4708 lines
142 KiB
C
4708 lines
142 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 - 2008, 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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* $Id$
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***************************************************************************/
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/* -- WIN32 approved -- */
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#include "setup.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <errno.h>
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#ifdef WIN32
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#include <time.h>
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#include <io.h>
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#else
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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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_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.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 HAVE_NET_IF_H
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#include <net/if.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.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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#ifndef HAVE_SOCKET
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#error "We can't compile without socket() support!"
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#endif
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#endif /* WIN32 */
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#ifdef USE_LIBIDN
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#include <idna.h>
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#include <tld.h>
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#include <stringprep.h>
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#ifdef HAVE_IDN_FREE_H
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#include <idn-free.h>
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#else
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void idn_free (void *ptr); /* prototype from idn-free.h, not provided by
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libidn 0.4.5's make install! */
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#endif
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#ifndef HAVE_IDN_FREE
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/* if idn_free() was not found in this version of libidn, use plain free()
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instead */
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#define idn_free(x) (free)(x)
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#endif
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#endif /* USE_LIBIDN */
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#include "urldata.h"
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#include "netrc.h"
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#include "formdata.h"
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#include "sslgen.h"
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#include "hostip.h"
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#include "transfer.h"
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#include "sendf.h"
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#include "progress.h"
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#include "cookie.h"
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#include "strequal.h"
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#include "strerror.h"
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#include "escape.h"
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#include "strtok.h"
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#include "share.h"
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#include "content_encoding.h"
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#include "http_digest.h"
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#include "http_negotiate.h"
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#include "select.h"
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#include "multiif.h"
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#include "easyif.h"
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#include "speedcheck.h"
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/* And now for the protocols */
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#include "ftp.h"
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#include "dict.h"
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#include "telnet.h"
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#include "tftp.h"
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#include "http.h"
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#include "file.h"
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#include "curl_ldap.h"
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#include "ssh.h"
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#include "url.h"
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#include "connect.h"
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#include "inet_ntop.h"
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#include "http_ntlm.h"
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#include "socks.h"
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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#include "memory.h"
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/* The last #include file should be: */
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#include "memdebug.h"
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/* Local static prototypes */
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static long ConnectionKillOne(struct SessionHandle *data);
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static bool ConnectionExists(struct SessionHandle *data,
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struct connectdata *needle,
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struct connectdata **usethis);
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static long ConnectionStore(struct SessionHandle *data,
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struct connectdata *conn);
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static bool IsPipeliningPossible(const struct SessionHandle *handle);
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static void conn_free(struct connectdata *conn);
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static void signalPipeClose(struct curl_llist *pipeline);
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static struct SessionHandle* gethandleathead(struct curl_llist *pipeline);
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static CURLcode do_init(struct connectdata *conn);
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static void do_complete(struct connectdata *conn);
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#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
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static void flush_cookies(struct SessionHandle *data, int cleanup);
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#endif
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#ifdef CURL_DISABLE_VERBOSE_STRINGS
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#define verboseconnect(x) do { } while (0)
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#endif
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/*
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* Protocol table.
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*/
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static const struct Curl_handler * const protocols[] = {
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#ifndef CURL_DISABLE_HTTP
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&Curl_handler_http,
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
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&Curl_handler_https,
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#endif
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#ifndef CURL_DISABLE_FTP
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&Curl_handler_ftp,
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
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&Curl_handler_ftps,
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#endif
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#ifndef CURL_DISABLE_TELNET
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&Curl_handler_telnet,
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#endif
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#ifndef CURL_DISABLE_DICT
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&Curl_handler_dict,
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#endif
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#ifndef CURL_DISABLE_LDAP
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&Curl_handler_ldap,
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#endif
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#if !defined(CURL_DISABLE_LDAP) && defined(HAVE_LDAP_SSL)
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&Curl_handler_ldaps,
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#endif
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#ifndef CURL_DISABLE_FILE
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&Curl_handler_file,
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#endif
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#ifndef CURL_DISABLE_TFTP
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&Curl_handler_tftp,
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#endif
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#ifdef USE_LIBSSH2
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&Curl_handler_scp,
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&Curl_handler_sftp,
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#endif
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(struct Curl_handler *) NULL
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};
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/*
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* Dummy handler for undefined protocol schemes.
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*/
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static const struct Curl_handler Curl_handler_dummy = {
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"<no protocol>", /* scheme */
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ZERO_NULL, /* setup_connection */
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ZERO_NULL, /* do_it */
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ZERO_NULL, /* done */
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ZERO_NULL, /* do_more */
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ZERO_NULL, /* connect_it */
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ZERO_NULL, /* connecting */
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ZERO_NULL, /* doing */
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ZERO_NULL, /* proto_getsock */
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ZERO_NULL, /* doing_getsock */
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ZERO_NULL, /* disconnect */
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0, /* defport */
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0 /* protocol */
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};
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void Curl_safefree(void *ptr)
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{
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if(ptr)
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free(ptr);
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}
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static void close_connections(struct SessionHandle *data)
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{
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/* Loop through all open connections and kill them one by one */
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while(-1 != ConnectionKillOne(data))
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; /* empty loop */
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}
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void Curl_freeset(struct SessionHandle * data)
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{
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/* Free all dynamic strings stored in the data->set substructure. */
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enum dupstring i;
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for(i=(enum dupstring)0; i < STRING_LAST; i++)
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Curl_safefree(data->set.str[i]);
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}
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static CURLcode setstropt(char **charp, char * s)
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{
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/* Release the previous storage at `charp' and replace by a dynamic storage
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copy of `s'. Return CURLE_OK or CURLE_OUT_OF_MEMORY. */
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if(*charp) {
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free(*charp);
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*charp = (char *) NULL;
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}
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if(s) {
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s = strdup(s);
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if(!s)
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return CURLE_OUT_OF_MEMORY;
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*charp = s;
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}
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return CURLE_OK;
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}
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CURLcode Curl_dupset(struct SessionHandle * dst, struct SessionHandle * src)
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{
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CURLcode r = CURLE_OK;
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enum dupstring i;
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/* Copy src->set into dst->set first, then deal with the strings
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afterwards */
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dst->set = src->set;
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/* clear all string pointers first */
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memset(dst->set.str, 0, STRING_LAST * sizeof(char *));
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/* duplicate all strings */
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for(i=(enum dupstring)0; i< STRING_LAST; i++) {
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r = setstropt(&dst->set.str[i], src->set.str[i]);
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if(r != CURLE_OK)
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break;
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}
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/* If a failure occurred, freeing has to be performed externally. */
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return r;
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}
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#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
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static void flush_cookies(struct SessionHandle *data, int cleanup)
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{
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if(data->set.str[STRING_COOKIEJAR]) {
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if(data->change.cookielist) {
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/* If there is a list of cookie files to read, do it first so that
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we have all the told files read before we write the new jar.
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Curl_cookie_loadfiles() LOCKS and UNLOCKS the share itself! */
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Curl_cookie_loadfiles(data);
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}
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Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
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/* if we have a destination file for all the cookies to get dumped to */
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if(Curl_cookie_output(data->cookies, data->set.str[STRING_COOKIEJAR]))
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infof(data, "WARNING: failed to save cookies in %s\n",
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data->set.str[STRING_COOKIEJAR]);
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}
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else {
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if(cleanup && data->change.cookielist)
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/* since nothing is written, we can just free the list of cookie file
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names */
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curl_slist_free_all(data->change.cookielist); /* clean up list */
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Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
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}
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if(cleanup && (!data->share || (data->cookies != data->share->cookies))) {
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Curl_cookie_cleanup(data->cookies);
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}
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Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
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}
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#endif
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/*
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* This is the internal function curl_easy_cleanup() calls. This should
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* cleanup and free all resources associated with this sessionhandle.
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*
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* NOTE: if we ever add something that attempts to write to a socket or
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* similar here, we must ignore SIGPIPE first. It is currently only done
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* when curl_easy_perform() is invoked.
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*/
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CURLcode Curl_close(struct SessionHandle *data)
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{
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struct Curl_multi *m = data->multi;
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#ifdef CURLDEBUG
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/* only for debugging, scan through all connections and see if there's a
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pipe reference still identifying this handle */
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if(data->state.connc && data->state.connc->type == CONNCACHE_MULTI) {
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struct conncache *c = data->state.connc;
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long i;
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struct curl_llist *pipeline;
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struct curl_llist_element *curr;
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struct connectdata *connptr;
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for(i=0; i< c->num; i++) {
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connptr = c->connects[i];
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if(!connptr)
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continue;
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pipeline = connptr->send_pipe;
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if(pipeline) {
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for (curr = pipeline->head; curr; curr=curr->next) {
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if(data == (struct SessionHandle *) curr->ptr) {
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fprintf(stderr,
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"MAJOR problem we %p are still in send pipe for %p done %d\n",
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data, connptr, (int)connptr->bits.done);
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}
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}
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}
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pipeline = connptr->recv_pipe;
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if(pipeline) {
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for (curr = pipeline->head; curr; curr=curr->next) {
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if(data == (struct SessionHandle *) curr->ptr) {
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fprintf(stderr,
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"MAJOR problem we %p are still in recv pipe for %p done %d\n",
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data, connptr, (int)connptr->bits.done);
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}
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}
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}
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pipeline = connptr->pend_pipe;
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if(pipeline) {
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for (curr = pipeline->head; curr; curr=curr->next) {
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if(data == (struct SessionHandle *) curr->ptr) {
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fprintf(stderr,
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"MAJOR problem we %p are still in pend pipe for %p done %d\n",
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data, connptr, (int)connptr->bits.done);
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}
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}
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}
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}
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}
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#endif
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if(m)
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/* This handle is still part of a multi handle, take care of this first
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and detach this handle from there. */
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Curl_multi_rmeasy(data->multi, data);
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data->magic = 0; /* force a clear AFTER the possibly enforced removal from
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the multi handle, since that function uses the magic
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field! */
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if(data->state.connc) {
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if(data->state.connc->type == CONNCACHE_PRIVATE) {
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/* close all connections still alive that are in the private connection
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cache, as we no longer have the pointer left to the shared one. */
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close_connections(data);
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/* free the connection cache if allocated privately */
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Curl_rm_connc(data->state.connc);
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}
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}
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if(data->state.shared_conn) {
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/* marked to be used by a pending connection so we can't kill this handle
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just yet */
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data->state.closed = TRUE;
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return CURLE_OK;
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}
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if(data->dns.hostcachetype == HCACHE_PRIVATE)
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Curl_hash_destroy(data->dns.hostcache);
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if(data->state.rangestringalloc)
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free(data->state.range);
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/* Free the pathbuffer */
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Curl_safefree(data->state.pathbuffer);
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Curl_safefree(data->state.proto.generic);
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/* Close down all open SSL info and sessions */
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Curl_ssl_close_all(data);
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Curl_safefree(data->state.first_host);
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Curl_safefree(data->state.scratch);
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Curl_ssl_free_certinfo(data);
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if(data->change.referer_alloc)
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free(data->change.referer);
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if(data->change.url_alloc)
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free(data->change.url);
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Curl_safefree(data->state.headerbuff);
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#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
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flush_cookies(data, 1);
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#endif
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Curl_digest_cleanup(data);
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Curl_safefree(data->info.contenttype);
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Curl_safefree(data->info.wouldredirect);
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/* this destroys the channel and we cannot use it anymore after this */
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ares_destroy(data->state.areschannel);
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#if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV)
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/* close iconv conversion descriptors */
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if(data->inbound_cd != (iconv_t)-1) {
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iconv_close(data->inbound_cd);
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}
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if(data->outbound_cd != (iconv_t)-1) {
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iconv_close(data->outbound_cd);
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}
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if(data->utf8_cd != (iconv_t)-1) {
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iconv_close(data->utf8_cd);
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}
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#endif /* CURL_DOES_CONVERSIONS && HAVE_ICONV */
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/* No longer a dirty share, if it exists */
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if(data->share) {
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Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
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data->share->dirty--;
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Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
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}
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Curl_freeset(data);
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free(data);
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return CURLE_OK;
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}
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/* create a connection cache of a private or multi type */
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struct conncache *Curl_mk_connc(int type,
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long amount) /* set -1 to use default */
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{
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/* It is subject for debate how many default connections to have for a multi
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connection cache... */
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struct conncache *c;
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long default_amount;
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if(type == CONNCACHE_PRIVATE) {
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default_amount = (amount < 0) ? 5 : amount;
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}
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else {
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default_amount = (amount < 0) ? 10 : amount;
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}
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c= calloc(sizeof(struct conncache), 1);
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if(!c)
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return NULL;
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if((size_t)(default_amount) > ((size_t)-1) / sizeof(struct connectdata *))
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default_amount = ((size_t)-1) / sizeof(struct connectdata *);
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c->connects = calloc(sizeof(struct connectdata *), (size_t)default_amount);
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if(!c->connects) {
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free(c);
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return NULL;
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}
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c->num = default_amount;
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return c;
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}
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|
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/* Change number of entries of a connection cache */
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CURLcode Curl_ch_connc(struct SessionHandle *data,
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struct conncache *c,
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long newamount)
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{
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long i;
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struct connectdata **newptr;
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|
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if(newamount < 1)
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newamount = 1; /* we better have at least one entry */
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if(!c) {
|
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/* we get a NULL pointer passed in as connection cache, which means that
|
|
there is no cache created for this SessionHandle just yet, we create a
|
|
brand new with the requested size.
|
|
*/
|
|
data->state.connc = Curl_mk_connc(CONNCACHE_PRIVATE, newamount);
|
|
if(!data->state.connc)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
return CURLE_OK;
|
|
}
|
|
|
|
if(newamount < c->num) {
|
|
/* Since this number is *decreased* from the existing number, we must
|
|
close the possibly open connections that live on the indexes that
|
|
are being removed!
|
|
|
|
NOTE: for conncache_multi cases we must make sure that we only
|
|
close handles not in use.
|
|
*/
|
|
for(i=newamount; i< c->num; i++)
|
|
Curl_disconnect(c->connects[i]);
|
|
|
|
/* If the most recent connection is no longer valid, mark it
|
|
invalid. */
|
|
if(data->state.lastconnect <= newamount)
|
|
data->state.lastconnect = -1;
|
|
}
|
|
if(newamount > 0) {
|
|
newptr = realloc(c->connects, sizeof(struct connectdata *) * newamount);
|
|
if(!newptr)
|
|
/* we closed a few connections in vain, but so what? */
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
/* nullify the newly added pointers */
|
|
for(i=c->num; i<newamount; i++)
|
|
newptr[i] = NULL;
|
|
|
|
c->connects = newptr;
|
|
c->num = newamount;
|
|
}
|
|
/* we no longer support less than 1 as size for the connection cache, and
|
|
I'm not sure it ever worked to set it to zero */
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/* Free a connection cache. This is called from Curl_close() and
|
|
curl_multi_cleanup(). */
|
|
void Curl_rm_connc(struct conncache *c)
|
|
{
|
|
if(c->connects) {
|
|
long i;
|
|
for(i = 0; i < c->num; ++i)
|
|
conn_free(c->connects[i]);
|
|
|
|
free(c->connects);
|
|
}
|
|
|
|
free(c);
|
|
}
|
|
|
|
/**
|
|
* Curl_open()
|
|
*
|
|
* @param curl is a pointer to a sessionhandle pointer that gets set by this
|
|
* function.
|
|
* @return CURLcode
|
|
*/
|
|
|
|
CURLcode Curl_open(struct SessionHandle **curl)
|
|
{
|
|
CURLcode res = CURLE_OK;
|
|
struct SessionHandle *data;
|
|
#ifdef USE_ARES
|
|
int status;
|
|
#endif
|
|
|
|
/* Very simple start-up: alloc the struct, init it with zeroes and return */
|
|
data = calloc(1, sizeof(struct SessionHandle));
|
|
if(!data) {
|
|
/* this is a very serious error */
|
|
DEBUGF(fprintf(stderr, "Error: calloc of SessionHandle failed\n"));
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
data->magic = CURLEASY_MAGIC_NUMBER;
|
|
|
|
#ifdef USE_ARES
|
|
if((status = ares_init(&data->state.areschannel)) != ARES_SUCCESS) {
|
|
DEBUGF(fprintf(stderr, "Error: ares_init failed\n"));
|
|
free(data);
|
|
if(status == ARES_ENOMEM)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
else
|
|
return CURLE_FAILED_INIT;
|
|
}
|
|
/* make sure that all other returns from this function should destroy the
|
|
ares channel before returning error! */
|
|
#endif
|
|
|
|
/* We do some initial setup here, all those fields that can't be just 0 */
|
|
|
|
data->state.headerbuff = malloc(HEADERSIZE);
|
|
if(!data->state.headerbuff) {
|
|
DEBUGF(fprintf(stderr, "Error: malloc of headerbuff failed\n"));
|
|
res = CURLE_OUT_OF_MEMORY;
|
|
}
|
|
else {
|
|
data->state.headersize=HEADERSIZE;
|
|
|
|
data->set.out = stdout; /* default output to stdout */
|
|
data->set.in = stdin; /* default input from stdin */
|
|
data->set.err = stderr; /* default stderr to stderr */
|
|
|
|
/* use fwrite as default function to store output */
|
|
data->set.fwrite_func = (curl_write_callback)fwrite;
|
|
|
|
/* use fread as default function to read input */
|
|
data->set.fread_func = (curl_read_callback)fread;
|
|
|
|
/* don't use a seek function by default */
|
|
data->set.seek_func = ZERO_NULL;
|
|
data->set.seek_client = ZERO_NULL;
|
|
|
|
/* conversion callbacks for non-ASCII hosts */
|
|
data->set.convfromnetwork = ZERO_NULL;
|
|
data->set.convtonetwork = ZERO_NULL;
|
|
data->set.convfromutf8 = ZERO_NULL;
|
|
|
|
#if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV)
|
|
/* conversion descriptors for iconv calls */
|
|
data->outbound_cd = (iconv_t)-1;
|
|
data->inbound_cd = (iconv_t)-1;
|
|
data->utf8_cd = (iconv_t)-1;
|
|
#endif /* CURL_DOES_CONVERSIONS && HAVE_ICONV */
|
|
|
|
data->set.infilesize = -1; /* we don't know any size */
|
|
data->set.postfieldsize = -1;
|
|
data->set.maxredirs = -1; /* allow any amount by default */
|
|
data->state.current_speed = -1; /* init to negative == impossible */
|
|
|
|
data->set.httpreq = HTTPREQ_GET; /* Default HTTP request */
|
|
data->set.ftp_use_epsv = TRUE; /* FTP defaults to EPSV operations */
|
|
data->set.ftp_use_eprt = TRUE; /* FTP defaults to EPRT operations */
|
|
data->set.ftp_filemethod = FTPFILE_MULTICWD;
|
|
data->set.dns_cache_timeout = 60; /* Timeout every 60 seconds by default */
|
|
|
|
/* make libcurl quiet by default: */
|
|
data->set.hide_progress = TRUE; /* CURLOPT_NOPROGRESS changes these */
|
|
data->progress.flags |= PGRS_HIDE;
|
|
|
|
/* Set the default size of the SSL session ID cache */
|
|
data->set.ssl.numsessions = 5;
|
|
|
|
data->set.proxyport = CURL_DEFAULT_PROXY_PORT; /* from url.h */
|
|
data->set.proxytype = CURLPROXY_HTTP; /* defaults to HTTP proxy */
|
|
data->set.httpauth = CURLAUTH_BASIC; /* defaults to basic */
|
|
data->set.proxyauth = CURLAUTH_BASIC; /* defaults to basic */
|
|
|
|
/* This no longer creates a connection cache here. It is instead made on
|
|
the first call to curl_easy_perform() or when the handle is added to a
|
|
multi stack. */
|
|
|
|
data->set.ssh_auth_types = CURLSSH_AUTH_DEFAULT; /* defaults to any auth
|
|
type */
|
|
data->set.new_file_perms = 0644; /* Default permissions */
|
|
data->set.new_directory_perms = 0755; /* Default permissions */
|
|
|
|
/* most recent connection is not yet defined */
|
|
data->state.lastconnect = -1;
|
|
|
|
Curl_easy_initHandleData(data);
|
|
|
|
/*
|
|
* libcurl 7.10 introduced SSL verification *by default*! This needs to be
|
|
* switched off unless wanted.
|
|
*/
|
|
data->set.ssl.verifypeer = TRUE;
|
|
data->set.ssl.verifyhost = 2;
|
|
data->set.ssl.sessionid = TRUE; /* session ID caching enabled by default */
|
|
/* This is our preferred CA cert bundle/path since install time */
|
|
#if defined(CURL_CA_BUNDLE)
|
|
res = setstropt(&data->set.str[STRING_SSL_CAFILE],
|
|
(char *) CURL_CA_BUNDLE);
|
|
#elif defined(CURL_CA_PATH)
|
|
res = setstropt(&data->set.str[STRING_SSL_CAPATH], (char *) CURL_CA_PATH);
|
|
#endif
|
|
}
|
|
|
|
if(res) {
|
|
ares_destroy(data->state.areschannel);
|
|
if(data->state.headerbuff)
|
|
free(data->state.headerbuff);
|
|
Curl_freeset(data);
|
|
free(data);
|
|
data = NULL;
|
|
}
|
|
else
|
|
*curl = data;
|
|
|
|
return res;
|
|
}
|
|
|
|
CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
|
|
va_list param)
|
|
{
|
|
char *argptr;
|
|
CURLcode result = CURLE_OK;
|
|
#ifndef CURL_DISABLE_HTTP
|
|
curl_off_t bigsize;
|
|
#endif
|
|
|
|
switch(option) {
|
|
case CURLOPT_DNS_CACHE_TIMEOUT:
|
|
data->set.dns_cache_timeout = va_arg(param, long);
|
|
break;
|
|
case CURLOPT_DNS_USE_GLOBAL_CACHE:
|
|
{
|
|
/* remember we want this enabled */
|
|
long use_cache = va_arg(param, long);
|
|
data->set.global_dns_cache = (bool)(0 != use_cache);
|
|
}
|
|
break;
|
|
case CURLOPT_SSL_CIPHER_LIST:
|
|
/* set a list of cipher we want to use in the SSL connection */
|
|
result = setstropt(&data->set.str[STRING_SSL_CIPHER_LIST],
|
|
va_arg(param, char *));
|
|
break;
|
|
|
|
case CURLOPT_RANDOM_FILE:
|
|
/*
|
|
* This is the path name to a file that contains random data to seed
|
|
* the random SSL stuff with. The file is only used for reading.
