curl/lib/curl_addrinfo.h
Luo Jinghua 01a49a7626 resolve: add support for IPv6 DNS64/NAT64 Networks on OS X + iOS
Use getaddrinfo() to resolve the IPv4 address literal on iOS/Mac OS X.
If the current network interface doesn’t support IPv4, but supports
IPv6, NAT64, and DNS64.

Closes #866
Fixes #863
2016-06-07 20:39:05 +02:00

111 lines
3.2 KiB
C

#ifndef HEADER_CURL_ADDRINFO_H
#define HEADER_CURL_ADDRINFO_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
#ifdef __VMS
# include <in.h>
# include <inet.h>
# include <stdlib.h>
#endif
/*
* Curl_addrinfo is our internal struct definition that we use to allow
* consistent internal handling of this data. We use this even when the
* system provides an addrinfo structure definition. And we use this for
* all sorts of IPv4 and IPV6 builds.
*/
struct Curl_addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
curl_socklen_t ai_addrlen; /* Follow rfc3493 struct addrinfo */
char *ai_canonname;
struct sockaddr *ai_addr;
struct Curl_addrinfo *ai_next;
};
typedef struct Curl_addrinfo Curl_addrinfo;
void
Curl_freeaddrinfo(Curl_addrinfo *cahead);
#ifdef HAVE_GETADDRINFO
int
Curl_getaddrinfo_ex(const char *nodename,
const char *servname,
const struct addrinfo *hints,
Curl_addrinfo **result);
#endif
Curl_addrinfo *
Curl_he2ai(const struct hostent *he, int port);
Curl_addrinfo *
Curl_ip2addr(int af, const void *inaddr, const char *hostname, int port);
Curl_addrinfo *Curl_str2addr(char *dotted, int port);
#ifdef USE_UNIX_SOCKETS
Curl_addrinfo *Curl_unix2addr(const char *path);
#endif
#if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO) && \
defined(HAVE_FREEADDRINFO)
void
curl_dofreeaddrinfo(struct addrinfo *freethis,
int line, const char *source);
#endif
#if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO)
int
curl_dogetaddrinfo(const char *hostname,
const char *service,
const struct addrinfo *hints,
struct addrinfo **result,
int line, const char *source);
#endif
#ifdef HAVE_GETADDRINFO
#ifdef USE_RESOLVE_ON_IPS
void Curl_addrinfo_set_port(Curl_addrinfo *addrinfo, int port);
#else
#define Curl_addrinfo_set_port(x,y)
#endif
#endif
#endif /* HEADER_CURL_ADDRINFO_H */