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      1 #ifndef HEADER_CURL_ADDRINFO_H
      2 #define HEADER_CURL_ADDRINFO_H
      3 /***************************************************************************
      4  *                                  _   _ ____  _
      5  *  Project                     ___| | | |  _ \| |
      6  *                             / __| | | | |_) | |
      7  *                            | (__| |_| |  _ <| |___
      8  *                             \___|\___/|_| \_\_____|
      9  *
     10  * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel (at) haxx.se>, et al.
     11  *
     12  * This software is licensed as described in the file COPYING, which
     13  * you should have received as part of this distribution. The terms
     14  * are also available at https://curl.haxx.se/docs/copyright.html.
     15  *
     16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     17  * copies of the Software, and permit persons to whom the Software is
     18  * furnished to do so, under the terms of the COPYING file.
     19  *
     20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     21  * KIND, either express or implied.
     22  *
     23  ***************************************************************************/
     24 
     25 #include "curl_setup.h"
     26 
     27 #ifdef HAVE_NETINET_IN_H
     28 #  include <netinet/in.h>
     29 #endif
     30 #ifdef HAVE_NETDB_H
     31 #  include <netdb.h>
     32 #endif
     33 #ifdef HAVE_ARPA_INET_H
     34 #  include <arpa/inet.h>
     35 #endif
     36 
     37 #ifdef __VMS
     38 #  include <in.h>
     39 #  include <inet.h>
     40 #  include <stdlib.h>
     41 #endif
     42 
     43 
     44 /*
     45  * Curl_addrinfo is our internal struct definition that we use to allow
     46  * consistent internal handling of this data. We use this even when the
     47  * system provides an addrinfo structure definition. And we use this for
     48  * all sorts of IPv4 and IPV6 builds.
     49  */
     50 
     51 struct Curl_addrinfo {
     52   int                   ai_flags;
     53   int                   ai_family;
     54   int                   ai_socktype;
     55   int                   ai_protocol;
     56   curl_socklen_t        ai_addrlen;   /* Follow rfc3493 struct addrinfo */
     57   char                 *ai_canonname;
     58   struct sockaddr      *ai_addr;
     59   struct Curl_addrinfo *ai_next;
     60 };
     61 typedef struct Curl_addrinfo Curl_addrinfo;
     62 
     63 void
     64 Curl_freeaddrinfo(Curl_addrinfo *cahead);
     65 
     66 #ifdef HAVE_GETADDRINFO
     67 int
     68 Curl_getaddrinfo_ex(const char *nodename,
     69                     const char *servname,
     70                     const struct addrinfo *hints,
     71                     Curl_addrinfo **result);
     72 #endif
     73 
     74 Curl_addrinfo *
     75 Curl_he2ai(const struct hostent *he, int port);
     76 
     77 Curl_addrinfo *
     78 Curl_ip2addr(int af, const void *inaddr, const char *hostname, int port);
     79 
     80 Curl_addrinfo *Curl_str2addr(char *dotted, int port);
     81 
     82 #ifdef USE_UNIX_SOCKETS
     83 Curl_addrinfo *Curl_unix2addr(const char *path, bool *longpath, bool abstract);
     84 #endif
     85 
     86 #if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO) && \
     87     defined(HAVE_FREEADDRINFO)
     88 void
     89 curl_dofreeaddrinfo(struct addrinfo *freethis,
     90                     int line, const char *source);
     91 #endif
     92 
     93 #if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO)
     94 int
     95 curl_dogetaddrinfo(const char *hostname,
     96                    const char *service,
     97                    const struct addrinfo *hints,
     98                    struct addrinfo **result,
     99                    int line, const char *source);
    100 #endif
    101 
    102 #ifdef HAVE_GETADDRINFO
    103 #ifdef USE_RESOLVE_ON_IPS
    104 void Curl_addrinfo_set_port(Curl_addrinfo *addrinfo, int port);
    105 #else
    106 #define Curl_addrinfo_set_port(x,y)
    107 #endif
    108 #endif
    109 
    110 #endif /* HEADER_CURL_ADDRINFO_H */
    111