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SSL_RANDOM_FILE],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_EGDSOCKET:
|
|
/*
|
|
* The Entropy Gathering Daemon socket pathname
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SSL_EGDSOCKET],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_MAXCONNECTS:
|
|
/*
|
|
* Set the absolute number of maximum simultaneous alive connection that
|
|
* libcurl is allowed to have.
|
|
*/
|
|
result = Curl_ch_connc(data, data->state.connc, va_arg(param, long));
|
|
break;
|
|
case CURLOPT_FORBID_REUSE:
|
|
/*
|
|
* When this transfer is done, it must not be left to be reused by a
|
|
* subsequent transfer but shall be closed immediately.
|
|
*/
|
|
data->set.reuse_forbid = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_FRESH_CONNECT:
|
|
/*
|
|
* This transfer shall not use a previously cached connection but
|
|
* should be made with a fresh new connect!
|
|
*/
|
|
data->set.reuse_fresh = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_VERBOSE:
|
|
/*
|
|
* Verbose means infof() calls that give a lot of information about
|
|
* the connection and transfer procedures as well as internal choices.
|
|
*/
|
|
data->set.verbose = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_HEADER:
|
|
/*
|
|
* Set to include the header in the general data output stream.
|
|
*/
|
|
data->set.include_header = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_NOPROGRESS:
|
|
/*
|
|
* Shut off the internal supported progress meter
|
|
*/
|
|
data->set.hide_progress = (bool)(0 != va_arg(param, long));
|
|
if(data->set.hide_progress)
|
|
data->progress.flags |= PGRS_HIDE;
|
|
else
|
|
data->progress.flags &= ~PGRS_HIDE;
|
|
break;
|
|
case CURLOPT_NOBODY:
|
|
/*
|
|
* Do not include the body part in the output data stream.
|
|
*/
|
|
data->set.opt_no_body = (bool)(0 != va_arg(param, long));
|
|
|
|
/* in HTTP lingo, no body means using the HEAD request and if unset there
|
|
really is no perfect method that is the "opposite" of HEAD but in
|
|
reality most people probably think GET then. The important thing is
|
|
that we can't let it remain HEAD if the opt_no_body is set FALSE since
|
|
then we'll behave wrong when getting HTTP. */
|
|
data->set.httpreq = data->set.opt_no_body?HTTPREQ_HEAD:HTTPREQ_GET;
|
|
break;
|
|
case CURLOPT_FAILONERROR:
|
|
/*
|
|
* Don't output the >=300 error code HTML-page, but instead only
|
|
* return error.
|
|
*/
|
|
data->set.http_fail_on_error = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_UPLOAD:
|
|
case CURLOPT_PUT:
|
|
/*
|
|
* We want to sent data to the remote host. If this is HTTP, that equals
|
|
* using the PUT request.
|
|
*/
|
|
data->set.upload = (bool)(0 != va_arg(param, long));
|
|
if(data->set.upload)
|
|
/* If this is HTTP, PUT is what's needed to "upload" */
|
|
data->set.httpreq = HTTPREQ_PUT;
|
|
else
|
|
/* In HTTP, the opposite of upload is either GET or a HEAD */
|
|
data->set.httpreq = data->set.opt_no_body?HTTPREQ_HEAD:HTTPREQ_GET;
|
|
break;
|
|
case CURLOPT_FILETIME:
|
|
/*
|
|
* Try to get the file time of the remote document. The time will
|
|
* later (possibly) become available using curl_easy_getinfo().
|
|
*/
|
|
data->set.get_filetime = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_FTP_CREATE_MISSING_DIRS:
|
|
/*
|
|
* An FTP option that modifies an upload to create missing directories on
|
|
* the server.
|
|
*/
|
|
data->set.ftp_create_missing_dirs = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_FTP_RESPONSE_TIMEOUT:
|
|
/*
|
|
* An FTP option that specifies how quickly an FTP response must be
|
|
* obtained before it is considered failure.
|
|
*/
|
|
data->set.ftp_response_timeout = va_arg( param , long ) * 1000;
|
|
break;
|
|
case CURLOPT_DIRLISTONLY:
|
|
/*
|
|
* An option that changes the command to one that asks for a list
|
|
* only, no file info details.
|
|
*/
|
|
data->set.ftp_list_only = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_APPEND:
|
|
/*
|
|
* We want to upload and append to an existing file.
|
|
*/
|
|
data->set.ftp_append = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_FTP_FILEMETHOD:
|
|
/*
|
|
* How do access files over FTP.
|
|
*/
|
|
data->set.ftp_filemethod = (curl_ftpfile)va_arg(param, long);
|
|
break;
|
|
case CURLOPT_NETRC:
|
|
/*
|
|
* Parse the $HOME/.netrc file
|
|
*/
|
|
data->set.use_netrc = (enum CURL_NETRC_OPTION)va_arg(param, long);
|
|
break;
|
|
case CURLOPT_NETRC_FILE:
|
|
/*
|
|
* Use this file instead of the $HOME/.netrc file
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_NETRC_FILE],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_TRANSFERTEXT:
|
|
/*
|
|
* This option was previously named 'FTPASCII'. Renamed to work with
|
|
* more protocols than merely FTP.
|
|
*
|
|
* Transfer using ASCII (instead of BINARY).
|
|
*/
|
|
data->set.prefer_ascii = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
case CURLOPT_TIMECONDITION:
|
|
/*
|
|
* Set HTTP time condition. This must be one of the defines in the
|
|
* curl/curl.h header file.
|
|
*/
|
|
data->set.timecondition = (curl_TimeCond)va_arg(param, long);
|
|
break;
|
|
case CURLOPT_TIMEVALUE:
|
|
/*
|
|
* This is the value to compare with the remote document with the
|
|
* method set with CURLOPT_TIMECONDITION
|
|
*/
|
|
data->set.timevalue = (time_t)va_arg(param, long);
|
|
break;
|
|
case CURLOPT_SSLVERSION:
|
|
/*
|
|
* Set explicit SSL version to try to connect with, as some SSL
|
|
* implementations are lame.
|
|
*/
|
|
data->set.ssl.version = va_arg(param, long);
|
|
break;
|
|
|
|
#ifndef CURL_DISABLE_HTTP
|
|
case CURLOPT_AUTOREFERER:
|
|
/*
|
|
* Switch on automatic referer that gets set if curl follows locations.
|
|
*/
|
|
data->set.http_auto_referer = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_ENCODING:
|
|
/*
|
|
* String to use at the value of Accept-Encoding header.
|
|
*
|
|
* If the encoding is set to "" we use an Accept-Encoding header that
|
|
* encompasses all the encodings we support.
|
|
* If the encoding is set to NULL we don't send an Accept-Encoding header
|
|
* and ignore an received Content-Encoding header.
|
|
*
|
|
*/
|
|
argptr = va_arg(param, char *);
|
|
result = setstropt(&data->set.str[STRING_ENCODING],
|
|
(argptr && !*argptr)?
|
|
(char *) ALL_CONTENT_ENCODINGS: argptr);
|
|
break;
|
|
|
|
case CURLOPT_FOLLOWLOCATION:
|
|
/*
|
|
* Follow Location: header hints on a HTTP-server.
|
|
*/
|
|
data->set.http_follow_location = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_UNRESTRICTED_AUTH:
|
|
/*
|
|
* Send authentication (user+password) when following locations, even when
|
|
* hostname changed.
|
|
*/
|
|
data->set.http_disable_hostname_check_before_authentication =
|
|
(bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_MAXREDIRS:
|
|
/*
|
|
* The maximum amount of hops you allow curl to follow Location:
|
|
* headers. This should mostly be used to detect never-ending loops.
|
|
*/
|
|
data->set.maxredirs = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_POSTREDIR:
|
|
{
|
|
/*
|
|
* Set the behaviour of POST when redirecting
|
|
* CURL_REDIR_GET_ALL - POST is changed to GET after 301 and 302
|
|
* CURL_REDIR_POST_301 - POST is kept as POST after 301
|
|
* CURL_REDIR_POST_302 - POST is kept as POST after 302
|
|
* CURL_REDIR_POST_ALL - POST is kept as POST after 301 and 302
|
|
* other - POST is kept as POST after 301 and 302
|
|
*/
|
|
long postRedir = va_arg(param, long);
|
|
data->set.post301 = (bool)((postRedir & CURL_REDIR_POST_301)?TRUE:FALSE);
|
|
data->set.post302 = (bool)((postRedir & CURL_REDIR_POST_302)?TRUE:FALSE);
|
|
}
|
|
break;
|
|
|
|
case CURLOPT_POST:
|
|
/* Does this option serve a purpose anymore? Yes it does, when
|
|
CURLOPT_POSTFIELDS isn't used and the POST data is read off the
|
|
callback! */
|
|
if(va_arg(param, long)) {
|
|
data->set.httpreq = HTTPREQ_POST;
|
|
data->set.opt_no_body = FALSE; /* this is implied */
|
|
}
|
|
else
|
|
data->set.httpreq = HTTPREQ_GET;
|
|
break;
|
|
|
|
case CURLOPT_COPYPOSTFIELDS:
|
|
/*
|
|
* A string with POST data. Makes curl HTTP POST. Even if it is NULL.
|
|
* If needed, CURLOPT_POSTFIELDSIZE must have been set prior to
|
|
* CURLOPT_COPYPOSTFIELDS and not altered later.
|
|
*/
|
|
argptr = va_arg(param, char *);
|
|
|
|
if(!argptr || data->set.postfieldsize == -1)
|
|
result = setstropt(&data->set.str[STRING_COPYPOSTFIELDS], argptr);
|
|
else {
|
|
/*
|
|
* Check that requested length does not overflow the size_t type.
|
|
*/
|
|
|
|
if((data->set.postfieldsize < 0) ||
|
|
((sizeof(curl_off_t) != sizeof(size_t)) &&
|
|
(data->set.postfieldsize > (curl_off_t)((size_t)-1))))
|
|
result = CURLE_OUT_OF_MEMORY;
|
|
else {
|
|
char * p;
|
|
|
|
(void) setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
|
|
|
|
/* Allocate even when size == 0. This satisfies the need of possible
|
|
later address compare to detect the COPYPOSTFIELDS mode, and
|
|
to mark that postfields is used rather than read function or
|
|
form data.
|
|
*/
|
|
p = malloc((size_t)(data->set.postfieldsize?data->set.postfieldsize:1));
|
|
|
|
if(!p)
|
|
result = CURLE_OUT_OF_MEMORY;
|
|
else {
|
|
if(data->set.postfieldsize)
|
|
memcpy(p, argptr, (size_t)data->set.postfieldsize);
|
|
|
|
data->set.str[STRING_COPYPOSTFIELDS] = p;
|
|
}
|
|
}
|
|
}
|
|
|
|
data->set.postfields = data->set.str[STRING_COPYPOSTFIELDS];
|
|
data->set.httpreq = HTTPREQ_POST;
|
|
break;
|
|
|
|
case CURLOPT_POSTFIELDS:
|
|
/*
|
|
* Like above, but use static data instead of copying it.
|
|
*/
|
|
data->set.postfields = va_arg(param, void *);
|
|
/* Release old copied data. */
|
|
(void) setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
|
|
data->set.httpreq = HTTPREQ_POST;
|
|
break;
|
|
|
|
case CURLOPT_POSTFIELDSIZE:
|
|
/*
|
|
* The size of the POSTFIELD data to prevent libcurl to do strlen() to
|
|
* figure it out. Enables binary posts.
|
|
*/
|
|
bigsize = va_arg(param, long);
|
|
|
|
if(data->set.postfieldsize < bigsize &&
|
|
data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {
|
|
/* Previous CURLOPT_COPYPOSTFIELDS is no longer valid. */
|
|
(void) setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
|
|
data->set.postfields = NULL;
|
|
}
|
|
|
|
data->set.postfieldsize = bigsize;
|
|
break;
|
|
|
|
case CURLOPT_POSTFIELDSIZE_LARGE:
|
|
/*
|
|
* The size of the POSTFIELD data to prevent libcurl to do strlen() to
|
|
* figure it out. Enables binary posts.
|
|
*/
|
|
bigsize = va_arg(param, curl_off_t);
|
|
|
|
if(data->set.postfieldsize < bigsize &&
|
|
data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {
|
|
/* Previous CURLOPT_COPYPOSTFIELDS is no longer valid. */
|
|
(void) setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
|
|
data->set.postfields = NULL;
|
|
}
|
|
|
|
data->set.postfieldsize = bigsize;
|
|
break;
|
|
|
|
case CURLOPT_HTTPPOST:
|
|
/*
|
|
* Set to make us do HTTP POST
|
|
*/
|
|
data->set.httppost = va_arg(param, struct curl_httppost *);
|
|
data->set.httpreq = HTTPREQ_POST_FORM;
|
|
data->set.opt_no_body = FALSE; /* this is implied */
|
|
break;
|
|
|
|
case CURLOPT_REFERER:
|
|
/*
|
|
* String to set in the HTTP Referer: field.
|
|
*/
|
|
if(data->change.referer_alloc) {
|
|
free(data->change.referer);
|
|
data->change.referer_alloc = FALSE;
|
|
}
|
|
result = setstropt(&data->set.str[STRING_SET_REFERER],
|
|
va_arg(param, char *));
|
|
data->change.referer = data->set.str[STRING_SET_REFERER];
|
|
break;
|
|
|
|
case CURLOPT_USERAGENT:
|
|
/*
|
|
* String to use in the HTTP User-Agent field
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_USERAGENT],
|
|
va_arg(param, char *));
|
|
break;
|
|
|
|
case CURLOPT_HTTPHEADER:
|
|
/*
|
|
* Set a list with HTTP headers to use (or replace internals with)
|
|
*/
|
|
data->set.headers = va_arg(param, struct curl_slist *);
|
|
break;
|
|
|
|
case CURLOPT_HTTP200ALIASES:
|
|
/*
|
|
* Set a list of aliases for HTTP 200 in response header
|
|
*/
|
|
data->set.http200aliases = va_arg(param, struct curl_slist *);
|
|
break;
|
|
|
|
#if !defined(CURL_DISABLE_COOKIES)
|
|
case CURLOPT_COOKIE:
|
|
/*
|
|
* Cookie string to send to the remote server in the request.
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_COOKIE],
|
|
va_arg(param, char *));
|
|
break;
|
|
|
|
case CURLOPT_COOKIEFILE:
|
|
/*
|
|
* Set cookie file to read and parse. Can be used multiple times.
|
|
*/
|
|
argptr = (char *)va_arg(param, void *);
|
|
if(argptr) {
|
|
struct curl_slist *cl;
|
|
/* append the cookie file name to the list of file names, and deal with
|
|
them later */
|
|
cl = curl_slist_append(data->change.cookielist, argptr);
|
|
|
|
if(!cl)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
data->change.cookielist = cl; /* store the list for later use */
|
|
}
|
|
break;
|
|
|
|
case CURLOPT_COOKIEJAR:
|
|
/*
|
|
* Set cookie file name to dump all cookies to when we're done.
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_COOKIEJAR],
|
|
va_arg(param, char *));
|
|
|
|
/*
|
|
* Activate the cookie parser. This may or may not already
|
|
* have been made.
|
|
*/
|
|
data->cookies = Curl_cookie_init(data, NULL, data->cookies,
|
|
data->set.cookiesession);
|
|
break;
|
|
|
|
case CURLOPT_COOKIESESSION:
|
|
/*
|
|
* Set this option to TRUE to start a new "cookie session". It will
|
|
* prevent the forthcoming read-cookies-from-file actions to accept
|
|
* cookies that are marked as being session cookies, as they belong to a
|
|
* previous session.
|
|
*
|
|
* In the original Netscape cookie spec, "session cookies" are cookies
|
|
* with no expire date set. RFC2109 describes the same action if no
|
|
* 'Max-Age' is set and RFC2965 includes the RFC2109 description and adds
|
|
* a 'Discard' action that can enforce the discard even for cookies that
|
|
* have a Max-Age.
|
|
*
|
|
* We run mostly with the original cookie spec, as hardly anyone implements
|
|
* anything else.
|
|
*/
|
|
data->set.cookiesession = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_COOKIELIST:
|
|
argptr = va_arg(param, char *);
|
|
|
|
if(argptr == NULL)
|
|
break;
|
|
|
|
if(strequal(argptr, "ALL")) {
|
|
/* clear all cookies */
|
|
Curl_cookie_clearall(data->cookies);
|
|
break;
|
|
}
|
|
else if(strequal(argptr, "SESS")) {
|
|
/* clear session cookies */
|
|
Curl_cookie_clearsess(data->cookies);
|
|
break;
|
|
}
|
|
else if(strequal(argptr, "FLUSH")) {
|
|
/* flush cookies to file */
|
|
flush_cookies(data, 0);
|
|
break;
|
|
}
|
|
|
|
if(!data->cookies)
|
|
/* if cookie engine was not running, activate it */
|
|
data->cookies = Curl_cookie_init(data, NULL, NULL, TRUE);
|
|
|
|
argptr = strdup(argptr);
|
|
if(!argptr) {
|
|
result = CURLE_OUT_OF_MEMORY;
|
|
break;
|
|
}
|
|
|
|
if(checkprefix("Set-Cookie:", argptr))
|
|
/* HTTP Header format line */
|
|
Curl_cookie_add(data, data->cookies, TRUE, argptr + 11, NULL, NULL);
|
|
|
|
else
|
|
/* Netscape format line */
|
|
Curl_cookie_add(data, data->cookies, FALSE, argptr, NULL, NULL);
|
|
|
|
free(argptr);
|
|
break;
|
|
#endif /* CURL_DISABLE_COOKIES */
|
|
|
|
case CURLOPT_HTTPGET:
|
|
/*
|
|
* Set to force us do HTTP GET
|
|
*/
|
|
if(va_arg(param, long)) {
|
|
data->set.httpreq = HTTPREQ_GET;
|
|
data->set.upload = FALSE; /* switch off upload */
|
|
data->set.opt_no_body = FALSE; /* this is implied */
|
|
}
|
|
break;
|
|
|
|
case CURLOPT_HTTP_VERSION:
|
|
/*
|
|
* This sets a requested HTTP version to be used. The value is one of
|
|
* the listed enums in curl/curl.h.
|
|
*/
|
|
data->set.httpversion = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_HTTPPROXYTUNNEL:
|
|
/*
|
|
* Tunnel operations through the proxy instead of normal proxy use
|
|
*/
|
|
data->set.tunnel_thru_httpproxy = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_CUSTOMREQUEST:
|
|
/*
|
|
* Set a custom string to use as request
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_CUSTOMREQUEST],
|
|
va_arg(param, char *));
|
|
|
|
/* we don't set
|
|
data->set.httpreq = HTTPREQ_CUSTOM;
|
|
here, we continue as if we were using the already set type
|
|
and this just changes the actual request keyword */
|
|
break;
|
|
|
|
case CURLOPT_PROXYPORT:
|
|
/*
|
|
* Explicitly set HTTP proxy port number.
|
|
*/
|
|
data->set.proxyport = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_HTTPAUTH:
|
|
/*
|
|
* Set HTTP Authentication type BITMASK.
|
|
*/
|
|
{
|
|
long auth = va_arg(param, long);
|
|
/* switch off bits we can't support */
|
|
#ifndef USE_NTLM
|
|
auth &= ~CURLAUTH_NTLM; /* no NTLM without SSL */
|
|
#endif
|
|
#ifndef HAVE_GSSAPI
|
|
auth &= ~CURLAUTH_GSSNEGOTIATE; /* no GSS-Negotiate without GSSAPI */
|
|
#endif
|
|
if(!auth)
|
|
return CURLE_FAILED_INIT; /* no supported types left! */
|
|
|
|
data->set.httpauth = auth;
|
|
}
|
|
break;
|
|
|
|
case CURLOPT_PROXYAUTH:
|
|
/*
|
|
* Set HTTP Authentication type BITMASK.
|
|
*/
|
|
{
|
|
long auth = va_arg(param, long);
|
|
/* switch off bits we can't support */
|
|
#ifndef USE_NTLM
|
|
auth &= ~CURLAUTH_NTLM; /* no NTLM without SSL */
|
|
#endif
|
|
#ifndef HAVE_GSSAPI
|
|
auth &= ~CURLAUTH_GSSNEGOTIATE; /* no GSS-Negotiate without GSSAPI */
|
|
#endif
|
|
if(!auth)
|
|
return CURLE_FAILED_INIT; /* no supported types left! */
|
|
|
|
data->set.proxyauth = auth;
|
|
}
|
|
break;
|
|
#endif /* CURL_DISABLE_HTTP */
|
|
|
|
case CURLOPT_PROXY:
|
|
/*
|
|
* Set proxy server:port to use as HTTP proxy.
|
|
*
|
|
* If the proxy is set to "" we explicitly say that we don't want to use a
|
|
* proxy (even though there might be environment variables saying so).
|
|
*
|
|
* Setting it to NULL, means no proxy but allows the environment variables
|
|
* to decide for us.
