2002-09-03 15:52:59 +04:00
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/***************************************************************************
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2004-07-02 12:28:31 +04:00
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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2002-08-13 18:20:47 +04:00
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* \___|\___/|_| \_\_____|
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*
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2012-01-19 02:39:30 +04:00
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* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
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2002-08-13 18:20:47 +04:00
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*
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2002-09-03 15:52:59 +04:00
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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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2004-07-02 12:28:31 +04:00
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*
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2002-08-13 18:20:47 +04:00
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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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2002-09-03 15:52:59 +04:00
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* furnished to do so, under the terms of the COPYING file.
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2002-08-13 18:20:47 +04:00
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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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2002-09-03 15:52:59 +04:00
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***************************************************************************/
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2002-08-13 18:20:47 +04:00
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2013-01-04 05:50:28 +04:00
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#include "setup.h"
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2011-07-26 19:23:27 +04:00
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2002-08-13 18:20:47 +04:00
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#include <curl/curl.h>
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2013-01-04 05:50:28 +04:00
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#include "urldata.h"
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#include "share.h"
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#include "sslgen.h"
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2009-04-21 15:46:16 +04:00
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#include "curl_memory.h"
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2002-08-13 18:20:47 +04:00
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/* The last #include file should be: */
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2013-01-04 05:50:28 +04:00
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#include "memdebug.h"
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2002-08-13 18:20:47 +04:00
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2003-01-08 18:50:52 +03:00
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CURLSH *
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2003-01-09 13:21:03 +03:00
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curl_share_init(void)
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2002-08-13 18:20:47 +04:00
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{
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2009-11-18 13:33:54 +03:00
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struct Curl_share *share = calloc(1, sizeof(struct Curl_share));
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2008-12-21 01:51:57 +03:00
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if(share)
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2003-08-11 10:30:02 +04:00
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share->specifier |= (1<<CURL_LOCK_DATA_SHARE);
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2002-08-13 18:20:47 +04:00
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return share;
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}
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2008-03-18 11:14:37 +03:00
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#undef curl_share_setopt
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2003-01-09 13:21:03 +03:00
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CURLSHcode
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curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
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2002-08-13 18:20:47 +04:00
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{
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2003-01-09 13:21:03 +03:00
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struct Curl_share *share = (struct Curl_share *)sh;
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va_list param;
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int type;
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curl_lock_function lockfunc;
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curl_unlock_function unlockfunc;
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void *ptr;
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2012-06-16 00:37:19 +04:00
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CURLSHcode res = CURLSHE_OK;
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2003-01-09 13:21:03 +03:00
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2007-11-07 12:21:35 +03:00
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if(share->dirty)
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2003-01-09 13:21:03 +03:00
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/* don't allow setting options while one or more handles are already
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using this share */
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return CURLSHE_IN_USE;
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va_start(param, option);
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switch(option) {
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case CURLSHOPT_SHARE:
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/* this is a type this share will share */
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type = va_arg(param, int);
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share->specifier |= (1<<type);
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2004-05-13 19:18:29 +04:00
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switch( type ) {
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case CURL_LOCK_DATA_DNS:
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2007-11-07 12:21:35 +03:00
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if(!share->hostcache) {
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2004-05-13 19:18:29 +04:00
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share->hostcache = Curl_mk_dnscache();
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if(!share->hostcache)
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_NOMEM;
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2004-05-13 19:18:29 +04:00
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}
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break;
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2004-06-09 12:23:55 +04:00
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2004-05-13 19:18:29 +04:00
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case CURL_LOCK_DATA_COOKIE:
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2011-10-04 00:32:36 +04:00
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#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
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2007-11-07 12:21:35 +03:00
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if(!share->cookies) {
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2004-05-13 19:18:29 +04:00
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share->cookies = Curl_cookie_init(NULL, NULL, NULL, TRUE );
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if(!share->cookies)
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_NOMEM;
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2004-05-13 19:18:29 +04:00
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}
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2011-10-04 00:32:36 +04:00
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#else /* CURL_DISABLE_HTTP */
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_NOT_BUILT_IN;
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2011-10-04 00:32:36 +04:00
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#endif
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2012-06-16 00:37:19 +04:00
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break;
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2003-02-05 02:48:46 +03:00
