91e8d35ab8
Resolve conflicts by taking upstream side when possible and otherwise integrating the changes from both sides. Be carful in CMakeLists.txt where the OPENSSL code block that we modified previously has moved, and preserve our previous modifications in the new location.
154 lines
4.5 KiB
C
154 lines
4.5 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curl_setup.h"
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#ifdef __VMS
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#include <in.h>
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#include <inet.h>
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#endif
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#ifdef HAVE_PROCESS_H
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#include <process.h>
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#endif
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#include "urldata.h"
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#include "sendf.h"
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#include "hostip.h"
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#include "hash.h"
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#include "share.h"
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#include "strerror.h"
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#include "url.h"
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#include "curl_memory.h"
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/* The last #include file should be: */
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#include "memdebug.h"
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/***********************************************************************
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* Only for builds using asynchronous name resolves
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**********************************************************************/
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#ifdef CURLRES_ASYNCH
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/*
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* Curl_addrinfo_callback() gets called by ares, gethostbyname_thread()
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* or getaddrinfo_thread() when we got the name resolved (or not!).
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*
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* If the status argument is CURL_ASYNC_SUCCESS, this function takes
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* ownership of the Curl_addrinfo passed, storing the resolved data
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* in the DNS cache.
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*
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* The storage operation locks and unlocks the DNS cache.
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*/
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CURLcode Curl_addrinfo_callback(struct connectdata *conn,
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int status,
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struct Curl_addrinfo *ai)
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{
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struct Curl_dns_entry *dns = NULL;
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CURLcode result = CURLE_OK;
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conn->async.status = status;
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if(CURL_ASYNC_SUCCESS == status) {
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if(ai) {
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struct SessionHandle *data = conn->data;
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if(data->share)
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Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
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dns = Curl_cache_addr(data, ai,
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conn->async.hostname,
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conn->async.port);
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if(!dns) {
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/* failed to store, cleanup and return error */
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Curl_freeaddrinfo(ai);
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result = CURLE_OUT_OF_MEMORY;
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}
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if(data->share)
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Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
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}
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else {
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result = CURLE_OUT_OF_MEMORY;
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}
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}
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conn->async.dns = dns;
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/* Set async.done TRUE last in this function since it may be used multi-
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threaded and once this is TRUE the other thread may read fields from the
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async struct */
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conn->async.done = TRUE;
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/* IPv4: The input hostent struct will be freed by ares when we return from
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this function */
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return result;
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}
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/* Call this function after Curl_connect() has returned async=TRUE and
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then a successful name resolve has been received.
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Note: this function disconnects and frees the conn data in case of
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resolve failure */
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CURLcode Curl_async_resolved(struct connectdata *conn,
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bool *protocol_done)
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{
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CURLcode result;
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if(conn->async.dns) {
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conn->dns_entry = conn->async.dns;
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conn->async.dns = NULL;
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}
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result = Curl_setup_conn(conn, protocol_done);
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if(result)
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/* We're not allowed to return failure with memory left allocated
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in the connectdata struct, free those here */
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Curl_disconnect(conn, FALSE); /* close the connection */
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return result;
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}
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/*
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* Curl_getaddrinfo() is the generic low-level name resolve API within this
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* source file. There are several versions of this function - for different
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* name resolve layers (selected at build-time). They all take this same set
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* of arguments
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*/
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Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
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const char *hostname,
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int port,
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int *waitp)
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{
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return Curl_resolver_getaddrinfo(conn, hostname, port, waitp);
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}
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#endif /* CURLRES_ASYNCH */
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