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_PROXY],
|
|
va_arg(param, char *));
|
|
break;
|
|
|
|
case CURLOPT_WRITEHEADER:
|
|
/*
|
|
* Custom pointer to pass the header write callback function
|
|
*/
|
|
data->set.writeheader = (void *)va_arg(param, void *);
|
|
break;
|
|
case CURLOPT_ERRORBUFFER:
|
|
/*
|
|
* Error buffer provided by the caller to get the human readable
|
|
* error string in.
|
|
*/
|
|
data->set.errorbuffer = va_arg(param, char *);
|
|
break;
|
|
case CURLOPT_FILE:
|
|
/*
|
|
* FILE pointer to write to or include in the data write callback
|
|
*/
|
|
data->set.out = va_arg(param, FILE *);
|
|
break;
|
|
case CURLOPT_FTPPORT:
|
|
/*
|
|
* Use FTP PORT, this also specifies which IP address to use
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_FTPPORT],
|
|
va_arg(param, char *));
|
|
data->set.ftp_use_port = (bool)(NULL != data->set.str[STRING_FTPPORT]);
|
|
break;
|
|
|
|
case CURLOPT_FTP_USE_EPRT:
|
|
data->set.ftp_use_eprt = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_FTP_USE_EPSV:
|
|
data->set.ftp_use_epsv = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_FTP_SSL_CCC:
|
|
data->set.ftp_ccc = (curl_ftpccc)va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_FTP_SKIP_PASV_IP:
|
|
/*
|
|
* Enable or disable FTP_SKIP_PASV_IP, which will disable/enable the
|
|
* bypass of the IP address in PASV responses.
|
|
*/
|
|
data->set.ftp_skip_ip = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_INFILE:
|
|
/*
|
|
* FILE pointer to read the file to be uploaded from. Or possibly
|
|
* used as argument to the read callback.
|
|
*/
|
|
data->set.in = va_arg(param, FILE *);
|
|
break;
|
|
case CURLOPT_INFILESIZE:
|
|
/*
|
|
* If known, this should inform curl about the file size of the
|
|
* to-be-uploaded file.
|
|
*/
|
|
data->set.infilesize = va_arg(param, long);
|
|
break;
|
|
case CURLOPT_INFILESIZE_LARGE:
|
|
/*
|
|
* If known, this should inform curl about the file size of the
|
|
* to-be-uploaded file.
|
|
*/
|
|
data->set.infilesize = va_arg(param, curl_off_t);
|
|
break;
|
|
case CURLOPT_LOW_SPEED_LIMIT:
|
|
/*
|
|
* The low speed limit that if transfers are below this for
|
|
* CURLOPT_LOW_SPEED_TIME, the transfer is aborted.
|
|
*/
|
|
data->set.low_speed_limit=va_arg(param, long);
|
|
break;
|
|
case CURLOPT_MAX_SEND_SPEED_LARGE:
|
|
/*
|
|
* The max speed limit that sends transfer more than
|
|
* CURLOPT_MAX_SEND_PER_SECOND bytes per second the transfer is
|
|
* throttled..
|
|
*/
|
|
data->set.max_send_speed=va_arg(param, curl_off_t);
|
|
break;
|
|
case CURLOPT_MAX_RECV_SPEED_LARGE:
|
|
/*
|
|
* The max speed limit that sends transfer more than
|
|
* CURLOPT_MAX_RECV_PER_SECOND bytes per second the transfer is
|
|
* throttled..
|
|
*/
|
|
data->set.max_recv_speed=va_arg(param, curl_off_t);
|
|
break;
|
|
case CURLOPT_LOW_SPEED_TIME:
|
|
/*
|
|
* The low speed time that if transfers are below the set
|
|
* CURLOPT_LOW_SPEED_LIMIT during this time, the transfer is aborted.
|
|
*/
|
|
data->set.low_speed_time=va_arg(param, long);
|
|
break;
|
|
case CURLOPT_URL:
|
|
/*
|
|
* The URL to fetch.
|
|
*/
|
|
if(data->change.url_alloc) {
|
|
/* the already set URL is allocated, free it first! */
|
|
free(data->change.url);
|
|
data->change.url_alloc=FALSE;
|
|
}
|
|
result = setstropt(&data->set.str[STRING_SET_URL],
|
|
va_arg(param, char *));
|
|
data->change.url = data->set.str[STRING_SET_URL];
|
|
break;
|
|
case CURLOPT_PORT:
|
|
/*
|
|
* The port number to use when getting the URL
|
|
*/
|
|
data->set.use_port = va_arg(param, long);
|
|
break;
|
|
case CURLOPT_TIMEOUT:
|
|
/*
|
|
* The maximum time you allow curl to use for a single transfer
|
|
* operation.
|
|
*/
|
|
data->set.timeout = va_arg(param, long) * 1000L;
|
|
break;
|
|
|
|
case CURLOPT_TIMEOUT_MS:
|
|
data->set.timeout = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_CONNECTTIMEOUT:
|
|
/*
|
|
* The maximum time you allow curl to use to connect.
|
|
*/
|
|
data->set.connecttimeout = va_arg(param, long) * 1000L;
|
|
break;
|
|
|
|
case CURLOPT_CONNECTTIMEOUT_MS:
|
|
data->set.connecttimeout = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_USERPWD:
|
|
/*
|
|
* user:password to use in the operation
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_USERPWD],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_POSTQUOTE:
|
|
/*
|
|
* List of RAW FTP commands to use after a transfer
|
|
*/
|
|
data->set.postquote = va_arg(param, struct curl_slist *);
|
|
break;
|
|
case CURLOPT_PREQUOTE:
|
|
/*
|
|
* List of RAW FTP commands to use prior to RETR (Wesley Laxton)
|
|
*/
|
|
data->set.prequote = va_arg(param, struct curl_slist *);
|
|
break;
|
|
case CURLOPT_QUOTE:
|
|
/*
|
|
* List of RAW FTP commands to use before a transfer
|
|
*/
|
|
data->set.quote = va_arg(param, struct curl_slist *);
|
|
break;
|
|
case CURLOPT_PROGRESSFUNCTION:
|
|
/*
|
|
* Progress callback function
|
|
*/
|
|
data->set.fprogress = va_arg(param, curl_progress_callback);
|
|
if(data->set.fprogress)
|
|
data->progress.callback = TRUE; /* no longer internal */
|
|
else
|
|
data->progress.callback = FALSE; /* NULL enforces internal */
|
|
|
|
break;
|
|
case CURLOPT_PROGRESSDATA:
|
|
/*
|
|
* Custom client data to pass to the progress callback
|
|
*/
|
|
data->set.progress_client = va_arg(param, void *);
|
|
break;
|
|
case CURLOPT_PROXYUSERPWD:
|
|
/*
|
|
* user:password needed to use the proxy
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_PROXYUSERPWD],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_RANGE:
|
|
/*
|
|
* What range of the file you want to transfer
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SET_RANGE],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_RESUME_FROM:
|
|
/*
|
|
* Resume transfer at the give file position
|
|
*/
|
|
data->set.set_resume_from = va_arg(param, long);
|
|
break;
|
|
case CURLOPT_RESUME_FROM_LARGE:
|
|
/*
|
|
* Resume transfer at the give file position
|
|
*/
|
|
data->set.set_resume_from = va_arg(param, curl_off_t);
|
|
break;
|
|
case CURLOPT_DEBUGFUNCTION:
|
|
/*
|
|
* stderr write callback.
|
|
*/
|
|
data->set.fdebug = va_arg(param, curl_debug_callback);
|
|
/*
|
|
* if the callback provided is NULL, it'll use the default callback
|
|
*/
|
|
break;
|
|
case CURLOPT_DEBUGDATA:
|
|
/*
|
|
* Set to a void * that should receive all error writes. This
|
|
* defaults to CURLOPT_STDERR for normal operations.
|
|
*/
|
|
data->set.debugdata = va_arg(param, void *);
|
|
break;
|
|
case CURLOPT_STDERR:
|
|
/*
|
|
* Set to a FILE * that should receive all error writes. This
|
|
* defaults to stderr for normal operations.
|
|
*/
|
|
data->set.err = va_arg(param, FILE *);
|
|
if(!data->set.err)
|
|
data->set.err = stderr;
|
|
break;
|
|
case CURLOPT_HEADERFUNCTION:
|
|
/*
|
|
* Set header write callback
|
|
*/
|
|
data->set.fwrite_header = va_arg(param, curl_write_callback);
|
|
break;
|
|
case CURLOPT_WRITEFUNCTION:
|
|
/*
|
|
* Set data write callback
|
|
*/
|
|
data->set.fwrite_func = va_arg(param, curl_write_callback);
|
|
if(!data->set.fwrite_func)
|
|
/* When set to NULL, reset to our internal default function */
|
|
data->set.fwrite_func = (curl_write_callback)fwrite;
|
|
break;
|
|
case CURLOPT_READFUNCTION:
|
|
/*
|
|
* Read data callback
|
|
*/
|
|
data->set.fread_func = va_arg(param, curl_read_callback);
|
|
if(!data->set.fread_func)
|
|
/* When set to NULL, reset to our internal default function */
|
|
data->set.fread_func = (curl_read_callback)fread;
|
|
break;
|
|
case CURLOPT_SEEKFUNCTION:
|
|
/*
|
|
* Seek callback. Might be NULL.
|
|
*/
|
|
data->set.seek_func = va_arg(param, curl_seek_callback);
|
|
break;
|
|
case CURLOPT_SEEKDATA:
|
|
/*
|
|
* Seek control callback. Might be NULL.
|
|
*/
|
|
data->set.seek_client = va_arg(param, void *);
|
|
break;
|
|
case CURLOPT_CONV_FROM_NETWORK_FUNCTION:
|
|
/*
|
|
* "Convert from network encoding" callback
|
|
*/
|
|
data->set.convfromnetwork = va_arg(param, curl_conv_callback);
|
|
break;
|
|
case CURLOPT_CONV_TO_NETWORK_FUNCTION:
|
|
/*
|
|
* "Convert to network encoding" callback
|
|
*/
|
|
data->set.convtonetwork = va_arg(param, curl_conv_callback);
|
|
break;
|
|
case CURLOPT_CONV_FROM_UTF8_FUNCTION:
|
|
/*
|
|
* "Convert from UTF-8 encoding" callback
|
|
*/
|
|
data->set.convfromutf8 = va_arg(param, curl_conv_callback);
|
|
break;
|
|
case CURLOPT_IOCTLFUNCTION:
|
|
/*
|
|
* I/O control callback. Might be NULL.
|
|
*/
|
|
data->set.ioctl_func = va_arg(param, curl_ioctl_callback);
|
|
break;
|
|
case CURLOPT_IOCTLDATA:
|
|
/*
|
|
* I/O control data pointer. Might be NULL.
|
|
*/
|
|
data->set.ioctl_client = va_arg(param, void *);
|
|
break;
|
|
case CURLOPT_SSLCERT:
|
|
/*
|
|
* String that holds file name of the SSL certificate to use
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_CERT],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_SSLCERTTYPE:
|
|
/*
|
|
* String that holds file type of the SSL certificate to use
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_CERT_TYPE],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_SSLKEY:
|
|
/*
|
|
* String that holds file name of the SSL certificate to use
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_KEY],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_SSLKEYTYPE:
|
|
/*
|
|
* String that holds file type of the SSL certificate to use
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_KEY_TYPE],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_KEYPASSWD:
|
|
/*
|
|
* String that holds the SSL or SSH private key password.
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_KEY_PASSWD],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_SSLENGINE:
|
|
/*
|
|
* String that holds the SSL crypto engine.
|
|
*/
|
|
argptr = va_arg(param, char *);
|
|
if(argptr && argptr[0])
|
|
result = Curl_ssl_set_engine(data, argptr);
|
|
break;
|
|
|
|
case CURLOPT_SSLENGINE_DEFAULT:
|
|
/*
|
|
* flag to set engine as default.
|
|
*/
|
|
result = Curl_ssl_set_engine_default(data);
|
|
break;
|
|
case CURLOPT_CRLF:
|
|
/*
|
|
* Kludgy option to enable CRLF conversions. Subject for removal.
|
|
*/
|
|
data->set.crlf = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_INTERFACE:
|
|
/*
|
|
* Set what interface or address/hostname to bind the socket to when
|
|
* performing an operation and thus what from-IP your connection will use.
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_DEVICE],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_LOCALPORT:
|
|
/*
|
|
* Set what local port to bind the socket to when performing an operation.
|
|
*/
|
|
data->set.localport = (unsigned short) va_arg(param, long);
|
|
break;
|
|
case CURLOPT_LOCALPORTRANGE:
|
|
/*
|
|
* Set number of local ports to try, starting with CURLOPT_LOCALPORT.
|
|
*/
|
|
data->set.localportrange = (int) va_arg(param, long);
|
|
break;
|
|
case CURLOPT_KRBLEVEL:
|
|
/*
|
|
* A string that defines the kerberos security level.
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_KRB_LEVEL],
|
|
va_arg(param, char *));
|
|
data->set.krb = (bool)(NULL != data->set.str[STRING_KRB_LEVEL]);
|
|
break;
|
|
case CURLOPT_SSL_VERIFYPEER:
|
|
/*
|
|
* Enable peer SSL verifying.
|
|
*/
|
|
data->set.ssl.verifypeer = va_arg(param, long);
|
|
break;
|
|
case CURLOPT_SSL_VERIFYHOST:
|
|
/*
|
|
* Enable verification of the CN contained in the peer certificate
|
|
*/
|
|
data->set.ssl.verifyhost = va_arg(param, long);
|
|
break;
|
|
#ifdef USE_SSLEAY
|
|
/* since these two options are only possible to use on an OpenSSL-
|
|
powered libcurl we #ifdef them on this condition so that libcurls
|
|
built against other SSL libs will return a proper error when trying
|
|
to set this option! */
|
|
case CURLOPT_SSL_CTX_FUNCTION:
|
|
/*
|
|
* Set a SSL_CTX callback
|
|
*/
|
|
data->set.ssl.fsslctx = va_arg(param, curl_ssl_ctx_callback);
|
|
break;
|
|
case CURLOPT_SSL_CTX_DATA:
|
|
/*
|
|
* Set a SSL_CTX callback parameter pointer
|
|
*/
|
|
data->set.ssl.fsslctxp = va_arg(param, void *);
|
|
break;
|
|
case CURLOPT_CERTINFO:
|
|
data->set.ssl.certinfo = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
#endif
|
|
case CURLOPT_CAINFO:
|
|
/*
|
|
* Set CA info for SSL connection. Specify file name of the CA certificate
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SSL_CAFILE],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_CAPATH:
|
|
/*
|
|
* Set CA path info for SSL connection. Specify directory name of the CA
|
|
* certificates which have been prepared using openssl c_rehash utility.
|
|
*/
|
|
/* This does not work on windows. */
|
|
result = setstropt(&data->set.str[STRING_SSL_CAPATH],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_CRLFILE:
|
|
/*
|
|
* Set CRL file info for SSL connection. Specify file name of the CRL
|
|
* to check certificates revocation
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SSL_CRLFILE],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_ISSUERCERT:
|
|
/*
|
|
* Set Issuer certificate file
|
|
* to check certificates issuer
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SSL_ISSUERCERT],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_TELNETOPTIONS:
|
|
/*
|
|
* Set a linked list of telnet options
|
|
*/
|
|
data->set.telnet_options = va_arg(param, struct curl_slist *);
|
|
break;
|
|
|
|
case CURLOPT_BUFFERSIZE:
|
|
/*
|
|
* The application kindly asks for a differently sized receive buffer.
|
|
* If it seems reasonable, we'll use it.
|
|
*/
|
|
data->set.buffer_size = va_arg(param, long);
|
|
|
|
if((data->set.buffer_size> (BUFSIZE -1 )) ||
|
|
(data->set.buffer_size < 1))
|
|
data->set.buffer_size = 0; /* huge internal default */
|
|
|
|
break;
|
|
|
|
case CURLOPT_NOSIGNAL:
|
|
/*
|
|
* The application asks not to set any signal() or alarm() handlers,
|
|
* even when using a timeout.
|
|
*/
|
|
data->set.no_signal = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_SHARE:
|
|
{
|
|
struct Curl_share *set;
|
|
set = va_arg(param, struct Curl_share *);
|
|
|
|
/* disconnect from old share, if any */
|
|
if(data->share) {
|
|
Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
|
|
|
|
if(data->dns.hostcachetype == HCACHE_SHARED) {
|
|
data->dns.hostcache = NULL;
|
|
data->dns.hostcachetype = HCACHE_NONE;
|
|
}
|
|
|
|
if(data->share->cookies == data->cookies)
|
|
data->cookies = NULL;
|
|
|
|
data->share->dirty--;
|
|
|
|
Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
|
|
data->share = NULL;
|
|
}
|
|
|
|
/* use new share if it set */
|
|
data->share = set;
|
|
if(data->share) {
|
|
|
|
Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
|
|
|
|
data->share->dirty++;
|
|
|
|
if(data->share->hostcache) {
|
|
/* use shared host cache, first free the private one if any */
|
|
if(data->dns.hostcachetype == HCACHE_PRIVATE)
|
|
Curl_hash_destroy(data->dns.hostcache);
|
|
|
|
data->dns.hostcache = data->share->hostcache;
|
|
data->dns.hostcachetype = HCACHE_SHARED;
|
|
}
|
|
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
|
|
if(data->share->cookies) {
|
|
/* use shared cookie list, first free own one if any */
|
|
if(data->cookies)
|
|
Curl_cookie_cleanup(data->cookies);
|
|
/* enable cookies since we now use a share that uses cookies! */
|
|
data->cookies = data->share->cookies;
|
|
}
|
|
#endif /* CURL_DISABLE_HTTP */
|
|
Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
|
|
|
|
}
|
|
/* check for host cache not needed,
|
|
* it will be done by curl_easy_perform */
|
|
}
|
|
break;
|
|
|
|
case CURLOPT_PROXYTYPE:
|
|
/*
|
|
* Set proxy type. HTTP/SOCKS4/SOCKS4a/SOCKS5/SOCKS5_HOSTNAME
|
|
*/
|
|
data->set.proxytype = (curl_proxytype)va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_PRIVATE:
|
|
/*
|
|
* Set private data pointer.
|
|
*/
|
|
data->set.private_data = va_arg(param, void *);
|
|
break;
|
|
|
|
case CURLOPT_MAXFILESIZE:
|
|
/*
|
|
* Set the maximum size of a file to download.
|
|
*/
|
|
data->set.max_filesize = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_USE_SSL:
|
|
/*
|
|
* Make transfers attempt to use SSL/TLS.
|
|
*/
|
|
data->set.ftp_ssl = (curl_usessl)va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_FTPSSLAUTH:
|
|
/*
|
|
* Set a specific auth for FTP-SSL transfers.
