* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2015, 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 http://curl.haxx.se/docs/copyright.html.
+ * 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
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
- * $Id$
***************************************************************************/
-#include "setup.h"
+#include "curl_setup.h"
-#include <string.h>
+/***********************************************************************
+ * Only for builds using asynchronous name resolves
+ **********************************************************************/
+#ifdef CURLRES_ASYNCH
-#ifdef NEED_MALLOC_H
-#include <malloc.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h> /* required for free() prototypes */
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h> /* for the close() proto */
-#endif
-#ifdef VMS
+#ifdef __VMS
#include <in.h>
#include <inet.h>
-#include <stdlib.h>
-#endif
-
-#ifdef HAVE_SETJMP_H
-#include <setjmp.h>
#endif
#ifdef HAVE_PROCESS_H
#include "share.h"
#include "strerror.h"
#include "url.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-#if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL)
-#include "inet_ntoa_r.h"
-#endif
-
-#include "memory.h"
+#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
-/***********************************************************************
- * Only for builds using asynchronous name resolves
- **********************************************************************/
-#ifdef CURLRES_ASYNCH
/*
- * addrinfo_callback() gets called by ares, gethostbyname_thread() or
- * getaddrinfo_thread() when we got the name resolved (or not!).
- *
- * If the status argument is CURL_ASYNC_SUCCESS, we might need to copy the
- * address field since it might be freed when this function returns. This
- * operation stores the resolved data in the DNS cache.
+ * Curl_addrinfo_callback() gets called by ares, gethostbyname_thread()
+ * or getaddrinfo_thread() when we got the name resolved (or not!).
*
- * NOTE: for IPv6 operations, Curl_addrinfo_copy() returns the same
- * pointer it is given as argument!
+ * If the status argument is CURL_ASYNC_SUCCESS, this function takes
+ * ownership of the Curl_addrinfo passed, storing the resolved data
+ * in the DNS cache.
*
* The storage operation locks and unlocks the DNS cache.
*/
-static CURLcode addrinfo_callback(void *arg, /* "struct connectdata *" */
- int status,
- void *addr)
+CURLcode Curl_addrinfo_callback(struct connectdata *conn,
+ int status,
+ struct Curl_addrinfo *ai)
{
- struct connectdata *conn = (struct connectdata *)arg;
struct Curl_dns_entry *dns = NULL;
- CURLcode rc = CURLE_OK;
+ CURLcode result = CURLE_OK;
conn->async.status = status;
if(CURL_ASYNC_SUCCESS == status) {
-
- /*
- * IPv4/ares: Curl_addrinfo_copy() copies the address and returns an
- * allocated version.
- *
- * IPv6: Curl_addrinfo_copy() returns the input pointer!
- */
- Curl_addrinfo *ai = Curl_addrinfo_copy(addr, conn->async.port);
if(ai) {
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
if(data->share)
Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
if(!dns) {
/* failed to store, cleanup and return error */
Curl_freeaddrinfo(ai);
- rc = CURLE_OUT_OF_MEMORY;
+ result = CURLE_OUT_OF_MEMORY;
}
if(data->share)
Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
}
- else
- rc = CURLE_OUT_OF_MEMORY;
+ else {
+ result = CURLE_OUT_OF_MEMORY;
+ }
}
conn->async.dns = dns;
async struct */
conn->async.done = TRUE;
- /* ipv4: The input hostent struct will be freed by ares when we return from
+ /* IPv4: The input hostent struct will be freed by ares when we return from
this function */
- return rc;
+ return result;
}
-CURLcode Curl_addrinfo4_callback(void *arg, /* "struct connectdata *" */
- int status,
-#ifdef HAVE_CARES_CALLBACK_TIMEOUTS
- int timeouts,
-#endif
- struct hostent *hostent)
+/* Call this function after Curl_connect() has returned async=TRUE and
+ then a successful name resolve has been received.
+
+ Note: this function disconnects and frees the conn data in case of
+ resolve failure */
+CURLcode Curl_async_resolved(struct connectdata *conn,
+ bool *protocol_done)
{
-#ifdef HAVE_CARES_CALLBACK_TIMEOUTS
- (void)timeouts; /* ignored */
-#endif
- return addrinfo_callback(arg, status, hostent);
+ CURLcode result;
+
+ if(conn->async.dns) {
+ conn->dns_entry = conn->async.dns;
+ conn->async.dns = NULL;
+ }
+
+ result = Curl_setup_conn(conn, protocol_done);
+
+ if(result)
+ /* We're not allowed to return failure with memory left allocated
+ in the connectdata struct, free those here */
+ Curl_disconnect(conn, FALSE); /* close the connection */
+
+ return result;
}
-#ifdef CURLRES_IPV6
-CURLcode Curl_addrinfo6_callback(void *arg, /* "struct connectdata *" */
- int status,
-#ifdef HAVE_CARES_CALLBACK_TIMEOUTS
- int timeouts,
-#endif
- struct addrinfo *ai)
+/*
+ * Curl_getaddrinfo() is the generic low-level name resolve API within this
+ * source file. There are several versions of this function - for different
+ * name resolve layers (selected at build-time). They all take this same set
+ * of arguments
+ */
+Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
+ const char *hostname,
+ int port,
+ int *waitp)
{
- /* NOTE: for CURLRES_ARES, the 'ai' argument is really a
- * 'struct hostent' pointer.
- */
-#ifdef HAVE_CARES_CALLBACK_TIMEOUTS
- (void)timeouts; /* ignored */
-#endif
- return addrinfo_callback(arg, status, ai);
+ return Curl_resolver_getaddrinfo(conn, hostname, port, waitp);
}
-#endif
-#endif /* CURLRES_ASYNC */
+#endif /* CURLRES_ASYNCH */
projects / platform / upstream / curl.git / blobdiff