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2011-09-20 19:43:54 +04:00
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case CURL_LOCK_DATA_SSL_SESSION:
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2011-10-04 00:32:36 +04:00
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#ifdef USE_SSL
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2011-09-20 19:43:54 +04:00
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if(!share->sslsession) {
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2012-01-19 02:39:30 +04:00
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share->max_ssl_sessions = 8;
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share->sslsession = calloc(share->max_ssl_sessions,
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2011-09-20 19:43:54 +04:00
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sizeof(struct curl_ssl_session));
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2011-11-18 02:34:38 +04:00
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share->sessionage = 0;
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2011-09-20 19:43:54 +04:00
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if(!share->sslsession)
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_NOMEM;
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2011-09-20 19:43:54 +04:00
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}
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2011-10-04 00:32:36 +04:00
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#else
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_NOT_BUILT_IN;
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2011-10-04 00:32:36 +04:00
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#endif
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2012-06-16 00:37:19 +04:00
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break;
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2011-09-20 19:43:54 +04:00
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2004-05-13 19:18:29 +04:00
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case CURL_LOCK_DATA_CONNECT: /* not supported (yet) */
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2012-06-16 00:37:19 +04:00
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break;
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2003-02-05 02:48:46 +03:00
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2004-05-13 19:18:29 +04:00
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default:
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_BAD_OPTION;
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2003-02-05 02:48:46 +03:00
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}
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2003-01-09 13:21:03 +03:00
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break;
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case CURLSHOPT_UNSHARE:
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/* this is a type this share will no longer share */
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type = va_arg(param, int);
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share->specifier &= ~(1<<type);
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2011-04-20 17:17:42 +04:00
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switch( type ) {
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case CURL_LOCK_DATA_DNS:
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if(share->hostcache) {
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Curl_hash_destroy(share->hostcache);
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share->hostcache = NULL;
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}
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break;
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2003-02-05 02:48:46 +03:00
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2011-04-20 17:17:42 +04:00
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case CURL_LOCK_DATA_COOKIE:
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2011-10-04 00:32:36 +04:00
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#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
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2011-04-20 17:17:42 +04:00
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if(share->cookies) {
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Curl_cookie_cleanup(share->cookies);
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share->cookies = NULL;
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}
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2011-10-04 00:32:36 +04:00
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#else /* CURL_DISABLE_HTTP */
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_NOT_BUILT_IN;
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2011-10-04 00:32:36 +04:00
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#endif
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2012-06-16 00:37:19 +04:00
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break;
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2003-02-05 02:48:46 +03:00
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2011-04-20 17:17:42 +04:00
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case CURL_LOCK_DATA_SSL_SESSION:
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2011-10-04 00:32:36 +04:00
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#ifdef USE_SSL
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2012-01-19 02:39:30 +04:00
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Curl_safefree(share->sslsession);
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2011-10-04 00:32:36 +04:00
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#else
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_NOT_BUILT_IN;
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2011-10-04 00:32:36 +04:00
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#endif
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2012-06-16 00:37:19 +04:00
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break;
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2003-02-05 02:48:46 +03:00
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2011-04-20 17:17:42 +04:00
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case CURL_LOCK_DATA_CONNECT:
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break;
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2003-02-05 02:48:46 +03:00
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2011-04-20 17:17:42 +04:00
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default:
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_BAD_OPTION;
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break;
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2003-02-05 02:48:46 +03:00
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}
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2003-01-09 13:21:03 +03:00
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break;
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case CURLSHOPT_LOCKFUNC:
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lockfunc = va_arg(param, curl_lock_function);
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share->lockfunc = lockfunc;
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break;
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case CURLSHOPT_UNLOCKFUNC:
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unlockfunc = va_arg(param, curl_unlock_function);
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2004-07-02 12:28:31 +04:00
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share->unlockfunc = unlockfunc;
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2003-01-09 13:21:03 +03:00
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break;
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case CURLSHOPT_USERDATA:
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ptr = va_arg(param, void *);
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share->clientdata = ptr;
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break;
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default:
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2012-06-16 00:37:19 +04:00
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res = CURLSHE_BAD_OPTION;
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break;
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2002-08-13 18:20:47 +04:00
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}
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2012-06-16 00:37:19 +04:00
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va_end(param);
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return res;
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2002-08-13 18:20:47 +04:00
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}
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2003-08-11 10:30:02 +04:00
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CURLSHcode
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curl_share_cleanup(CURLSH *sh)
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2002-08-13 18:20:47 +04:00