|
|
*/
|
|
data->set.ftpsslauth = (curl_ftpauth)va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_IPRESOLVE:
|
|
data->set.ip_version = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_MAXFILESIZE_LARGE:
|
|
/*
|
|
* Set the maximum size of a file to download.
|
|
*/
|
|
data->set.max_filesize = va_arg(param, curl_off_t);
|
|
break;
|
|
|
|
case CURLOPT_TCP_NODELAY:
|
|
/*
|
|
* Enable or disable TCP_NODELAY, which will disable/enable the Nagle
|
|
* algorithm
|
|
*/
|
|
data->set.tcp_nodelay = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_FTP_ACCOUNT:
|
|
result = setstropt(&data->set.str[STRING_FTP_ACCOUNT],
|
|
va_arg(param, char *));
|
|
break;
|
|
|
|
case CURLOPT_IGNORE_CONTENT_LENGTH:
|
|
data->set.ignorecl = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_CONNECT_ONLY:
|
|
/*
|
|
* No data transfer, set up connection and let application use the socket
|
|
*/
|
|
data->set.connect_only = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_FTP_ALTERNATIVE_TO_USER:
|
|
result = setstropt(&data->set.str[STRING_FTP_ALTERNATIVE_TO_USER],
|
|
va_arg(param, char *));
|
|
break;
|
|
|
|
case CURLOPT_SOCKOPTFUNCTION:
|
|
/*
|
|
* socket callback function: called after socket() but before connect()
|
|
*/
|
|
data->set.fsockopt = va_arg(param, curl_sockopt_callback);
|
|
break;
|
|
|
|
case CURLOPT_SOCKOPTDATA:
|
|
/*
|
|
* socket callback data pointer. Might be NULL.
|
|
*/
|
|
data->set.sockopt_client = va_arg(param, void *);
|
|
break;
|
|
|
|
case CURLOPT_OPENSOCKETFUNCTION:
|
|
/*
|
|
* open/create socket callback function: called instead of socket(),
|
|
* before connect()
|
|
*/
|
|
data->set.fopensocket = va_arg(param, curl_opensocket_callback);
|
|
break;
|
|
|
|
case CURLOPT_OPENSOCKETDATA:
|
|
/*
|
|
* socket callback data pointer. Might be NULL.
|
|
*/
|
|
data->set.opensocket_client = va_arg(param, void *);
|
|
break;
|
|
|
|
case CURLOPT_SSL_SESSIONID_CACHE:
|
|
data->set.ssl.sessionid = (bool)(0 != va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_SSH_AUTH_TYPES:
|
|
data->set.ssh_auth_types = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_SSH_PUBLIC_KEYFILE:
|
|
/*
|
|
* Use this file instead of the $HOME/.ssh/id_dsa.pub file
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SSH_PUBLIC_KEY],
|
|
va_arg(param, char *));
|
|
break;
|
|
|
|
case CURLOPT_SSH_PRIVATE_KEYFILE:
|
|
/*
|
|
* Use this file instead of the $HOME/.ssh/id_dsa file
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SSH_PRIVATE_KEY],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_SSH_HOST_PUBLIC_KEY_MD5:
|
|
/*
|
|
* Option to allow for the MD5 of the host public key to be checked
|
|
* for validation purposes.
|
|
*/
|
|
result = setstropt(&data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5],
|
|
va_arg(param, char *));
|
|
break;
|
|
case CURLOPT_HTTP_TRANSFER_DECODING:
|
|
/*
|
|
* disable libcurl transfer encoding is used
|
|
*/
|
|
data->set.http_te_skip = (bool)(0 == va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_HTTP_CONTENT_DECODING:
|
|
/*
|
|
* raw data passed to the application when content encoding is used
|
|
*/
|
|
data->set.http_ce_skip = (bool)(0 == va_arg(param, long));
|
|
break;
|
|
|
|
case CURLOPT_NEW_FILE_PERMS:
|
|
/*
|
|
* Uses these permissions instead of 0644
|
|
*/
|
|
data->set.new_file_perms = va_arg(param, long);
|
|
break;
|
|
|
|
case CURLOPT_NEW_DIRECTORY_PERMS:
|
|
/*
|
|
* Uses these permissions instead of 0755
|
|
*/
|
|
data->set.new_directory_perms = va_arg(param, long);
|
|
break;
|
|
case CURLOPT_PROXY_TRANSFER_MODE:
|
|
/*
|
|
* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy
|
|
*/
|
|
switch (va_arg(param, long)) {
|
|
case 0:
|
|
data->set.proxy_transfer_mode = FALSE;
|
|
break;
|
|
case 1:
|
|
data->set.proxy_transfer_mode = TRUE;
|
|
break;
|
|
default:
|
|
/* reserve other values for future use */
|
|
result = CURLE_FAILED_INIT;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case CURLOPT_ADDRESS_SCOPE:
|
|
/*
|
|
* We always get longs when passed plain numericals, but for this value we
|
|
* know that an unsigned int will always hold the value so we blindly
|
|
* typecast to this type
|
|
*/
|
|
data->set.scope = (unsigned int) va_arg(param, long);
|
|
break;
|
|
|
|
default:
|
|
/* unknown tag and its companion, just ignore: */
|
|
result = CURLE_FAILED_INIT; /* correct this */
|
|
break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static void conn_free(struct connectdata *conn)
|
|
{
|
|
if(!conn)
|
|
return;
|
|
|
|
/* close possibly still open sockets */
|
|
if(CURL_SOCKET_BAD != conn->sock[SECONDARYSOCKET])
|
|
sclose(conn->sock[SECONDARYSOCKET]);
|
|
if(CURL_SOCKET_BAD != conn->sock[FIRSTSOCKET])
|
|
sclose(conn->sock[FIRSTSOCKET]);
|
|
|
|
Curl_safefree(conn->user);
|
|
Curl_safefree(conn->passwd);
|
|
Curl_safefree(conn->proxyuser);
|
|
Curl_safefree(conn->proxypasswd);
|
|
Curl_safefree(conn->allocptr.proxyuserpwd);
|
|
Curl_safefree(conn->allocptr.uagent);
|
|
Curl_safefree(conn->allocptr.userpwd);
|
|
Curl_safefree(conn->allocptr.accept_encoding);
|
|
Curl_safefree(conn->allocptr.rangeline);
|
|
Curl_safefree(conn->allocptr.ref);
|
|
Curl_safefree(conn->allocptr.host);
|
|
Curl_safefree(conn->allocptr.cookiehost);
|
|
Curl_safefree(conn->ip_addr_str);
|
|
Curl_safefree(conn->trailer);
|
|
Curl_safefree(conn->host.rawalloc); /* host name buffer */
|
|
Curl_safefree(conn->proxy.rawalloc); /* proxy name buffer */
|
|
Curl_safefree(conn->master_buffer);
|
|
|
|
Curl_llist_destroy(conn->send_pipe, NULL);
|
|
Curl_llist_destroy(conn->recv_pipe, NULL);
|
|
Curl_llist_destroy(conn->pend_pipe, NULL);
|
|
|
|
/* possible left-overs from the async name resolvers */
|
|
#if defined(USE_ARES)
|
|
Curl_safefree(conn->async.hostname);
|
|
Curl_safefree(conn->async.os_specific);
|
|
#elif defined(CURLRES_THREADED)
|
|
Curl_destroy_thread_data(&conn->async);
|
|
#endif
|
|
|
|
Curl_ssl_close(conn, FIRSTSOCKET);
|
|
Curl_ssl_close(conn, SECONDARYSOCKET);
|
|
|
|
Curl_free_ssl_config(&conn->ssl_config);
|
|
|
|
free(conn); /* free all the connection oriented data */
|
|
}
|
|
|
|
CURLcode Curl_disconnect(struct connectdata *conn)
|
|
{
|
|
struct SessionHandle *data;
|
|
if(!conn)
|
|
return CURLE_OK; /* this is closed and fine already */
|
|
data = conn->data;
|
|
|
|
if(!data) {
|
|
DEBUGF(infof(data, "DISCONNECT without easy handle, ignoring\n"));
|
|
return CURLE_OK;
|
|
}
|
|
|
|
#if defined(CURLDEBUG) && defined(AGGRESIVE_TEST)
|
|
/* scan for DNS cache entries still marked as in use */
|
|
Curl_hash_apply(data->hostcache,
|
|
NULL, Curl_scan_cache_used);
|
|
#endif
|
|
|
|
Curl_expire(data, 0); /* shut off timers */
|
|
Curl_hostcache_prune(data); /* kill old DNS cache entries */
|
|
|
|
{
|
|
int has_host_ntlm = (conn->ntlm.state != NTLMSTATE_NONE);
|
|
int has_proxy_ntlm = (conn->proxyntlm.state != NTLMSTATE_NONE);
|
|
|
|
/* Authentication data is a mix of connection-related and sessionhandle-
|
|
related stuff. NTLM is connection-related so when we close the shop
|
|
we shall forget. */
|
|
|
|
if (has_host_ntlm) {
|
|
data->state.authhost.done = FALSE;
|
|
data->state.authhost.picked =
|
|
data->state.authhost.want;
|
|
}
|
|
|
|
if (has_proxy_ntlm) {
|
|
data->state.authproxy.done = FALSE;
|
|
data->state.authproxy.picked =
|
|
data->state.authproxy.want;
|
|
}
|
|
|
|
if (has_host_ntlm || has_proxy_ntlm) {
|
|
data->state.authproblem = FALSE;
|
|
|
|
Curl_ntlm_cleanup(conn);
|
|
}
|
|
}
|
|
|
|
/* Cleanup possible redirect junk */
|
|
if(data->req.newurl) {
|
|
free(data->req.newurl);
|
|
data->req.newurl = NULL;
|
|
}
|
|
|
|
if(conn->handler->disconnect)
|
|
/* This is set if protocol-specific cleanups should be made */
|
|
conn->handler->disconnect(conn);
|
|
|
|
if(-1 != conn->connectindex) {
|
|
/* unlink ourselves! */
|
|
infof(data, "Closing connection #%ld\n", conn->connectindex);
|
|
if(data->state.connc)
|
|
/* only clear the table entry if we still know in which cache we
|
|
used to be in */
|
|
data->state.connc->connects[conn->connectindex] = NULL;
|
|
}
|
|
|
|
#ifdef USE_LIBIDN
|
|
if(conn->host.encalloc)
|
|
idn_free(conn->host.encalloc); /* encoded host name buffer, must be freed
|
|
with idn_free() since this was allocated
|
|
by libidn */
|
|
if(conn->proxy.encalloc)
|
|
idn_free(conn->proxy.encalloc); /* encoded proxy name buffer, must be
|
|
freed with idn_free() since this was
|
|
allocated by libidn */
|
|
#endif
|
|
|
|
Curl_ssl_close(conn, FIRSTSOCKET);
|
|
|
|
/* Indicate to all handles on the pipe that we're dead */
|
|
if(Curl_isPipeliningEnabled(data)) {
|
|
signalPipeClose(conn->send_pipe);
|
|
signalPipeClose(conn->recv_pipe);
|
|
signalPipeClose(conn->pend_pipe);
|
|
}
|
|
|
|
conn_free(conn);
|
|
data->state.current_conn = NULL;
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/*
|
|
* This function should return TRUE if the socket is to be assumed to
|
|
* be dead. Most commonly this happens when the server has closed the
|
|
* connection due to inactivity.
|
|
*/
|
|
static bool SocketIsDead(curl_socket_t sock)
|
|
{
|
|
int sval;
|
|
bool ret_val = TRUE;
|
|
|
|
sval = Curl_socket_ready(sock, CURL_SOCKET_BAD, 0);
|
|
if(sval == 0)
|
|
/* timeout */
|
|
ret_val = FALSE;
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
static bool IsPipeliningPossible(const struct SessionHandle *handle)
|
|
{
|
|
if(handle->multi && Curl_multi_canPipeline(handle->multi) &&
|
|
(handle->set.httpreq == HTTPREQ_GET ||
|
|
handle->set.httpreq == HTTPREQ_HEAD) &&
|
|
handle->set.httpversion != CURL_HTTP_VERSION_1_0)
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
bool Curl_isPipeliningEnabled(const struct SessionHandle *handle)
|
|
{
|
|
if(handle->multi && Curl_multi_canPipeline(handle->multi))
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
CURLcode Curl_addHandleToPipeline(struct SessionHandle *data,
|
|
struct curl_llist *pipeline)
|
|
{
|
|
#ifdef CURLDEBUG
|
|
if(!IsPipeliningPossible(data)) {
|
|
/* when not pipelined, there MUST be no handle in the list already */
|
|
if(pipeline->head)
|
|
infof(data, "PIPE when no PIPE supposed!\n");
|
|
}
|
|
#endif
|
|
if(!Curl_llist_insert_next(pipeline, pipeline->tail, data))
|
|
return CURLE_OUT_OF_MEMORY;
|
|
return CURLE_OK;
|
|
}
|
|
|
|
int Curl_removeHandleFromPipeline(struct SessionHandle *handle,
|
|
struct curl_llist *pipeline)
|
|
{
|
|
struct curl_llist_element *curr;
|
|
|
|
curr = pipeline->head;
|
|
while(curr) {
|
|
if(curr->ptr == handle) {
|
|
Curl_llist_remove(pipeline, curr, NULL);
|
|
return 1; /* we removed a handle */
|
|
}
|
|
curr = curr->next;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if 0 /* this code is saved here as it is useful for debugging purposes */
|
|
static void Curl_printPipeline(struct curl_llist *pipeline)
|
|
{
|
|
struct curl_llist_element *curr;
|
|
|
|
curr = pipeline->head;
|
|
while(curr) {
|
|
struct SessionHandle *data = (struct SessionHandle *) curr->ptr;
|
|
infof(data, "Handle in pipeline: %s\n", data->state.path);
|
|
curr = curr->next;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static struct SessionHandle* gethandleathead(struct curl_llist *pipeline)
|
|
{
|
|
struct curl_llist_element *curr = pipeline->head;
|
|
if(curr) {
|
|
return (struct SessionHandle *) curr->ptr;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void signalPipeClose(struct curl_llist *pipeline)
|
|
{
|
|
struct curl_llist_element *curr;
|
|
|
|
if(!pipeline)
|
|
return;
|
|
|
|
curr = pipeline->head;
|
|
while(curr) {
|
|
struct curl_llist_element *next = curr->next;
|
|
struct SessionHandle *data = (struct SessionHandle *) curr->ptr;
|
|
|
|
#ifdef CURLDEBUG /* debug-only code */
|
|
if(data->magic != CURLEASY_MAGIC_NUMBER) {
|
|
/* MAJOR BADNESS */
|
|
infof(data, "signalPipeClose() found BAAD easy handle\n");
|
|
}
|
|
#endif
|
|
|
|
data->state.pipe_broke = TRUE;
|
|
Curl_multi_handlePipeBreak(data);
|
|
Curl_llist_remove(pipeline, curr, NULL);
|
|
curr = next;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Given one filled in connection struct (named needle), this function should
|
|
* detect if there already is one that has all the significant details
|
|
* exactly the same and thus should be used instead.
|
|
*
|
|
* If there is a match, this function returns TRUE - and has marked the
|
|
* connection as 'in-use'. It must later be called with ConnectionDone() to
|
|
* return back to 'idle' (unused) state.
|
|
*/
|
|
static bool
|
|
ConnectionExists(struct SessionHandle *data,
|
|
struct connectdata *needle,
|
|
struct connectdata **usethis)
|
|
{
|
|
long i;
|
|
struct connectdata *check;
|
|
bool canPipeline = IsPipeliningPossible(data);
|
|
|
|
for(i=0; i< data->state.connc->num; i++) {
|
|
bool match = FALSE;
|
|
size_t pipeLen = 0;
|
|
/*
|
|
* Note that if we use a HTTP proxy, we check connections to that
|
|
* proxy and not to the actual remote server.
|
|
*/
|
|
check = data->state.connc->connects[i];
|
|
if(!check)
|
|
/* NULL pointer means not filled-in entry */
|
|
continue;
|
|
|
|
pipeLen = check->send_pipe->size + check->recv_pipe->size;
|
|
|
|
if(check->connectindex == -1) {
|
|
check->connectindex = i; /* Set this appropriately since it might have
|
|
been set to -1 when the easy was removed
|
|
from the multi */
|
|
}
|
|
|
|
if(canPipeline) {
|
|
/* Make sure the pipe has only GET requests */
|
|
struct SessionHandle* sh = gethandleathead(check->send_pipe);
|
|
struct SessionHandle* rh = gethandleathead(check->recv_pipe);
|
|
if(sh) {
|
|
if(!IsPipeliningPossible(sh))
|
|
continue;
|
|
}
|
|
else if(rh) {
|
|
if(!IsPipeliningPossible(rh))
|
|
continue;
|
|
}
|
|
|
|
#ifdef CURLDEBUG
|
|
if(pipeLen > MAX_PIPELINE_LENGTH) {
|
|
infof(data, "BAD! Connection #%ld has too big pipeline!\n",
|
|
check->connectindex);
|
|
}
|
|
#endif
|
|
}
|
|
else {
|
|
if(pipeLen > 0) {
|
|
/* can only happen within multi handles, and means that another easy
|
|
handle is using this connection */
|
|
continue;
|
|
}
|
|
|
|
#ifdef CURLRES_ASYNCH
|
|
/* ip_addr_str is NULL only if the resolving of the name hasn't completed
|
|
yet and until then we don't re-use this connection */
|
|
if(!check->ip_addr_str) {
|
|
infof(data,
|
|
"Connection #%ld hasn't finished name resolve, can't reuse\n",
|
|
check->connectindex);
|
|
continue;
|
|
}
|
|
#endif
|
|
|
|
if((check->sock[FIRSTSOCKET] == CURL_SOCKET_BAD) || check->bits.close) {
|
|
/* Don't pick a connection that hasn't connected yet or that is going to
|
|
get closed. */
|
|
infof(data, "Connection #%ld isn't open enough, can't reuse\n",
|
|
check->connectindex);
|
|
#ifdef CURLDEBUG
|
|
if(check->recv_pipe->size > 0) {
|
|
infof(data, "BAD! Unconnected #%ld has a non-empty recv pipeline!\n",
|
|
check->connectindex);
|
|
}
|
|
#endif
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if((needle->protocol&PROT_SSL) != (check->protocol&PROT_SSL))
|
|
/* don't do mixed SSL and non-SSL connections */
|
|
continue;
|
|
|
|
if(needle->bits.proxy != check->bits.proxy)
|
|
/* don't do mixed proxy and non-proxy connections */
|
|
continue;
|
|
|
|
if(!needle->bits.httpproxy || needle->protocol&PROT_SSL ||
|
|
(needle->bits.httpproxy && check->bits.httpproxy &&
|
|
needle->bits.tunnel_proxy && check->bits.tunnel_proxy &&
|
|
strequal(needle->proxy.name, check->proxy.name) &&
|
|
(needle->port == check->port))) {
|
|
/* The requested connection does not use a HTTP proxy or it uses SSL or
|
|
it is a non-SSL protocol tunneled over the same http proxy name and
|
|
port number */
|
|
|
|
if(strequal(needle->protostr, check->protostr) &&
|
|
strequal(needle->host.name, check->host.name) &&
|
|
(needle->remote_port == check->remote_port) ) {
|
|
if(needle->protocol & PROT_SSL) {
|
|
/* This is SSL, verify that we're using the same
|
|
ssl options as well */
|
|
if(!Curl_ssl_config_matches(&needle->ssl_config,
|
|
&check->ssl_config)) {
|
|
DEBUGF(infof(data,
|
|
"Connection #%ld has different SSL parameters, "
|
|
"can't reuse\n",
|
|
check->connectindex));
|
|
continue;
|
|
}
|
|
else if(check->ssl[FIRSTSOCKET].state != ssl_connection_complete) {
|
|
DEBUGF(infof(data,
|
|
"Connection #%ld has not started ssl connect, "
|
|
"can't reuse\n",
|
|
check->connectindex));
|
|
continue;
|
|
}
|
|
}
|
|
if((needle->protocol & PROT_FTP) ||
|
|
((needle->protocol & PROT_HTTP) &&
|
|
(data->state.authhost.want==CURLAUTH_NTLM))) {
|
|
/* This is FTP or HTTP+NTLM, verify that we're using the same name
|
|
and password as well */
|
|
if(!strequal(needle->user, check->user) ||
|
|
!strequal(needle->passwd, check->passwd)) {
|
|
/* one of them was different */
|
|
continue;
|
|
}
|
|
}
|
|
match = TRUE;
|
|
}
|
|
}
|
|
else { /* The requested needle connection is using a proxy,
|
|
is the checked one using the same host, port and type? */
|
|
if(check->bits.proxy &&
|
|
(needle->proxytype == check->proxytype) &&
|
|
strequal(needle->proxy.name, check->proxy.name) &&
|
|
needle->port == check->port) {
|
|
/* This is the same proxy connection, use it! */
|
|
match = TRUE;
|
|
}
|
|
}
|
|
|
|
if(match) {
|
|
if(!pipeLen && !check->inuse) {
|
|
/* The check for a dead socket makes sense only if there are no
|
|
handles in pipeline and the connection isn't already marked in
|
|
use */
|
|
bool dead = SocketIsDead(check->sock[FIRSTSOCKET]);
|
|
if(dead) {
|
|
check->data = data;
|
|
infof(data, "Connection #%d seems to be dead!\n", i);
|
|
|
|
Curl_disconnect(check); /* disconnect resources */
|
|
data->state.connc->connects[i]=NULL; /* nothing here */
|
|
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
check->inuse = TRUE; /* mark this as being in use so that no other
|
|
handle in a multi stack may nick it */
|
|
|
|
*usethis = check;
|
|
return TRUE; /* yes, we found one to use! */
|
|
}
|
|
}
|
|
|
|
return FALSE; /* no matching connecting exists */
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* This function frees/closes a connection in the connection cache. This
|
|
* should take the previously set policy into account when deciding which
|
|
* of the connections to kill.
