_TIMEOUT (1 << 1)
|
|
#define ARES_OPT_TRIES (1 << 2)
|
|
#define ARES_OPT_NDOTS (1 << 3)
|
|
#define ARES_OPT_UDP_PORT (1 << 4)
|
|
#define ARES_OPT_TCP_PORT (1 << 5)
|
|
#define ARES_OPT_SERVERS (1 << 6)
|
|
#define ARES_OPT_DOMAINS (1 << 7)
|
|
#define ARES_OPT_LOOKUPS (1 << 8)
|
|
|
|
/* Nameinfo flag values */
|
|
#define ARES_NI_NOFQDN (1 << 0)
|
|
#define ARES_NI_NUMERICHOST (1 << 1)
|
|
#define ARES_NI_NAMEREQD (1 << 2)
|
|
#define ARES_NI_NUMERICSERV (1 << 3)
|
|
#define ARES_NI_DGRAM (1 << 4)
|
|
#define ARES_NI_TCP 0
|
|
#define ARES_NI_UDP ARES_NI_DGRAM
|
|
#define ARES_NI_SCTP (1 << 5)
|
|
#define ARES_NI_DCCP (1 << 6)
|
|
#define ARES_NI_NUMERICSCOPE (1 << 7)
|
|
#define ARES_NI_LOOKUPHOST (1 << 8)
|
|
#define ARES_NI_LOOKUPSERVICE (1 << 9)
|
|
/* Reserved for future use */
|
|
#define ARES_NI_IDN (1 << 10)
|
|
#define ARES_NI_IDN_ALLOW_UNASSIGNED (1 << 11)
|
|
#define ARES_NI_IDN_USE_STD3_ASCII_RULES (1 << 12)
|
|
|
|
/* Addrinfo flag values */
|
|
#define ARES_AI_CANONNAME (1 << 0)
|
|
#define ARES_AI_NUMERICHOST (1 << 1)
|
|
#define ARES_AI_PASSIVE (1 << 2)
|
|
#define ARES_AI_NUMERICSERV (1 << 3)
|
|
#define ARES_AI_V4MAPPED (1 << 4)
|
|
#define ARES_AI_ALL (1 << 5)
|
|
#define ARES_AI_ADDRCONFIG (1 << 6)
|
|
/* Reserved for future use */
|
|
#define ARES_AI_IDN (1 << 10)
|
|
#define ARES_AI_IDN_ALLOW_UNASSIGNED (1 << 11)
|
|
#define ARES_AI_IDN_USE_STD3_ASCII_RULES (1 << 12)
|
|
#define ARES_AI_CANONIDN (1 << 13)
|
|
|
|
#define ARES_AI_MASK (ARES_AI_CANONNAME|ARES_AI_NUMERICHOST|ARES_AI_PASSIVE| \
|
|
ARES_AI_NUMERICSERV|ARES_AI_V4MAPPED|ARES_AI_ALL| \
|
|
ARES_AI_ADDRCONFIG)
|
|
#define ARES_GETSOCK_MAXNUM 16 /* ares_getsock() can return info about this
|
|
many sockets */
|
|
#define ARES_GETSOCK_READABLE(bits,num) (bits & (1<< (num)))
|
|
#define ARES_GETSOCK_WRITABLE(bits,num) (bits & (1 << ((num) + \
|
|
ARES_GETSOCK_MAXNUM)))
|
|
|
|
struct ares_options {
|
|
int flags;
|
|
int timeout;
|
|
int tries;
|
|
int ndots;
|
|
unsigned short udp_port;
|
|
unsigned short tcp_port;
|
|
struct in_addr *servers;
|
|
int nservers;
|
|
char **domains;
|
|
int ndomains;
|
|
char *lookups;
|
|
};
|
|
|
|
struct hostent;
|
|
struct timeval;
|
|
struct sockaddr;
|
|
struct ares_channeldata;
|
|
typedef struct ares_channeldata *ares_channel;
|
|
typedef void (*ares_callback)(void *arg, int status, unsigned char *abuf,
|
|
int alen);
|
|
typedef void (*ares_host_callback)(void *arg, int status,
|
|
struct hostent *hostent);
|
|
typedef void (*ares_nameinfo_callback)(void *arg, int status,
|
|
char *node, char *service);
|
|
|
|
int ares_init(ares_channel *channelptr);
|
|
int ares_init_options(ares_channel *channelptr, struct ares_options *options,
|
|
int optmask);
|
|
void ares_destroy(ares_channel channel);
|
|
void ares_cancel(ares_channel channel);
|
|
void ares_send(ares_channel channel, const unsigned char *qbuf, int qlen,
|
|
ares_callback callback, void *arg);
|
|
void ares_query(ares_channel channel, const char *name, int dnsclass,
|
|
int type, ares_callback callback, void *arg);
|
|
void ares_search(ares_channel channel, const char *name, int dnsclass,
|
|
int type, ares_callback callback, void *arg);
|
|
void ares_gethostbyname(ares_channel channel, const char *name, int family,
|
|
ares_host_callback callback, void *arg);
|
|
void ares_gethostbyaddr(ares_channel channel, const void *addr, int addrlen,
|
|
int family, ares_host_callback callback, void *arg);
|
|
void ares_getnameinfo(ares_channel channel, const struct sockaddr *sa,
|
|
socklen_t salen, int flags,
|
|
ares_nameinfo_callback callback,
|
|
void *arg);
|
|
int ares_fds(ares_channel channel, fd_set *read_fds, fd_set *write_fds);
|
|
int ares_getsock(ares_channel channel, int *socks, int numsocks);
|
|
struct timeval *ares_timeout(ares_channel channel, struct timeval *maxtv,
|
|
struct timeval *tv);
|
|
void ares_process(ares_channel channel, fd_set *read_fds, fd_set *write_fds);
|
|
|
|
int ares_mkquery(const char *name, int dnsclass, int type, unsigned short id,
|
|
int rd, unsigned char **buf, int *buflen);
|
|
int ares_expand_name(const unsigned char *encoded, const unsigned char *abuf,
|
|
int alen, char **s, long *enclen);
|
|
int ares_expand_string(const unsigned char *encoded, const unsigned char *abuf,
|
|
int alen, unsigned char **s, long *enclen);
|
|
int ares_parse_a_reply(const unsigned char *abuf, int alen,
|
|
struct hostent **host);
|
|
int ares_parse_aaaa_reply(const unsigned char *abuf, int alen,
|
|
struct hostent **host);
|
|
int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr,
|
|
int addrlen, int family, struct hostent **host);
|
|
void ares_free_string(void *str);
|
|
void ares_free_hostent(struct hostent *host);
|
|
const char *ares_strerror(int code);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ARES__H */
|