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{
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2003-01-09 13:21:03 +03:00
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struct Curl_share *share = (struct Curl_share *)sh;
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2004-07-02 12:28:31 +04:00
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2007-11-07 12:21:35 +03:00
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if(share == NULL)
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2003-08-11 10:30:02 +04:00
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return CURLSHE_INVALID;
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2004-07-02 12:28:31 +04:00
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if(share->lockfunc)
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share->lockfunc(NULL, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE,
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share->clientdata);
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2007-11-07 12:21:35 +03:00
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if(share->dirty) {
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2004-07-02 12:28:31 +04:00
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if(share->unlockfunc)
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share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
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2003-01-09 13:21:03 +03:00
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return CURLSHE_IN_USE;
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2003-08-11 10:30:02 +04:00
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}
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2002-08-13 18:20:47 +04:00
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2008-10-20 00:17:16 +04:00
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if(share->hostcache) {
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2003-08-04 19:02:42 +04:00
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Curl_hash_destroy(share->hostcache);
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2008-10-20 00:17:16 +04:00
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share->hostcache = NULL;
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}
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2003-08-04 19:02:42 +04:00
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2011-10-21 04:54:18 +04:00
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#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
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2003-08-04 19:02:42 +04:00
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if(share->cookies)
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Curl_cookie_cleanup(share->cookies);
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2011-10-21 04:54:18 +04:00
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#endif
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2003-08-04 19:02:42 +04:00
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2011-10-04 00:32:36 +04:00
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#ifdef USE_SSL
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2011-09-20 19:43:54 +04:00
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if(share->sslsession) {
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2012-01-19 02:39:30 +04:00
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size_t i;
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for(i = 0; i < share->max_ssl_sessions; i++)
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2011-09-20 19:43:54 +04:00
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Curl_ssl_kill_session(&(share->sslsession[i]));
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free(share->sslsession);
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}
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2011-10-04 00:32:36 +04:00
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#endif
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2011-09-20 19:43:54 +04:00
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2004-07-02 12:28:31 +04:00
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if(share->unlockfunc)
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share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
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free(share);
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2003-01-09 13:21:03 +03:00
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return CURLSHE_OK;
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2002-08-13 18:20:47 +04:00
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}
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2003-01-09 13:21:03 +03:00
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CURLSHcode
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2003-08-04 19:02:42 +04:00
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Curl_share_lock(struct SessionHandle *data, curl_lock_data type,
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2004-01-29 16:56:45 +03:00
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curl_lock_access accesstype)
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2002-08-13 18:20:47 +04:00
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{
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2003-01-09 13:21:03 +03:00
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struct Curl_share *share = data->share;
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2002-08-13 18:20:47 +04:00
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2007-11-07 12:21:35 +03:00
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if(share == NULL)
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2003-01-09 13:21:03 +03:00
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return CURLSHE_INVALID;
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2002-08-13 18:20:47 +04:00
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2003-01-09 13:21:03 +03:00
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if(share->specifier & (1<<type)) {
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2004-02-26 14:39:38 +03:00
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if(share->lockfunc) /* only call this if set! */
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share->lockfunc(data, type, accesstype, share->clientdata);
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2002-08-13 18:20:47 +04:00
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}
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2003-01-09 13:21:03 +03:00
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/* else if we don't share this, pretend successful lock */
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2002-08-13 18:20:47 +04:00
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2003-01-09 13:21:03 +03:00
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return CURLSHE_OK;
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2002-08-13 18:20:47 +04:00
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}
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2003-01-09 13:21:03 +03:00
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CURLSHcode
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2003-02-05 02:48:46 +03:00
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Curl_share_unlock(struct SessionHandle *data, curl_lock_data type)
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2002-08-13 18:20:47 +04:00
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{
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2003-01-09 13:21:03 +03:00
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struct Curl_share *share = data->share;
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2002-08-13 18:20:47 +04:00
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2007-11-07 12:21:35 +03:00
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if(share == NULL)
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2003-01-09 13:21:03 +03:00
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return CURLSHE_INVALID;
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2002-08-13 18:20:47 +04:00
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2003-01-09 13:21:03 +03:00
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if(share->specifier & (1<<type)) {
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2004-02-26 14:39:38 +03:00
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if(share->unlockfunc) /* only call this if set! */
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share->unlockfunc (data, type, share->clientdata);
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2002-08-13 18:20:47 +04:00
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}
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2003-01-09 13:21:03 +03:00
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return CURLSHE_OK;
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2002-08-13 18:20:47 +04:00
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}
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