|
|
*/
|
|
static long
|
|
ConnectionKillOne(struct SessionHandle *data)
|
|
{
|
|
long i;
|
|
struct connectdata *conn;
|
|
long highscore=-1;
|
|
long connindex=-1;
|
|
long score;
|
|
struct timeval now;
|
|
|
|
now = Curl_tvnow();
|
|
|
|
for(i=0; data->state.connc && (i< data->state.connc->num); i++) {
|
|
conn = data->state.connc->connects[i];
|
|
|
|
if(!conn || conn->inuse)
|
|
continue;
|
|
|
|
/* Set higher score for the age passed since the connection was used */
|
|
score = Curl_tvdiff(now, conn->now);
|
|
|
|
if(score > highscore) {
|
|
highscore = score;
|
|
connindex = i;
|
|
}
|
|
}
|
|
if(connindex >= 0) {
|
|
/* Set the connection's owner correctly */
|
|
conn = data->state.connc->connects[connindex];
|
|
conn->data = data;
|
|
|
|
/* the winner gets the honour of being disconnected */
|
|
(void)Curl_disconnect(conn);
|
|
|
|
/* clean the array entry */
|
|
data->state.connc->connects[connindex] = NULL;
|
|
}
|
|
|
|
return connindex; /* return the available index or -1 */
|
|
}
|
|
|
|
/* this connection can now be marked 'idle' */
|
|
static void
|
|
ConnectionDone(struct connectdata *conn)
|
|
{
|
|
conn->inuse = FALSE;
|
|
}
|
|
|
|
/*
|
|
* The given input connection struct pointer is to be stored. If the "cache"
|
|
* is already full, we must clean out the most suitable using the previously
|
|
* set policy.
|
|
*
|
|
* The given connection should be unique. That must've been checked prior to
|
|
* this call.
|
|
*/
|
|
static long
|
|
ConnectionStore(struct SessionHandle *data,
|
|
struct connectdata *conn)
|
|
{
|
|
long i;
|
|
for(i=0; i< data->state.connc->num; i++) {
|
|
if(!data->state.connc->connects[i])
|
|
break;
|
|
}
|
|
if(i == data->state.connc->num) {
|
|
/* there was no room available, kill one */
|
|
i = ConnectionKillOne(data);
|
|
if(-1 != i)
|
|
infof(data, "Connection (#%d) was killed to make room (holds %d)\n",
|
|
i, data->state.connc->num);
|
|
else
|
|
infof(data, "This connection did not fit in the connection cache\n");
|
|
}
|
|
|
|
conn->connectindex = i; /* Make the child know where the pointer to this
|
|
particular data is stored. But note that this -1
|
|
if this is not within the cache and this is
|
|
probably not checked for everywhere (yet). */
|
|
conn->inuse = TRUE;
|
|
if(-1 != i) {
|
|
/* Only do this if a true index was returned, if -1 was returned there
|
|
is no room in the cache for an unknown reason and we cannot store
|
|
this there.
|
|
|
|
TODO: make sure we really can work with more handles than positions in
|
|
the cache, or possibly we should (allow to automatically) resize the
|
|
connection cache when we add more easy handles to a multi handle!
|
|
*/
|
|
data->state.connc->connects[i] = conn; /* fill in this */
|
|
conn->data = data;
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
static CURLcode ConnectPlease(struct SessionHandle *data,
|
|
struct connectdata *conn,
|
|
struct Curl_dns_entry *hostaddr,
|
|
bool *connected)
|
|
{
|
|
CURLcode result;
|
|
Curl_addrinfo *addr;
|
|
#ifndef CURL_DISABLE_VERBOSE_STRINGS
|
|
char *hostname = conn->bits.proxy?conn->proxy.name:conn->host.name;
|
|
|
|
infof(data, "About to connect() to %s%s port %d (#%d)\n",
|
|
conn->bits.proxy?"proxy ":"",
|
|
hostname, conn->port, conn->connectindex);
|
|
#endif
|
|
|
|
/*************************************************************
|
|
* Connect to server/proxy
|
|
*************************************************************/
|
|
result= Curl_connecthost(conn,
|
|
hostaddr,
|
|
&conn->sock[FIRSTSOCKET],
|
|
&addr,
|
|
connected);
|
|
if(CURLE_OK == result) {
|
|
/* All is cool, then we store the current information */
|
|
conn->dns_entry = hostaddr;
|
|
conn->ip_addr = addr;
|
|
|
|
result = Curl_store_ip_addr(conn);
|
|
|
|
if(CURLE_OK == result) {
|
|
|
|
switch(data->set.proxytype) {
|
|
case CURLPROXY_SOCKS5:
|
|
case CURLPROXY_SOCKS5_HOSTNAME:
|
|
result = Curl_SOCKS5(conn->proxyuser, conn->proxypasswd,
|
|
conn->host.name, conn->remote_port,
|
|
FIRSTSOCKET, conn);
|
|
break;
|
|
case CURLPROXY_HTTP:
|
|
/* do nothing here. handled later. */
|
|
break;
|
|
case CURLPROXY_SOCKS4:
|
|
result = Curl_SOCKS4(conn->proxyuser, conn->host.name,
|
|
conn->remote_port, FIRSTSOCKET, conn, FALSE);
|
|
break;
|
|
case CURLPROXY_SOCKS4A:
|
|
result = Curl_SOCKS4(conn->proxyuser, conn->host.name,
|
|
conn->remote_port, FIRSTSOCKET, conn, TRUE);
|
|
break;
|
|
default:
|
|
failf(data, "unknown proxytype option given");
|
|
result = CURLE_COULDNT_CONNECT;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(result)
|
|
*connected = FALSE; /* mark it as not connected */
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* verboseconnect() displays verbose information after a connect
|
|
*/
|
|
#ifndef CURL_DISABLE_VERBOSE_STRINGS
|
|
static void verboseconnect(struct connectdata *conn)
|
|
{
|
|
infof(conn->data, "Connected to %s (%s) port %d (#%d)\n",
|
|
conn->bits.proxy ? conn->proxy.dispname : conn->host.dispname,
|
|
conn->ip_addr_str, conn->port, conn->connectindex);
|
|
}
|
|
#endif
|
|
|
|
int Curl_protocol_getsock(struct connectdata *conn,
|
|
curl_socket_t *socks,
|
|
int numsocks)
|
|
{
|
|
if(conn->handler->proto_getsock)
|
|
return conn->handler->proto_getsock(conn, socks, numsocks);
|
|
return GETSOCK_BLANK;
|
|
}
|
|
|
|
int Curl_doing_getsock(struct connectdata *conn,
|
|
curl_socket_t *socks,
|
|
int numsocks)
|
|
{
|
|
if(conn && conn->handler->doing_getsock)
|
|
return conn->handler->doing_getsock(conn, socks, numsocks);
|
|
return GETSOCK_BLANK;
|
|
}
|
|
|
|
/*
|
|
* We are doing protocol-specific connecting and this is being called over and
|
|
* over from the multi interface until the connection phase is done on
|
|
* protocol layer.
|
|
*/
|
|
|
|
CURLcode Curl_protocol_connecting(struct connectdata *conn,
|
|
bool *done)
|
|
{
|
|
CURLcode result=CURLE_OK;
|
|
|
|
if(conn && conn->handler->connecting) {
|
|
*done = FALSE;
|
|
result = conn->handler->connecting(conn, done);
|
|
}
|
|
else
|
|
*done = TRUE;
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* We are DOING this is being called over and over from the multi interface
|
|
* until the DOING phase is done on protocol layer.
|
|
*/
|
|
|
|
CURLcode Curl_protocol_doing(struct connectdata *conn, bool *done)
|
|
{
|
|
CURLcode result=CURLE_OK;
|
|
|
|
if(conn && conn->handler->doing) {
|
|
*done = FALSE;
|
|
result = conn->handler->doing(conn, done);
|
|
}
|
|
else
|
|
*done = TRUE;
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* We have discovered that the TCP connection has been successful, we can now
|
|
* proceed with some action.
|
|
*
|
|
*/
|
|
CURLcode Curl_protocol_connect(struct connectdata *conn,
|
|
bool *protocol_done)
|
|
{
|
|
CURLcode result=CURLE_OK;
|
|
struct SessionHandle *data = conn->data;
|
|
|
|
*protocol_done = FALSE;
|
|
|
|
if(conn->bits.tcpconnect && conn->bits.protoconnstart) {
|
|
/* We already are connected, get back. This may happen when the connect
|
|
worked fine in the first call, like when we connect to a local server
|
|
or proxy. Note that we don't know if the protocol is actually done.
|
|
|
|
Unless this protocol doesn't have any protocol-connect callback, as
|
|
then we know we're done. */
|
|
if(!conn->handler->connecting)
|
|
*protocol_done = TRUE;
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
if(!conn->bits.tcpconnect) {
|
|
|
|
Curl_pgrsTime(data, TIMER_CONNECT); /* connect done */
|
|
|
|
if(data->set.verbose)
|
|
verboseconnect(conn);
|
|
}
|
|
|
|
if(!conn->bits.protoconnstart) {
|
|
if(conn->handler->connect_it) {
|
|
/* is there a protocol-specific connect() procedure? */
|
|
|
|
/* Set start time here for timeout purposes in the connect procedure, it
|
|
is later set again for the progress meter purpose */
|
|
conn->now = Curl_tvnow();
|
|
|
|
/* Call the protocol-specific connect function */
|
|
result = conn->handler->connect_it(conn, protocol_done);
|
|
}
|
|
else
|
|
*protocol_done = TRUE;
|
|
|
|
/* it has started, possibly even completed but that knowledge isn't stored
|
|
in this bit! */
|
|
if(!result)
|
|
conn->bits.protoconnstart = TRUE;
|
|
}
|
|
|
|
return result; /* pass back status */
|
|
}
|
|
|
|
/*
|
|
* Helpers for IDNA convertions.
|
|
*/
|
|
#ifdef USE_LIBIDN
|
|
static bool is_ASCII_name(const char *hostname)
|
|
{
|
|
const unsigned char *ch = (const unsigned char*)hostname;
|
|
|
|
while(*ch) {
|
|
if(*ch++ & 0x80)
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Check if characters in hostname is allowed in Top Level Domain.
|
|
*/
|
|
static bool tld_check_name(struct SessionHandle *data,
|
|
const char *ace_hostname)
|
|
{
|
|
size_t err_pos;
|
|
char *uc_name = NULL;
|
|
int rc;
|
|
#ifndef CURL_DISABLE_VERBOSE_STRINGS
|
|
const char *tld_errmsg = "<no msg>";
|
|
#else
|
|
(void)data;
|
|
#endif
|
|
|
|
/* Convert (and downcase) ACE-name back into locale's character set */
|
|
rc = idna_to_unicode_lzlz(ace_hostname, &uc_name, 0);
|
|
if(rc != IDNA_SUCCESS)
|
|
return (FALSE);
|
|
|
|
rc = tld_check_lz(uc_name, &err_pos, NULL);
|
|
#ifndef CURL_DISABLE_VERBOSE_STRINGS
|
|
#ifdef HAVE_TLD_STRERROR
|
|
if(rc != TLD_SUCCESS)
|
|
tld_errmsg = tld_strerror((Tld_rc)rc);
|
|
#endif
|
|
if(rc == TLD_INVALID)
|
|
infof(data, "WARNING: %s; pos %u = `%c'/0x%02X\n",
|
|
tld_errmsg, err_pos, uc_name[err_pos],
|
|
uc_name[err_pos] & 255);
|
|
else if(rc != TLD_SUCCESS)
|
|
infof(data, "WARNING: TLD check for %s failed; %s\n",
|
|
uc_name, tld_errmsg);
|
|
#endif /* CURL_DISABLE_VERBOSE_STRINGS */
|
|
if(uc_name)
|
|
idn_free(uc_name);
|
|
return (bool)(rc == TLD_SUCCESS);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Perform any necessary IDN conversion of hostname
|
|
*/
|
|
static void fix_hostname(struct SessionHandle *data,
|
|
struct connectdata *conn, struct hostname *host)
|
|
{
|
|
#ifndef USE_LIBIDN
|
|
(void)data;
|
|
(void)conn;
|
|
#elif defined(CURL_DISABLE_VERBOSE_STRINGS)
|
|
(void)conn;
|
|
#endif
|
|
|
|
/* set the name we use to display the host name */
|
|
host->dispname = host->name;
|
|
|
|
#ifdef USE_LIBIDN
|
|
/*************************************************************
|
|
* Check name for non-ASCII and convert hostname to ACE form.
|
|
*************************************************************/
|
|
if(!is_ASCII_name(host->name) &&
|
|
stringprep_check_version(LIBIDN_REQUIRED_VERSION)) {
|
|
char *ace_hostname = NULL;
|
|
int rc = idna_to_ascii_lz(host->name, &ace_hostname, 0);
|
|
infof (data, "Input domain encoded as `%s'\n",
|
|
stringprep_locale_charset ());
|
|
if(rc != IDNA_SUCCESS)
|
|
infof(data, "Failed to convert %s to ACE; %s\n",
|
|
host->name, Curl_idn_strerror(conn,rc));
|
|
else {
|
|
/* tld_check_name() displays a warning if the host name contains
|
|
"illegal" characters for this TLD */
|
|
(void)tld_check_name(data, ace_hostname);
|
|
|
|
host->encalloc = ace_hostname;
|
|
/* change the name pointer to point to the encoded hostname */
|
|
host->name = host->encalloc;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Allocate and initialize a new connectdata object.
|
|
*/
|
|
static struct connectdata *allocate_conn(void)
|
|
{
|
|
struct connectdata *conn;
|
|
|
|
conn = calloc(1, sizeof(struct connectdata));
|
|
if(!conn)
|
|
return NULL;
|
|
|
|
conn->handler = &Curl_handler_dummy; /* Be sure we have a handler defined
|
|
already from start to avoid NULL
|
|
situations and checks */
|
|
|
|
/* and we setup a few fields in case we end up actually using this struct */
|
|
|
|
conn->sock[FIRSTSOCKET] = CURL_SOCKET_BAD; /* no file descriptor */
|
|
conn->sock[SECONDARYSOCKET] = CURL_SOCKET_BAD; /* no file descriptor */
|
|
conn->connectindex = -1; /* no index */
|
|
|
|
/* Default protocol-independent behavior doesn't support persistent
|
|
connections, so we set this to force-close. Protocols that support
|
|
this need to set this to FALSE in their "curl_do" functions. */
|
|
conn->bits.close = TRUE;
|
|
|
|
/* Store creation time to help future close decision making */
|
|
conn->created = Curl_tvnow();
|
|
|
|
return conn;
|
|
}
|
|
|
|
/*
|
|
* Parse URL and fill in the relevant members of the connection struct.
|
|
*/
|
|
static CURLcode ParseURLAndFillConnection(struct SessionHandle *data,
|
|
struct connectdata *conn)
|
|
{
|
|
char *at;
|
|
char *tmp;
|
|
char *path = data->state.path;
|
|
int rc;
|
|
|
|
/*************************************************************
|
|
* Parse the URL.
|
|
*
|
|
* We need to parse the url even when using the proxy, because we will need
|
|
* the hostname and port in case we are trying to SSL connect through the
|
|
* proxy -- and we don't know if we will need to use SSL until we parse the
|
|
* url ...
|
|
************************************************************/
|
|
if((2 == sscanf(data->change.url, "%15[^:]:%[^\n]",
|
|
conn->protostr,
|
|
path)) && strequal(conn->protostr, "file")) {
|
|
if(path[0] == '/' && path[1] == '/') {
|
|
/* Allow omitted hostname (e.g. file:/<path>). This is not strictly
|
|
* speaking a valid file: URL by RFC 1738, but treating file:/<path> as
|
|
* file://localhost/<path> is similar to how other schemes treat missing
|
|
* hostnames. See RFC 1808. */
|
|
|
|
/* This cannot be done with strcpy() in a portable manner, since the
|
|
memory areas overlap! */
|
|
memmove(path, path + 2, strlen(path + 2)+1);
|
|
}
|
|
/*
|
|
* we deal with file://<host>/<path> differently since it supports no
|
|
* hostname other than "localhost" and "127.0.0.1", which is unique among
|
|
* the URL protocols specified in RFC 1738
|
|
*/
|
|
if(path[0] != '/') {
|
|
/* the URL included a host name, we ignore host names in file:// URLs
|
|
as the standards don't define what to do with them */
|
|
char *ptr=strchr(path, '/');
|
|
if(ptr) {
|
|
/* there was a slash present
|
|
|
|
RFC1738 (section 3.1, page 5) says:
|
|
|
|
The rest of the locator consists of data specific to the scheme,
|
|
and is known as the "url-path". It supplies the details of how the
|
|
specified resource can be accessed. Note that the "/" between the
|
|
host (or port) and the url-path is NOT part of the url-path.
|
|
|
|
As most agents use file://localhost/foo to get '/foo' although the
|
|
slash preceding foo is a separator and not a slash for the path,
|
|
a URL as file://localhost//foo must be valid as well, to refer to
|
|
the same file with an absolute path.
|
|
*/
|
|
|
|
if(ptr[1] && ('/' == ptr[1]))
|
|
/* if there was two slashes, we skip the first one as that is then
|
|
used truly as a separator */
|
|
ptr++;
|
|
|
|
/* This cannot be made with strcpy, as the memory chunks overlap! */
|
|
memmove(path, ptr, strlen(ptr)+1);
|
|
}
|
|
}
|
|
|
|
strcpy(conn->protostr, "file"); /* store protocol string lowercase */
|
|
}
|
|
else {
|
|
/* clear path */
|
|
path[0]=0;
|
|
|
|
if(2 > sscanf(data->change.url,
|
|
"%15[^\n:]://%[^\n/]%[^\n]",
|
|
conn->protostr,
|
|
conn->host.name, path)) {
|
|
|
|
/*
|
|
* The URL was badly formatted, let's try the browser-style _without_
|
|
* protocol specified like 'http://'.
|
|
*/
|
|
if(1 > (rc = sscanf(data->change.url, "%[^\n/]%[^\n]",
|
|
conn->host.name, path)) ) {
|
|
/*
|
|
* We couldn't even get this format.
|
|
* djgpp 2.04 has a sscanf() bug where 'conn->host.name' is
|
|
* assigned, but the return value is EOF!
|
|
*/
|
|
#if defined(__DJGPP__) && (DJGPP_MINOR == 4)
|
|
if (!(rc == -1 && *conn->host.name))
|
|
#endif
|
|
{
|
|
failf(data, "<url> malformed");
|
|
return CURLE_URL_MALFORMAT;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Since there was no protocol part specified, we guess what protocol it
|
|
* is based on the first letters of the server name.
|
|
*/
|
|
|
|
/* Note: if you add a new protocol, please update the list in
|
|
* lib/version.c too! */
|
|
|
|
if(checkprefix("FTP.", conn->host.name))
|
|
strcpy(conn->protostr, "ftp");
|
|
else if(checkprefix("DICT.", conn->host.name))
|
|
strcpy(conn->protostr, "DICT");
|
|
else if(checkprefix("LDAP.", conn->host.name))
|
|
strcpy(conn->protostr, "LDAP");
|
|
else {
|
|
strcpy(conn->protostr, "http");
|
|
}
|
|
|
|
conn->protocol |= PROT_MISSING; /* not given in URL */
|
|
}
|
|
}
|
|
|
|
/* We search for '?' in the host name (but only on the right side of a
|
|
* @-letter to allow ?-letters in username and password) to handle things
|
|
* like http://example.com?param= (notice the missing '/').
|
|
*/
|
|
at = strchr(conn->host.name, '@');
|
|
if(at)
|
|
tmp = strchr(at+1, '?');
|
|
else
|
|
tmp = strchr(conn->host.name, '?');
|
|
|
|
if(tmp) {
|
|
/* We must insert a slash before the '?'-letter in the URL. If the URL had
|
|
a slash after the '?', that is where the path currently begins and the
|
|
'?string' is still part of the host name.
|
|
|
|
We must move the trailing part from the host name and put it first in
|
|
the path. And have it all prefixed with a slash.
|
|
*/
|
|
|
|
size_t hostlen = strlen(tmp);
|
|
size_t pathlen = strlen(path);
|
|
|
|
/* move the existing path plus the zero byte forward, to make room for
|
|
the host-name part */
|
|
memmove(path+hostlen+1, path, pathlen+1);
|
|
|
|
/* now copy the trailing host part in front of the existing path */
|
|
memcpy(path+1, tmp, hostlen);
|
|
|
|
path[0]='/'; /* prepend the missing slash */
|
|
|
|
*tmp=0; /* now cut off the hostname at the ? */
|
|
}
|
|
else if(!path[0]) {
|
|
/* if there's no path set, use a single slash */
|
|
strcpy(path, "/");
|
|
}
|
|
|
|
/* If the URL is malformatted (missing a '/' after hostname before path) we
|
|
* insert a slash here. The only letter except '/' we accept to start a path
|
|
* is '?'.
|
|
*/
|
|
if(path[0] == '?') {
|
|
/* We need this function to deal with overlapping memory areas. We know
|
|
that the memory area 'path' points to is 'urllen' bytes big and that
|
|
is bigger than the path. Use +1 to move the zero byte too. */
|
|
memmove(&path[1], path, strlen(path)+1);
|
|
path[0] = '/';
|
|
}
|
|
|
|
if (conn->host.name[0] == '[') {
|
|
/* This looks like an IPv6 address literal. See if there is an address
|
|
scope. */
|
|
char *percent = strstr (conn->host.name, "%25");
|
|
if (percent) {
|
|
char *endp;
|
|
unsigned int scope = strtoul (percent + 3, &endp, 10);
|
|
if (*endp == ']') {
|
|
/* The address scope was well formed. Knock it out of the hostname. */
|
|
memmove(percent, endp, strlen(endp)+1);
|
|
if (!data->state.this_is_a_follow)
|
|
/* Don't honour a scope given in a Location: header */
|
|
conn->scope = scope;
|
|
} else
|
|
infof(data, "Invalid IPv6 address format\n");
|
|
}
|
|
}
|
|
|
|
if (data->set.scope)
|
|
/* Override any scope that was set above. */
|
|
conn->scope = data->set.scope;
|
|
|
|
/*
|
|
* So if the URL was A://B/C,
|
|
* conn->protostr is A
|
|
* conn->host.name is B
|
|
* data->state.path is /C
|
|
*/
|
|
(void)rc;
|
|
return CURLE_OK;
|
|
}
|
|
|
|
static void llist_dtor(void *user, void *element)
|
|
{
|
|
(void)user;
|
|
(void)element;
|
|
/* Do nothing */
|
|
}
|
|
|
|
/*
|
|
* If we're doing a resumed transfer, we need to setup our stuff
|
|
* properly.
|
|
*/
|
|
static CURLcode setup_range(struct SessionHandle *data)
|
|
{
|
|
struct UrlState *s = &data->state;
|
|
s->resume_from = data->set.set_resume_from;
|
|
if(s->resume_from || data->set.str[STRING_SET_RANGE]) {
|
|
if(s->rangestringalloc)
|
|
free(s->range);
|
|
|
|
if(s->resume_from)
|
|
s->range = aprintf("%" FORMAT_OFF_TU "-", s->resume_from);
|
|
else
|
|
s->range = strdup(data->set.str[STRING_SET_RANGE]);
|
|
|
|
s->rangestringalloc = (bool)(s->range?TRUE:FALSE);
|
|
|
|
if(!s->range)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
/* tell ourselves to fetch this range */
|
|
s->use_range = TRUE; /* enable range download */
|
|
}
|
|
else
|
|
s->use_range = FALSE; /* disable range download */
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
|
|
/***************************************************************
|
|
* Setup connection internals specific to the requested protocol
|
|
***************************************************************/
|
|
static CURLcode setup_connection_internals(struct SessionHandle *data,
|
|
struct connectdata *conn)
|
|
{
|
|
const struct Curl_handler * const * pp;
|
|
const struct Curl_handler * p;
|
|
CURLcode result;
|
|
|
|
conn->socktype = SOCK_STREAM; /* most of them are TCP streams */
|
|
|
|
/* Scan protocol handler table. */
|
|
|
|
for (pp = protocols; (p = *pp) != NULL; pp++)
|
|
if(strequal(p->scheme, conn->protostr)) {
|
|
/* Protocol found in table. Perform setup complement if some. */
|
|
conn->handler = p;
|
|
|
|
if(p->setup_connection) {
|
|
result = (*p->setup_connection)(conn);
|
|
|
|
if(result != CURLE_OK)
|
|
return result;
|
|
|
|
p = conn->handler; /* May have changed. */
|
|
}
|
|
|
|
conn->port = p->defport;
|
|
conn->remote_port = (unsigned short)p->defport;
|
|
conn->protocol |= p->protocol;
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/* The protocol was not found in the table, but we don't have to assign it
|
|
to anything since it is already assigned to a dummy-struct in the
|
|
create_conn() function when the connectdata struct is allocated. */
|
|
failf(data, "Protocol %s not supported or disabled in " LIBCURL_NAME,
|
|
conn->protostr);
|
|
return CURLE_UNSUPPORTED_PROTOCOL;
|
|
}
|
|
|
|
/****************************************************************
|
|
* Detect what (if any) proxy to use. Remember that this selects a host
|
|
* name and is not limited to HTTP proxies only.
|
|
* The returned pointer must be freed by the caller (unless NULL)
|
|
****************************************************************/
|
|
static char *detect_proxy(struct connectdata *conn)
|
|
{
|
|
char *proxy = NULL;
|
|
|
|
#ifndef CURL_DISABLE_HTTP
|
|
/* If proxy was not specified, we check for default proxy environment
|
|
* variables, to enable i.e Lynx compliance:
|
|
*
|
|
* http_proxy=http://some.server.dom:port/
|
|
* https_proxy=http://some.server.dom:port/
|
|
* ftp_proxy=http://some.server.dom:port/
|
|
* no_proxy=domain1.dom,host.domain2.dom
|
|
* (a comma-separated list of hosts which should
|
|
* not be proxied, or an asterisk to override
|
|
* all proxy variables)
|
|
* all_proxy=http://some.server.dom:port/
|
|
* (seems to exist for the CERN www lib. Probably
|
|
* the first to check for.)
|
|
*
|
|
* For compatibility, the all-uppercase versions of these variables are
|
|
* checked if the lowercase versions don't exist.
|
|
*/
|
|
char *no_proxy=NULL;
|
|
char *no_proxy_tok_buf;
|
|
char proxy_env[128];
|
|
|
|
no_proxy=curl_getenv("no_proxy");
|
|
if(!no_proxy)
|
|
no_proxy=curl_getenv("NO_PROXY");
|
|
|
|
if(!no_proxy || !strequal("*", no_proxy)) {
|
|
/* NO_PROXY wasn't specified or it wasn't just an asterisk */
|
|
char *nope;
|
|
|
|
nope=no_proxy?strtok_r(no_proxy, ", ", &no_proxy_tok_buf):NULL;
|
|
while(nope) {
|
|
size_t namelen;
|
|
char *endptr = strchr(conn->host.name, ':');
|
|
if(endptr)
|
|
namelen=endptr-conn->host.name;
|
|
else
|
|
namelen=strlen(conn->host.name);
|
|
|
|
if(strlen(nope) <= namelen) {
|
|
char *checkn=
|
|
conn->host.name + namelen - strlen(nope);
|
|
if(checkprefix(nope, checkn)) {
|
|
/* no proxy for this host! */
|
|
break;
|
|
}
|
|
}
|
|
nope=strtok_r(NULL, ", ", &no_proxy_tok_buf);
|
|
}
|
|
if(!nope) {
|
|
/* It was not listed as without proxy */
|
|
char *protop = conn->protostr;
|
|
char *envp = proxy_env;
|
|
char *prox;
|
|
|
|
/* Now, build <protocol>_proxy and check for such a one to use */
|
|
while(*protop)
|
|
*envp++ = (char)tolower((int)*protop++);
|
|
|
|
/* append _proxy */
|
|
strcpy(envp, "_proxy");
|
|
|
|
/* read the protocol proxy: */
|
|
prox=curl_getenv(proxy_env);
|
|
|
|
/*
|
|
* We don't try the uppercase version of HTTP_PROXY because of
|
|
* security reasons:
|
|
*
|
|
* When curl is used in a webserver application
|
|
* environment (cgi or php), this environment variable can
|
|
* be controlled by the web server user by setting the
|
|
* http header 'Proxy:' to some value.
|
|
*
|
|
* This can cause 'internal' http/ftp requests to be
|
|
* arbitrarily redirected by any external attacker.
|
|
*/
|
|
if(!prox && !strequal("http_proxy", proxy_env)) {
|
|
/* There was no lowercase variable, try the uppercase version: */
|
|
for(envp = proxy_env; *envp; envp++)
|
|
*envp = (char)toupper((int)*envp);
|
|
prox=curl_getenv(proxy_env);
|
|
}
|
|
|
|
if(prox && *prox) { /* don't count "" strings */
|
|
proxy = prox; /* use this */
|
|
}
|
|
else {
|
|
proxy = curl_getenv("all_proxy"); /* default proxy to use */
|
|
if(!proxy)
|
|
proxy=curl_getenv("ALL_PROXY");
|
|
}
|
|
|
|
if(proxy && *proxy) {
|
|
long bits = conn->protocol & (PROT_HTTPS|PROT_SSL|PROT_MISSING);
|
|
|
|
if(conn->proxytype == CURLPROXY_HTTP) {
|
|
/* force this connection's protocol to become HTTP */
|
|
conn->protocol = PROT_HTTP | bits;
|
|
conn->bits.proxy = conn->bits.httpproxy = TRUE;
|
|
}
|
|
}
|
|
} /* if(!nope) - it wasn't specified non-proxy */
|
|
} /* NO_PROXY wasn't specified or '*' */
|
|
if(no_proxy)
|
|
free(no_proxy);
|
|
|
|
#else /* !CURL_DISABLE_HTTP */
|
|
|
|
(void)conn;
|
|
#endif /* CURL_DISABLE_HTTP */
|
|
|
|
return proxy;
|
|
}
|
|
|
|
/*
|
|
* If this is supposed to use a proxy, we need to figure out the proxy
|
|
* host name, so that we can re-use an existing connection
|
|
* that may exist registered to the same proxy host.
|
|
* proxy will be freed before this function returns.
|
|
*/
|
|
static CURLcode parse_proxy(struct SessionHandle *data,
|
|
struct connectdata *conn, char *proxy)
|
|
{
|
|
char *prox_portno;
|
|
char *endofprot;
|
|
|
|
/* We use 'proxyptr' to point to the proxy name from now on... */
|
|
char *proxyptr=proxy;
|
|
char *portptr;
|
|
char *atsign;
|
|
|
|
/* We do the proxy host string parsing here. We want the host name and the
|
|
* port name. Accept a protocol:// prefix, even though it should just be
|
|
* ignored.
|
|
*/
|
|
|
|
/* Skip the protocol part if present */
|
|
endofprot=strstr(proxyptr, "://");
|
|
if(endofprot)
|
|
proxyptr = endofprot+3;
|
|
|
|
/* Is there a username and password given in this proxy url? */
|
|
atsign = strchr(proxyptr, '@');
|
|
if(atsign) {
|
|
char proxyuser[MAX_CURL_USER_LENGTH];
|
|
char proxypasswd[MAX_CURL_PASSWORD_LENGTH];
|
|
proxypasswd[0] = 0;
|
|
|
|
if(1 <= sscanf(proxyptr,
|
|
"%" MAX_CURL_USER_LENGTH_TXT"[^:@]:"
|
|
"%" MAX_CURL_PASSWORD_LENGTH_TXT "[^@]",
|
|
proxyuser, proxypasswd)) {
|
|
CURLcode res = CURLE_OK;
|
|
|
|
/* found user and password, rip them out. note that we are
|
|
unescaping them, as there is otherwise no way to have a
|
|
username or password with reserved characters like ':' in
|
|
them. */
|
|
Curl_safefree(conn->proxyuser);
|
|
conn->proxyuser = curl_easy_unescape(data, proxyuser, 0, NULL);
|
|
|
|
if(!conn->proxyuser)
|
|
res = CURLE_OUT_OF_MEMORY;
|
|
else {
|
|
Curl_safefree(conn->proxypasswd);
|
|
conn->proxypasswd = curl_easy_unescape(data, proxypasswd, 0, NULL);
|
|
|
|
if(!conn->proxypasswd)
|
|
res = CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
if(CURLE_OK == res) {
|
|
conn->bits.proxy_user_passwd = TRUE; /* enable it */
|
|
atsign = strdup(atsign+1); /* the right side of the @-letter */
|
|
|
|
if(atsign) {
|
|
free(proxy); /* free the former proxy string */
|
|
proxy = proxyptr = atsign; /* now use this instead */
|
|
}
|
|
else
|
|
res = CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
if(res) {
|
|
free(proxy); /* free the allocated proxy string */
|
|
return res;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* start scanning for port number at this point */
|
|
portptr = proxyptr;
|
|
|
|
/* detect and extract RFC2732-style IPv6-addresses */
|
|
if(*proxyptr == '[') {
|
|
char *ptr = ++proxyptr; /* advance beyond the initial bracket */
|
|
while(*ptr && (ISXDIGIT(*ptr) || (*ptr == ':') || (*ptr == '%') || (*ptr == '.')))
|
|
ptr++;
|
|
if(*ptr == ']') {
|
|
/* yeps, it ended nicely with a bracket as well */
|
|
*ptr++ = 0;
|
|
} else
|
|
infof(data, "Invalid IPv6 address format\n");
|
|
portptr = ptr;
|
|
/* Note that if this didn't end with a bracket, we still advanced the
|
|
* proxyptr first, but I can't see anything wrong with that as no host
|
|
* name nor a numeric can legally start with a bracket.
|
|
*/
|
|
}
|
|
|
|
/* Get port number off proxy.server.com:1080 */
|
|
prox_portno = strchr(portptr, ':');
|
|
if(prox_portno) {
|
|
*prox_portno = 0x0; /* cut off number from host name */
|
|
prox_portno ++;
|
|
/* now set the local port number */
|
|
conn->port = atoi(prox_portno);
|
|
}
|
|
else {
|
|
/* without a port number after the host name, some people seem to use
|
|
a slash so we strip everything from the first slash */
|
|
atsign = strchr(proxyptr, '/');
|
|
if(atsign)
|
|
*atsign = 0x0; /* cut off path part from host name */
|
|
|
|
if(data->set.proxyport)
|
|
/* None given in the proxy string, then get the default one if it is
|
|
given */
|
|
conn->port = data->set.proxyport;
|
|
}
|
|
|
|
/* now, clone the cleaned proxy host name */
|
|
conn->proxy.rawalloc = strdup(proxyptr);
|
|
conn->proxy.name = conn->proxy.rawalloc;
|
|
|
|
free(proxy);
|
|
if(!conn->proxy.rawalloc)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/*
|
|
* Extract the user and password from the authentication string
|
|
*/
|
|
static CURLcode parse_proxy_auth(struct SessionHandle *data,
|
|
struct connectdata *conn)
|
|
{
|
|
char proxyuser[MAX_CURL_USER_LENGTH]="";
|
|
char proxypasswd[MAX_CURL_PASSWORD_LENGTH]="";
|
|
|
|
sscanf(data->set.str[STRING_PROXYUSERPWD],
|
|
"%" MAX_CURL_USER_LENGTH_TXT "[^:]:"
|
|
"%" MAX_CURL_PASSWORD_LENGTH_TXT "[^\n]",
|
|
proxyuser, proxypasswd);
|
|
|
|
conn->proxyuser = curl_easy_unescape(data, proxyuser, 0, NULL);
|
|
if(!conn->proxyuser)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
conn->proxypasswd = curl_easy_unescape(data, proxypasswd, 0, NULL);
|
|
if(!conn->proxypasswd)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/*
|
|
*
|
|
* Parse a user name and password in the URL and strip it out of the host name
|
|
*
|
|
* Inputs: data->set.use_netrc (CURLOPT_NETRC)
|
|
* conn->host.name
|
|
*
|
|
* Outputs: (almost :- all currently undefined)
|
|
* conn->bits.user_passwd - non-zero if non-default passwords exist
|
|
* user - non-zero length if defined
|
|
* passwd - ditto
|
|
* conn->host.name - remove user name and password
|
|
*/
|
|
static CURLcode parse_url_userpass(struct SessionHandle *data,
|
|
struct connectdata *conn,
|
|
char *user, char *passwd)
|
|
{
|
|
/* At this point, we're hoping all the other special cases have
|
|
* been taken care of, so conn->host.name is at most
|
|
* [user[:password]]@]hostname
|
|
*
|
|
* We need somewhere to put the embedded details, so do that first.
|
|
*/
|
|
|
|
user[0] =0; /* to make everything well-defined */
|
|
passwd[0]=0;
|
|
|
|
if(conn->protocol & (PROT_FTP|PROT_HTTP|PROT_SCP|PROT_SFTP)) {
|
|
/* This is a FTP, HTTP, SCP or SFTP URL, we will now try to extract the
|
|
* possible user+password pair in a string like:
|
|
* ftp://user:password@ftp.my.site:8021/README */
|
|
char *ptr=strchr(conn->host.name, '@');
|
|
char *userpass = conn->host.name;
|
|
if(ptr != NULL) {
|
|
/* there's a user+password given here, to the left of the @ */
|
|
|
|
conn->host.name = ++ptr;
|
|
|
|
/* So the hostname is sane. Only bother interpreting the
|
|
* results if we could care. It could still be wasted
|
|
* work because it might be overtaken by the programmatically
|
|
* set user/passwd, but doing that first adds more cases here :-(
|
|
*/
|
|
|
|
if(data->set.use_netrc != CURL_NETRC_REQUIRED) {
|
|
/* We could use the one in the URL */
|
|
|
|
conn->bits.user_passwd = 1; /* enable user+password */
|
|
|
|
if(*userpass != ':') {
|
|
/* the name is given, get user+password */
|
|
sscanf(userpass, "%" MAX_CURL_USER_LENGTH_TXT "[^:@]:"
|
|
"%" MAX_CURL_PASSWORD_LENGTH_TXT "[^@]",
|
|
user, passwd);
|
|
}
|
|
else
|
|
/* no name given, get the password only */
|
|
sscanf(userpass, ":%" MAX_CURL_PASSWORD_LENGTH_TXT "[^@]", passwd);
|
|
|
|
if(user[0]) {
|
|
char *newname=curl_easy_unescape(data, user, 0, NULL);
|
|
if(!newname)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
if(strlen(newname) < MAX_CURL_USER_LENGTH)
|
|
strcpy(user, newname);
|
|
|
|
/* if the new name is longer than accepted, then just use
|
|
the unconverted name, it'll be wrong but what the heck */
|
|
free(newname);
|
|
}
|
|
if(passwd[0]) {
|
|
/* we have a password found in the URL, decode it! */
|
|
char *newpasswd=curl_easy_unescape(data, passwd, 0, NULL);
|
|
if(!newpasswd)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
if(strlen(newpasswd) < MAX_CURL_PASSWORD_LENGTH)
|
|
strcpy(passwd, newpasswd);
|
|
|
|
free(newpasswd);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/*************************************************************
|
|
* Figure out the remote port number and fix it in the URL
|
|
*
|
|
* No matter if we use a proxy or not, we have to figure out the remote
|
|
* port number of various reasons.
|
|
*
|
|
* To be able to detect port number flawlessly, we must not confuse them
|
|
* IPv6-specified addresses in the [0::1] style. (RFC2732)
|
|
*
|
|
* The conn->host.name is currently [user:passwd@]host[:port] where host
|
|
* could be a hostname, IPv4 address or IPv6 address.
|
|
*
|
|
* The port number embedded in the URL is replaced, if necessary.
|
|
*************************************************************/
|
|
static CURLcode parse_remote_port(struct SessionHandle *data,
|
|
struct connectdata *conn)
|
|
{
|
|
char *portptr;
|
|
char endbracket;
|
|
|
|
if((1 == sscanf(conn->host.name, "[%*39[0123456789abcdefABCDEF:.%]%c", &endbracket)) &&
|
|
(']' == endbracket)) {
|
|
/* this is a RFC2732-style specified IP-address */
|
|
conn->bits.ipv6_ip = TRUE;
|
|
|
|
conn->host.name++; /* skip over the starting bracket */
|
|
portptr = strchr(conn->host.name, ']');
|
|
*portptr++ = 0; /* zero terminate, killing the bracket */
|
|
if(':' != *portptr)
|
|
portptr = NULL; /* no port number available */
|
|
}
|
|
else
|
|
portptr = strrchr(conn->host.name, ':');
|
|
|
|
if(data->set.use_port && data->state.allow_port) {
|
|
/* if set, we use this and ignore the port possibly given in the URL */
|
|
conn->remote_port = (unsigned short)data->set.use_port;
|
|
if(portptr)
|
|
*portptr = '\0'; /* cut off the name there anyway - if there was a port
|
|
number - since the port number is to be ignored! */
|
|
if(conn->bits.httpproxy) {
|
|
/* we need to create new URL with the new port number */
|
|
char *url;
|
|
bool isftp = (bool)(strequal("ftp", conn->protostr) ||
|
|
strequal("ftps", conn->protostr));
|
|
|
|
/*
|
|
* This synthesized URL isn't always right--suffixes like ;type=A
|
|
* are stripped off. It would be better to work directly from the
|
|
* original URL and simply replace the port part of it.
|
|
*/
|
|
url = aprintf("%s://%s%s%s:%d%s%s", conn->protostr,
|
|
conn->bits.ipv6_ip?"[":"", conn->host.name,
|
|
conn->bits.ipv6_ip?"]":"", conn->remote_port,
|
|
isftp?"/":"", data->state.path);
|
|
if(!url)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
if(data->change.url_alloc)
|
|
free(data->change.url);
|
|
|
|
data->change.url = url;
|
|
data->change.url_alloc = TRUE;
|
|
}
|
|
}
|
|
else if(portptr) {
|
|
/* no CURLOPT_PORT given, extract the one from the URL */
|
|
|
|
char *rest;
|
|
unsigned long port;
|
|
|
|
port=strtoul(portptr+1, &rest, 10); /* Port number must be decimal */
|
|
|
|
if(rest != (portptr+1) && *rest == '\0') {
|
|
/* The colon really did have only digits after it,
|
|
* so it is either a port number or a mistake */
|
|
|
|
if(port > 0xffff) { /* Single unix standard says port numbers are
|
|
* 16 bits long */
|
|
failf(data, "Port number too large: %lu", port);
|
|
return CURLE_URL_MALFORMAT;
|
|
}
|
|
|
|
*portptr = '\0'; /* cut off the name there */
|
|
conn->remote_port = (unsigned short)port;
|
|
}
|
|
}
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/*
|
|
* Override a user name and password from the URL with that in the
|
|
* CURLOPT_USERPWD option or a .netrc file, if applicable.
|
|
*/
|
|
static void override_userpass(struct SessionHandle *data,
|
|
struct connectdata *conn,
|
|
char *user, char *passwd)
|
|
{
|
|
if(data->set.str[STRING_USERPWD] != NULL) {
|
|
/* the name is given, get user+password */
|
|
sscanf(data->set.str[STRING_USERPWD],
|
|
"%" MAX_CURL_USER_LENGTH_TXT "[^:]:"
|
|
"%" MAX_CURL_PASSWORD_LENGTH_TXT "[^\n]",
|
|
user, passwd);
|
|
}
|
|
|
|
conn->bits.netrc = FALSE;
|
|
if(data->set.use_netrc != CURL_NETRC_IGNORED) {
|
|
if(Curl_parsenetrc(conn->host.name,
|
|
user, passwd,
|
|
data->set.str[STRING_NETRC_FILE])) {
|
|
infof(data, "Couldn't find host %s in the "
|
|
DOT_CHAR "netrc file; using defaults\n",
|
|
conn->host.name);
|
|
}
|
|
else {
|
|
/* set bits.netrc TRUE to remember that we got the name from a .netrc
|
|
file, so that it is safe to use even if we followed a Location: to a
|
|
different host or similar. */
|
|
conn->bits.netrc = TRUE;
|
|
|
|
conn->bits.user_passwd = 1; /* enable user+password */
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set password so it's available in the connection.
|
|
*/
|
|
static CURLcode set_userpass(struct connectdata *conn,
|
|
const char *user, const char *passwd)
|
|
{
|
|
/* If our protocol needs a password and we have none, use the defaults */
|
|
if( (conn->protocol & PROT_FTP) &&
|
|
!conn->bits.user_passwd) {
|
|
|
|
conn->user = strdup(CURL_DEFAULT_USER);
|
|
conn->passwd = strdup(CURL_DEFAULT_PASSWORD);
|
|
/* This is the default password, so DON'T set conn->bits.user_passwd */
|
|
}
|
|
else {
|
|
/* store user + password, zero-length if not set */
|
|
conn->user = strdup(user);
|
|
conn->passwd = strdup(passwd);
|
|
}
|
|
if(!conn->user || !conn->passwd)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/*************************************************************
|
|
* Resolve the address of the server or proxy
|
|
*************************************************************/
|
|
static CURLcode resolve_server(struct SessionHandle *data,
|
|
struct connectdata *conn,
|
|
struct Curl_dns_entry **addr,
|
|
bool *async)
|
|
{
|
|
CURLcode result=CURLE_OK;
|
|
long shortest = 0; /* default to no timeout */
|
|
|
|
/*************************************************************
|
|
* Set timeout if that is being used
|
|
*************************************************************/
|
|
if(data->set.timeout || data->set.connecttimeout) {
|
|
|
|
/* We set the timeout on the name resolving phase first, separately from
|
|
* the download/upload part to allow a maximum time on everything. This is
|
|
* a signal-based timeout, why it won't work and shouldn't be used in
|
|
* multi-threaded environments. */
|
|
|
|
shortest = data->set.timeout; /* default to this timeout value */
|
|
if(shortest && data->set.connecttimeout &&
|
|
(data->set.connecttimeout < shortest))
|
|
/* if both are set, pick the shortest */
|
|
shortest = data->set.connecttimeout;
|
|
else if(!shortest)
|
|
/* if timeout is not set, use the connect timeout */
|
|
shortest = data->set.connecttimeout;
|
|
/* We can expect the conn->created time to be "now", as that was just
|
|
recently set in the beginning of this function and nothing slow
|
|
has been done since then until now. */
|
|
}
|
|
|
|
/*************************************************************
|
|
* Resolve the name of the server or proxy
|
|
*************************************************************/
|
|
if(conn->bits.reuse) {
|
|
/* re-used connection, no resolving is necessary */
|
|
*addr = NULL;
|
|
/* we'll need to clear conn->dns_entry later in Curl_disconnect() */
|
|
|
|
if(conn->bits.proxy)
|
|
fix_hostname(data, conn, &conn->host);
|
|
}
|
|
else {
|
|
/* this is a fresh connect */
|
|
int rc;
|
|
struct Curl_dns_entry *hostaddr;
|
|
|
|
/* set a pointer to the hostname we display */
|
|
fix_hostname(data, conn, &conn->host);
|
|
|
|
if(!conn->proxy.name || !*conn->proxy.name) {
|
|
/* If not connecting via a proxy, extract the port from the URL, if it is
|
|
* there, thus overriding any defaults that might have been set above. */
|
|
conn->port = conn->remote_port; /* it is the same port */
|
|
|
|
/* Resolve target host right on */
|
|
rc = Curl_resolv_timeout(conn, conn->host.name, (int)conn->port,
|
|
&hostaddr, shortest);
|
|
if(rc == CURLRESOLV_PENDING)
|
|
*async = TRUE;
|
|
|
|
else if (rc == CURLRESOLV_TIMEDOUT)
|
|
result = CURLE_OPERATION_TIMEDOUT;
|
|
|
|
else if(!hostaddr) {
|
|
failf(data, "Couldn't resolve host '%s'", conn->host.dispname);
|
|
result = CURLE_COULDNT_RESOLVE_HOST;
|
|
/* don't return yet, we need to clean up the timeout first */
|
|
}
|
|
}
|
|
else {
|
|
/* This is a proxy that hasn't been resolved yet. */
|
|
|
|
/* IDN-fix the proxy name */
|
|
fix_hostname(data, conn, &conn->proxy);
|
|
|
|
/* resolve proxy */
|
|
rc = Curl_resolv_timeout(conn, conn->proxy.name, (int)conn->port,
|
|
&hostaddr, shortest);
|
|
|
|
if(rc == CURLRESOLV_PENDING)
|
|
*async = TRUE;
|
|
|
|
else if (rc == CURLRESOLV_TIMEDOUT)
|
|
result = CURLE_OPERATION_TIMEDOUT;
|
|
|
|
else if(!hostaddr) {
|
|
failf(data, "Couldn't resolve proxy '%s'", conn->proxy.dispname);
|
|
result = CURLE_COULDNT_RESOLVE_PROXY;
|
|
/* don't return yet, we need to clean up the timeout first */
|
|
}
|
|
}
|
|
*addr = hostaddr;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Cleanup the connection just allocated before we can move along and use the
|
|
* previously existing one. All relevant data is copied over and old_conn is
|
|
* ready for freeing once this function returns.
|
|
*/
|
|
static void reuse_conn(struct connectdata *old_conn,
|
|
struct connectdata *conn)
|
|
{
|
|
if(old_conn->proxy.rawalloc)
|
|
free(old_conn->proxy.rawalloc);
|
|
|
|
/* free the SSL config struct from this connection struct as this was
|
|
allocated in vain and is targeted for destruction */
|
|
Curl_free_ssl_config(&old_conn->ssl_config);
|
|
|
|
conn->data = old_conn->data;
|
|
|
|
/* get the user+password information from the old_conn struct since it may
|
|
* be new for this request even when we re-use an existing connection */
|
|
conn->bits.user_passwd = old_conn->bits.user_passwd;
|
|
if(conn->bits.user_passwd) {
|
|
/* use the new user name and password though */
|
|
Curl_safefree(conn->user);
|
|
Curl_safefree(conn->passwd);
|
|
conn->user = old_conn->user;
|
|
conn->passwd = old_conn->passwd;
|
|
old_conn->user = NULL;
|
|
old_conn->passwd = NULL;
|
|
}
|
|
|
|
conn->bits.proxy_user_passwd = old_conn->bits.proxy_user_passwd;
|
|
if(conn->bits.proxy_user_passwd) {
|
|
/* use the new proxy user name and proxy password though */
|
|
Curl_safefree(conn->proxyuser);
|
|
Curl_safefree(conn->proxypasswd);
|
|
conn->proxyuser = old_conn->proxyuser;
|
|
conn->proxypasswd = old_conn->proxypasswd;
|
|
old_conn->proxyuser = NULL;
|
|
old_conn->proxypasswd = NULL;
|
|
}
|
|
|
|
/* host can change, when doing keepalive with a proxy ! */
|
|
if(conn->bits.proxy) {
|
|
free(conn->host.rawalloc);
|
|
conn->host=old_conn->host;
|
|
}
|
|
else
|
|
free(old_conn->host.rawalloc); /* free the newly allocated name buffer */
|
|
|
|
/* re-use init */
|
|
conn->bits.reuse = TRUE; /* yes, we're re-using here */
|
|
|
|
Curl_safefree(old_conn->user);
|
|
Curl_safefree(old_conn->passwd);
|
|
Curl_safefree(old_conn->proxyuser);
|
|
Curl_safefree(old_conn->proxypasswd);
|
|
Curl_llist_destroy(old_conn->send_pipe, NULL);
|
|
Curl_llist_destroy(old_conn->recv_pipe, NULL);
|
|
Curl_llist_destroy(old_conn->pend_pipe, NULL);
|
|
Curl_safefree(old_conn->master_buffer);
|
|
}
|
|
|
|
/**
|
|
* create_conn() sets up a new connectdata struct, or re-uses an already
|
|
* existing one, and resolves host name.
|
|
*
|
|
* if this function returns CURLE_OK and *async is set to TRUE, the resolve
|
|
* response will be coming asynchronously. If *async is FALSE, the name is
|
|
* already resolved.
|
|
*
|
|
* @param data The sessionhandle pointer
|
|
* @param in_connect is set to the next connection data pointer
|
|
* @param addr is set to the new dns entry for this connection. If this
|
|
* connection is re-used it will be NULL.
|
|
* @param async is set TRUE/FALSE depending on the nature of this lookup
|
|
* @return CURLcode
|
|
* @see setup_conn()
|
|
*
|
|
* *NOTE* this function assigns the conn->data pointer!
|
|
*/
|
|
|
|
static CURLcode create_conn(struct SessionHandle *data,
|
|
struct connectdata **in_connect,
|
|
struct Curl_dns_entry **addr,
|
|
bool *async)
|
|
{
|
|
CURLcode result=CURLE_OK;
|
|
struct connectdata *conn;
|
|
struct connectdata *conn_temp = NULL;
|
|
size_t urllen;
|
|
char user[MAX_CURL_USER_LENGTH];
|
|
char passwd[MAX_CURL_PASSWORD_LENGTH];
|
|
bool reuse;
|
|
char *proxy = NULL;
|
|
|
|
*addr = NULL; /* nothing yet */
|
|
*async = FALSE;
|
|
|
|
/*************************************************************
|
|
* Check input data
|
|
*************************************************************/
|
|
|
|
if(!data->change.url)
|
|
return CURLE_URL_MALFORMAT;
|
|
|
|
/* First, split up the current URL in parts so that we can use the
|
|
parts for checking against the already present connections. In order
|
|
to not have to modify everything at once, we allocate a temporary
|
|
connection data struct and fill in for comparison purposes. */
|
|
|
|
conn = allocate_conn();
|
|
|
|
/* We must set the return variable as soon as possible, so that our
|
|
parent can cleanup any possible allocs we may have done before
|
|
any failure */
|
|
*in_connect = conn;
|
|
|
|
if(!conn)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
conn->data = data; /* Setup the association between this connection
|
|
and the SessionHandle */
|
|
|
|
conn->proxytype = data->set.proxytype; /* type */
|
|
conn->bits.proxy = (bool)(data->set.str[STRING_PROXY] &&
|
|
*data->set.str[STRING_PROXY]);
|
|
conn->bits.httpproxy = (bool)(conn->bits.proxy
|
|
&& (conn->proxytype == CURLPROXY_HTTP));
|
|
|
|
|
|
conn->bits.user_passwd = (bool)(NULL != data->set.str[STRING_USERPWD]);
|
|
conn->bits.proxy_user_passwd = (bool)(NULL != data->set.str[STRING_PROXYUSERPWD]);
|
|
conn->bits.tunnel_proxy = data->set.tunnel_thru_httpproxy;
|
|
conn->bits.ftp_use_epsv = data->set.ftp_use_epsv;
|
|
conn->bits.ftp_use_eprt = data->set.ftp_use_eprt;
|
|
|
|
if(data->multi && Curl_multi_canPipeline(data->multi) &&
|
|
!conn->master_buffer) {
|
|
/* Allocate master_buffer to be used for pipelining */
|
|
conn->master_buffer = calloc(BUFSIZE, sizeof (char));
|
|
if(!conn->master_buffer)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
/* Initialize the pipeline lists */
|
|
conn->send_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
|
|
conn->recv_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
|
|
conn->pend_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
|
|
if(!conn->send_pipe || !conn->recv_pipe || !conn->pend_pipe)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
/* This initing continues below, see the comment "Continue connectdata
|
|
* initialization here" */
|
|
|
|
/***********************************************************
|
|
* We need to allocate memory to store the path in. We get the size of the
|
|
* full URL to be sure, and we need to make it at least 256 bytes since
|
|
* other parts of the code will rely on this fact
|
|
***********************************************************/
|
|
#define LEAST_PATH_ALLOC 256
|
|
urllen=strlen(data->change.url);
|
|
if(urllen < LEAST_PATH_ALLOC)
|
|
urllen=LEAST_PATH_ALLOC;
|
|
|
|
/*
|
|
* We malloc() the buffers below urllen+2 to make room for to possibilities:
|
|
* 1 - an extra terminating zero
|
|
* 2 - an extra slash (in case a syntax like "www.host.com?moo" is used)
|
|
*/
|
|
|
|
Curl_safefree(data->state.pathbuffer);
|
|
data->state.pathbuffer = malloc(urllen+2);
|
|
if(NULL == data->state.pathbuffer)
|
|
return CURLE_OUT_OF_MEMORY; /* really bad error */
|
|
data->state.path = data->state.pathbuffer;
|
|
|
|
conn->host.rawalloc = malloc(urllen+2);
|
|
if(NULL == conn->host.rawalloc)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
conn->host.name = conn->host.rawalloc;
|
|
conn->host.name[0] = 0;
|
|
|
|
result = ParseURLAndFillConnection(data, conn);
|
|
if(result != CURLE_OK) {
|
|
return result;
|
|
}
|
|
|
|
/*************************************************************
|
|
* Extract the user and password from the authentication string
|
|
*************************************************************/
|
|
if(conn->bits.proxy_user_passwd) {
|
|
result = parse_proxy_auth(data, conn);
|
|
if(result != CURLE_OK)
|
|
return result;
|
|
}
|
|
|
|
/*************************************************************
|
|
* Detect what (if any) proxy to use
|
|
*************************************************************/
|
|
if(data->set.str[STRING_PROXY]) {
|
|
proxy = strdup(data->set.str[STRING_PROXY]);
|
|
/* if global proxy is set, this is it */
|
|
if(NULL == proxy) {
|
|
failf(data, "memory shortage");
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
|
|
if(!proxy)
|
|
proxy = detect_proxy(conn);
|
|
if(proxy && !*proxy) {
|
|
free(proxy); /* Don't bother with an empty proxy string */
|
|
proxy = NULL;
|
|
}
|
|
/* proxy must be freed later unless NULL */
|
|
|
|
/*************************************************************
|
|
* No protocol part in URL was used, add it!
|
|
*************************************************************/
|
|
if(conn->protocol&PROT_MISSING) {
|
|
/* We're guessing prefixes here and if we're told to use a proxy or if
|
|
we're gonna follow a Location: later or... then we need the protocol
|
|
part added so that we have a valid URL. */
|
|
char *reurl;
|
|
|
|
reurl = aprintf("%s://%s", conn->protostr, data->change.url);
|
|
|
|
if(!reurl) {
|
|
Curl_safefree(proxy);
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
data->change.url = reurl;
|
|
data->change.url_alloc = TRUE; /* free this later */
|
|
conn->protocol &= ~PROT_MISSING; /* switch that one off again */
|
|
}
|
|
|
|
/*************************************************************
|
|
* Setup internals depending on protocol
|
|
*************************************************************/
|
|
result = setup_connection_internals(data, conn);
|
|
if(result != CURLE_OK) {
|
|
Curl_safefree(proxy);
|
|
return result;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* If this is supposed to use a proxy, we need to figure out the proxy
|
|
* host name, so that we can re-use an existing connection
|
|
* that may exist registered to the same proxy host.
|
|
***********************************************************************/
|
|
if(proxy) {
|
|
result = parse_proxy(data, conn, proxy);
|
|
/* parse_proxy has freed the proxy string, so don't try to use it again */
|
|
proxy = NULL;
|
|
if(result != CURLE_OK)
|
|
return result;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* file: is a special case in that it doesn't need a network connection
|
|
***********************************************************************/
|
|
#ifndef CURL_DISABLE_FILE
|
|
if(conn->protocol & PROT_FILE) {
|
|
bool done;
|
|
/* this is supposed to be the connect function so we better at least check
|
|
that the file is present here! */
|
|
DEBUGASSERT(conn->handler->connect_it);
|
|
result = conn->handler->connect_it(conn, &done);
|
|
|
|
/* Setup a "faked" transfer that'll do nothing */
|
|
if(CURLE_OK == result) {
|
|
conn->data = data;
|
|
conn->bits.tcpconnect = TRUE; /* we are "connected */
|
|
|
|
ConnectionStore(data, conn);
|
|
|
|
/*
|
|
* Setup whatever necessary for a resumed transfer
|
|
*/
|
|
result = setup_range(data);
|
|
if(result) {
|
|
DEBUGASSERT(conn->handler->done);
|
|
/* we ignore the return code for the protocol-specific DONE */
|
|
(void)conn->handler->done(conn, result, FALSE);
|
|
return result;
|
|
}
|
|
|
|
result = Curl_setup_transfer(conn, -1, -1, FALSE,
|
|
NULL, /* no download */
|
|
-1, NULL); /* no upload */
|
|
}
|
|
|
|
return result;
|
|
}
|
|
#endif
|
|
|
|
/*************************************************************
|
|
* If the protocol is using SSL and HTTP proxy is used, we set
|
|
* the tunnel_proxy bit.
|
|
*************************************************************/
|
|
if((conn->protocol&PROT_SSL) && conn->bits.httpproxy)
|
|
conn->bits.tunnel_proxy = TRUE;
|
|
|
|
/*************************************************************
|
|
* Parse a user name and password in the URL and strip it out
|
|
* of the host name
|
|
*************************************************************/
|
|
result = parse_url_userpass(data, conn, user, passwd);
|
|
if(result != CURLE_OK)
|
|
return result;
|
|
|
|
/*************************************************************
|
|
* Figure out the remote port number and fix it in the URL
|
|
*************************************************************/
|
|
result = parse_remote_port(data, conn);
|
|
if(result != CURLE_OK)
|
|
return result;
|
|
|
|
/*************************************************************
|
|
* Check for an overridden user name and password, then set it
|
|
* for use
|
|
*************************************************************/
|
|
override_userpass(data, conn, user, passwd);
|
|
result = set_userpass(conn, user, passwd);
|
|
if(result != CURLE_OK)
|
|
return result;
|
|
|
|
/*************************************************************
|
|
* Check the current list of connections to see if we can
|
|
* re-use an already existing one or if we have to create a
|
|
* new one.
|
|
*************************************************************/
|
|
|
|
/* Get a cloned copy of the SSL config situation stored in the
|
|
connection struct. But to get this going nicely, we must first make
|
|
sure that the strings in the master copy are pointing to the correct
|
|
strings in the session handle strings array!
|
|
|
|
Keep in mind that the pointers in the master copy are pointing to strings
|
|
that will be freed as part of the SessionHandle struct, but all cloned
|
|
copies will be separately allocated.
|
|
*/
|
|
data->set.ssl.CApath = data->set.str[STRING_SSL_CAPATH];
|
|
data->set.ssl.CAfile = data->set.str[STRING_SSL_CAFILE];
|
|
data->set.ssl.CRLfile = data->set.str[STRING_SSL_CRLFILE];
|
|
data->set.ssl.issuercert = data->set.str[STRING_SSL_ISSUERCERT];
|
|
data->set.ssl.random_file = data->set.str[STRING_SSL_RANDOM_FILE];
|
|
data->set.ssl.egdsocket = data->set.str[STRING_SSL_EGDSOCKET];
|
|
data->set.ssl.cipher_list = data->set.str[STRING_SSL_CIPHER_LIST];
|
|
|
|
if(!Curl_clone_ssl_config(&data->set.ssl, &conn->ssl_config))
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
/* reuse_fresh is TRUE if we are told to use a new connection by force, but
|
|
we only acknowledge this option if this is not a re-used connection
|
|
already (which happens due to follow-location or during a HTTP
|
|
authentication phase). */
|
|
if(data->set.reuse_fresh && !data->state.this_is_a_follow)
|
|
reuse = FALSE;
|
|
else
|
|
reuse = ConnectionExists(data, conn, &conn_temp);
|
|
|
|
if(reuse) {
|
|
/*
|
|
* We already have a connection for this, we got the former connection
|
|
* in the conn_temp variable and thus we need to cleanup the one we
|
|
* just allocated before we can move along and use the previously
|
|
* existing one.
|
|
*/
|
|
reuse_conn(conn, conn_temp);
|
|
free(conn); /* we don't need this anymore */
|
|
conn = conn_temp;
|
|
*in_connect = conn;
|
|
infof(data, "Re-using existing connection! (#%ld) with host %s\n",
|
|
conn->connectindex,
|
|
conn->proxy.name?conn->proxy.dispname:conn->host.dispname);
|
|
}
|
|
else {
|
|
/*
|
|
* This is a brand new connection, so let's store it in the connection
|
|
* cache of ours!
|
|
*/
|
|
ConnectionStore(data, conn);
|
|
}
|
|
|
|
/*
|
|
* Setup whatever necessary for a resumed transfer
|
|
*/
|
|
result = setup_range(data);
|
|
if(result)
|
|
return result;
|
|
|
|
/* Continue connectdata initialization here. */
|
|
|
|
/*
|
|
* Inherit the proper values from the urldata struct AFTER we have arranged
|
|
* the persistent connection stuff
|
|
*/
|
|
conn->fread_func = data->set.fread_func;
|
|
conn->fread_in = data->set.in;
|
|
conn->seek_func = data->set.seek_func;
|
|
conn->seek_client = data->set.seek_client;
|
|
|
|
/*************************************************************
|
|
* Resolve the address of the server or proxy
|
|
*************************************************************/
|
|
result = resolve_server(data, conn, addr, async);
|
|
|
|
return result;
|
|
}
|
|
|
|
/* setup_conn() is called after the name resolve initiated in
|
|
* create_conn() is all done.
|
|
*
|
|
* NOTE: the argument 'hostaddr' is NULL when this function is called for a
|
|
* re-used connection.
|
|
*
|
|
* conn->data MUST already have been setup fine (in create_conn)
|
|
*/
|
|
|
|
static CURLcode setup_conn(struct connectdata *conn,
|
|
struct Curl_dns_entry *hostaddr,
|
|
bool *protocol_done)
|
|
{
|
|
CURLcode result=CURLE_OK;
|
|
struct SessionHandle *data = conn->data;
|
|
|
|
Curl_pgrsTime(data, TIMER_NAMELOOKUP);
|
|
|
|
if(conn->protocol & PROT_FILE) {
|
|
/* There's nothing in this function to setup if we're only doing
|
|
a file:// transfer */
|
|
*protocol_done = TRUE;
|
|
return result;
|
|
}
|
|
*protocol_done = FALSE; /* default to not done */
|
|
|
|
/* set proxy_connect_closed to false unconditionally already here since it
|
|
is used strictly to provide extra information to a parent function in the
|
|
case of proxy CONNECT failures and we must make sure we don't have it
|
|
lingering set from a previous invoke */
|
|
conn->bits.proxy_connect_closed = FALSE;
|
|
|
|
/*
|
|
* Set user-agent. Used for HTTP, but since we can attempt to tunnel
|
|
* basically anything through a http proxy we can't limit this based on
|
|
* protocol.
|
|
*/
|
|
if(data->set.str[STRING_USERAGENT]) {
|
|
Curl_safefree(conn->allocptr.uagent);
|
|
conn->allocptr.uagent =
|
|
aprintf("User-Agent: %s\r\n", data->set.str[STRING_USERAGENT]);
|
|
if(!conn->allocptr.uagent)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
data->req.headerbytecount = 0;
|
|
|
|
#ifdef CURL_DO_LINEEND_CONV
|
|
data->state.crlf_conversions = 0; /* reset CRLF conversion counter */
|
|
#endif /* CURL_DO_LINEEND_CONV */
|
|
|
|
for(;;) {
|
|
/* loop for CURL_SERVER_CLOSED_CONNECTION */
|
|
|
|
if(CURL_SOCKET_BAD == conn->sock[FIRSTSOCKET]) {
|
|
bool connected = FALSE;
|
|
|
|
/* Connect only if not already connected! */
|
|
result = ConnectPlease(data, conn, hostaddr, &connected);
|
|
|
|
if(connected) {
|
|
result = Curl_protocol_connect(conn, protocol_done);
|
|
if(CURLE_OK == result)
|
|
conn->bits.tcpconnect = TRUE;
|
|
}
|
|
else
|
|
conn->bits.tcpconnect = FALSE;
|
|
|
|
/* if the connection was closed by the server while exchanging
|
|
authentication informations, retry with the new set
|
|
authentication information */
|
|
if(conn->bits.proxy_connect_closed) {
|
|
/* reset the error buffer */
|
|
if(data->set.errorbuffer)
|
|
data->set.errorbuffer[0] = '\0';
|
|
data->state.errorbuf = FALSE;
|
|
continue;
|
|
}
|
|
|
|
if(CURLE_OK != result)
|
|
return result;
|
|
}
|
|
else {
|
|
Curl_pgrsTime(data, TIMER_CONNECT); /* we're connected already */
|
|
Curl_pgrsTime(data, TIMER_APPCONNECT); /* we're connected already */
|
|
conn->bits.tcpconnect = TRUE;
|
|
*protocol_done = TRUE;
|
|
if(data->set.verbose)
|
|
verboseconnect(conn);
|
|
}
|
|
/* Stop the loop now */
|
|
break;
|
|
}
|
|
|
|
conn->now = Curl_tvnow(); /* time this *after* the connect is done, we
|
|
set this here perhaps a second time */
|
|
|
|
#ifdef __EMX__
|
|
/*
|
|
* This check is quite a hack. We're calling _fsetmode to fix the problem
|
|
* with fwrite converting newline characters (you get mangled text files,
|
|
* and corrupted binary files when you download to stdout and redirect it to
|
|
* a file).
|
|
*/
|
|
|
|
if((data->set.out)->_handle == NULL) {
|
|
_fsetmode(stdout, "b");
|
|
}
|
|
#endif
|
|
|
|
return result;
|
|
}
|
|
|
|
CURLcode Curl_connect(struct SessionHandle *data,
|
|
struct connectdata **in_connect,
|
|
bool *asyncp,
|
|
bool *protocol_done)
|
|
{
|
|
CURLcode code;
|
|
struct Curl_dns_entry *dns;
|
|
|
|
*asyncp = FALSE; /* assume synchronous resolves by default */
|
|
|
|
/* call the stuff that needs to be called */
|
|
code = create_conn(data, in_connect, &dns, asyncp);
|
|
|
|
if(CURLE_OK == code) {
|
|
/* no error */
|
|
if((*in_connect)->send_pipe->size +
|
|
(*in_connect)->recv_pipe->size != 0)
|
|
/* pipelining */
|
|
*protocol_done = TRUE;
|
|
else {
|
|
if(dns || !*asyncp)
|
|
/* If an address is available it means that we already have the name
|
|
resolved, OR it isn't async. if this is a re-used connection 'dns'
|
|
will be NULL here. Continue connecting from here */
|
|
code = setup_conn(*in_connect, dns, protocol_done);
|
|
/* else
|
|
response will be received and treated async wise */
|
|
}
|
|
}
|
|
|
|
if(CURLE_OK != code && *in_connect) {
|
|
/* We're not allowed to return failure with memory left allocated
|
|
in the connectdata struct, free those here */
|
|
Curl_disconnect(*in_connect); /* close the connection */
|
|
*in_connect = NULL; /* return a NULL */
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
#if defined(USE_ARES) || defined(USE_THREADING_GETHOSTBYNAME) || \
|
|
defined(USE_THREADING_GETADDRINFO)
|
|
CURLcode code = setup_conn(conn, conn->async.dns, protocol_done);
|
|
|
|
if(code)
|
|
/* We're not allowed to return failure with memory left allocated
|
|
in the connectdata struct, free those here */
|
|
Curl_disconnect(conn); /* close the connection */
|
|
|
|
return code;
|
|
#else
|
|
(void)conn;
|
|
(void)protocol_done;
|
|
return CURLE_OK;
|
|
#endif
|
|
}
|
|
|
|
|
|
CURLcode Curl_done(struct connectdata **connp,
|
|
CURLcode status, /* an error if this is called after an
|
|
error was detected */
|
|
bool premature)
|
|
{
|
|
CURLcode result;
|
|
struct connectdata *conn;
|
|
struct SessionHandle *data;
|
|
|
|
DEBUGASSERT(*connp);
|
|
|
|
conn = *connp;
|
|
data = conn->data;
|
|
|
|
Curl_expire(data, 0); /* stop timer */
|
|
|
|
if(Curl_removeHandleFromPipeline(data, conn->recv_pipe) &&
|
|
conn->readchannel_inuse)
|
|
conn->readchannel_inuse = FALSE;
|
|
if(Curl_removeHandleFromPipeline(data, conn->send_pipe) &&
|
|
conn->writechannel_inuse)
|
|
conn->writechannel_inuse = FALSE;
|
|
Curl_removeHandleFromPipeline(data, conn->pend_pipe);
|
|
|
|
if(conn->bits.done ||
|
|
(conn->send_pipe->size + conn->recv_pipe->size != 0 &&
|
|
!data->set.reuse_forbid &&
|
|
!conn->bits.close))
|
|
/* Stop if Curl_done() has already been called or pipeline
|
|
is not empty and we do not have to close connection. */
|
|
return CURLE_OK;
|
|
|
|
conn->bits.done = TRUE; /* called just now! */
|
|
|
|
/* Cleanup possible redirect junk */
|
|
if(data->req.newurl) {
|
|
free(data->req.newurl);
|
|
data->req.newurl = NULL;
|
|
}
|
|
if(data->req.location) {
|
|
free(data->req.location);
|
|
data->req.location = NULL;
|
|
}
|
|
|
|
if(conn->dns_entry) {
|
|
Curl_resolv_unlock(data, conn->dns_entry); /* done with this */
|
|
conn->dns_entry = NULL;
|
|
}
|
|
|
|
/* this calls the protocol-specific function pointer previously set */
|
|
if(conn->handler->done)
|
|
result = conn->handler->done(conn, status, premature);
|
|
else
|
|
result = CURLE_OK;
|
|
|
|
Curl_pgrsDone(conn); /* done with the operation */
|
|
|
|
/* if the transfer was completed in a paused state there can be buffered
|
|
data left to write and then kill */
|
|
if(data->state.tempwrite) {
|
|
free(data->state.tempwrite);
|
|
data->state.tempwrite = NULL;
|
|
}
|
|
|
|
/* for ares-using, make sure all possible outstanding requests are properly
|
|
cancelled before we proceed */
|
|
ares_cancel(data->state.areschannel);
|
|
|
|
/* if data->set.reuse_forbid is TRUE, it means the libcurl client has
|
|
forced us to close this no matter what we think.
|
|
|
|
if conn->bits.close is TRUE, it means that the connection should be
|
|
closed in spite of all our efforts to be nice, due to protocol
|
|
restrictions in our or the server's end
|
|
|
|
if premature is TRUE, it means this connection was said to be DONE before
|
|
the entire request operation is complete and thus we can't know in what
|
|
state it is for re-using, so we're forced to close it. In a perfect world
|
|
we can add code that keep track of if we really must close it here or not,
|
|
but currently we have no such detail knowledge.
|
|
*/
|
|
if(data->set.reuse_forbid || conn->bits.close || premature) {
|
|
CURLcode res2 = Curl_disconnect(conn); /* close the connection */
|
|
|
|
/* If we had an error already, make sure we return that one. But
|
|
if we got a new error, return that. */
|
|
if(!result && res2)
|
|
result = res2;
|
|
}
|
|
else {
|
|
ConnectionDone(conn); /* the connection is no longer in use */
|
|
|
|
/* remember the most recently used connection */
|
|
data->state.lastconnect = conn->connectindex;
|
|
|
|
infof(data, "Connection #%ld to host %s left intact\n",
|
|
conn->connectindex,
|
|
conn->bits.httpproxy?conn->proxy.dispname:conn->host.dispname);
|
|
}
|
|
|
|
*connp = NULL; /* to make the caller of this function better detect that
|
|
this was either closed or handed over to the connection
|
|
cache here, and therefore cannot be used from this point on
|
|
*/
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* do_init() inits the readwrite session. This is inited each time (in the DO
|
|
* function before the protocol-specific DO functions are invoked) for a
|
|
* transfer, sometimes multiple times on the same SessionHandle. Make sure
|
|
* nothing in here depends on stuff that are setup dynamically for the
|
|
* transfer.
|
|
*/
|
|
|
|
static CURLcode do_init(struct connectdata *conn)
|
|
{
|
|
struct SessionHandle *data = conn->data;
|
|
struct SingleRequest *k = &data->req;
|
|
|
|
conn->bits.done = FALSE; /* Curl_done() is not called yet */
|
|
conn->bits.do_more = FALSE; /* by default there's no curl_do_more() to use */
|
|
data->state.expect100header = FALSE;
|
|
|
|
/* NB: the content encoding software depends on this initialization */
|
|
Curl_easy_initHandleData(data);
|
|
|
|
k->start = Curl_tvnow(); /* start time */
|
|
k->now = k->start; /* current time is now */
|
|
k->header = TRUE; /* assume header */
|
|
|
|
k->bytecount = 0;
|
|
|
|
k->buf = data->state.buffer;
|
|
k->uploadbuf = data->state.uploadbuffer;
|
|
k->hbufp = data->state.headerbuff;
|
|
k->ignorebody=FALSE;
|
|
|
|
Curl_pgrsTime(data, TIMER_PRETRANSFER);
|
|
Curl_speedinit(data);
|
|
|
|
Curl_pgrsSetUploadCounter(data, 0);
|
|
Curl_pgrsSetDownloadCounter(data, 0);
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/*
|
|
* do_complete is called when the DO actions are complete.
|
|
*
|
|
* We init chunking and trailer bits to their default values here immediately
|
|
* before receiving any header data for the current request in the pipeline.
|
|
*/
|
|
static void do_complete(struct connectdata *conn)
|
|
{
|
|
conn->data->req.chunk=FALSE;
|
|
conn->data->req.trailerhdrpresent=FALSE;
|
|
|
|
conn->data->req.maxfd = (conn->sockfd>conn->writesockfd?
|
|
conn->sockfd:conn->writesockfd)+1;
|
|
}
|
|
|
|
CURLcode Curl_do(struct connectdata **connp, bool *done)
|
|
{
|
|
CURLcode result=CURLE_OK;
|
|
struct connectdata *conn = *connp;
|
|
struct SessionHandle *data = conn->data;
|
|
|
|
/* setup and init stuff before DO starts, in preparing for the transfer */
|
|
do_init(conn);
|
|
|
|
if(conn->handler->do_it) {
|
|
/* generic protocol-specific function pointer set in curl_connect() */
|
|
result = conn->handler->do_it(conn, done);
|
|
|
|
/* This was formerly done in transfer.c, but we better do it here */
|
|
if((CURLE_SEND_ERROR == result) && conn->bits.reuse) {
|
|
/* This was a re-use of a connection and we got a write error in the
|
|
* DO-phase. Then we DISCONNECT this connection and have another attempt
|
|
* to CONNECT and then DO again! The retry cannot possibly find another
|
|
* connection to re-use, since we only keep one possible connection for
|
|
* each. */
|
|
|
|
infof(data, "Re-used connection seems dead, get a new one\n");
|
|
|
|
conn->bits.close = TRUE; /* enforce close of this connection */
|
|
result = Curl_done(&conn, result, FALSE); /* we are so done with this */
|
|
|
|
/* conn may no longer be a good pointer */
|
|
|
|
/*
|
|
* According to bug report #1330310. We need to check for
|
|
* CURLE_SEND_ERROR here as well. I figure this could happen when the
|
|
* request failed on a FTP connection and thus Curl_done() itself tried
|
|
* to use the connection (again). Slight Lack of feedback in the report,
|
|
* but I don't think this extra check can do much harm.
|
|
*/
|
|
if((CURLE_OK == result) || (CURLE_SEND_ERROR == result)) {
|
|
bool async;
|
|
bool protocol_done = TRUE;
|
|
|
|
/* Now, redo the connect and get a new connection */
|
|
result = Curl_connect(data, connp, &async, &protocol_done);
|
|
if(CURLE_OK == result) {
|
|
/* We have connected or sent away a name resolve query fine */
|
|
|
|
conn = *connp; /* setup conn to again point to something nice */
|
|
if(async) {
|
|
/* Now, if async is TRUE here, we need to wait for the name
|
|
to resolve */
|
|
result = Curl_wait_for_resolv(conn, NULL);
|
|
if(result)
|
|
return result;
|
|
|
|
/* Resolved, continue with the connection */
|
|
result = Curl_async_resolved(conn, &protocol_done);
|
|
if(result)
|
|
return result;
|
|
}
|
|
|
|
/* ... finally back to actually retry the DO phase */
|
|
result = conn->handler->do_it(conn, done);
|
|
}
|
|
}
|
|
}
|
|
|
|
if((result == CURLE_OK) && *done)
|
|
/* do_complete must be called after the protocol-specific DO function */
|
|
do_complete(conn);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
CURLcode Curl_do_more(struct connectdata *conn)
|
|
{
|
|
CURLcode result=CURLE_OK;
|
|
|
|
if(conn->handler->do_more)
|
|
result = conn->handler->do_more(conn);
|
|
|
|
if(result == CURLE_OK)
|
|
/* do_complete must be called after the protocol-specific DO function */
|
|
do_complete(conn);
|
|
|
|
return result;
|
|
}
|
|
|
|
/* Called on connect, and if there's already a protocol-specific struct
|
|
allocated for a different connection, this frees it that it can be setup
|
|
properly later on. */
|
|
void Curl_reset_reqproto(struct connectdata *conn)
|
|
{
|
|
struct SessionHandle *data = conn->data;
|
|
if(data->state.proto.generic && data->state.current_conn != conn) {
|
|
free(data->state.proto.generic);
|
|
data->state.proto.generic = NULL;
|
|
}
|
|
data->state.current_conn = conn;
|
|
}
|