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Initial revision
This commit is contained in:
Daniel Stenberg
commit
ae1912cb0d
144 changed files with 37273 additions and 0 deletions
381
lib/http.c
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381
lib/http.c
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/*****************************************************************************
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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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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Curl.
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*
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* The Initial Developer of the Original Code is Daniel Stenberg.
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*
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* Portions created by the Initial Developer are Copyright (C) 1998.
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* All Rights Reserved.
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*
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* ------------------------------------------------------------
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* Main author:
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* - Daniel Stenberg <Daniel.Stenberg@haxx.nu>
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*
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* http://curl.haxx.nu
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*
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* $Source$
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* $Revision$
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* $Date$
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* $Author$
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* $State$
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* $Locker$
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*
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* ------------------------------------------------------------
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****************************************************************************/
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/* -- WIN32 approved -- */
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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 <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include "setup.h"
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#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
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#include <winsock.h>
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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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#include <netinet/in.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <netdb.h>
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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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#include <sys/ioctl.h>
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#include <signal.h>
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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 HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#endif
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#include "urldata.h"
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#include <curl/curl.h>
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#include "download.h"
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#include "sendf.h"
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#include "formdata.h"
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#include "progress.h"
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#include "base64.h"
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#include "upload.h"
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#include "cookie.h"
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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/*
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* This function checks the linked list of custom HTTP headers for a particular
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* header (prefix).
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*/
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bool static checkheaders(struct UrlData *data, char *thisheader)
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{
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struct HttpHeader *head;
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size_t thislen = strlen(thisheader);
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for(head = data->headers; head; head=head->next) {
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if(strnequal(head->header, thisheader, thislen)) {
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return TRUE;
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}
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}
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return FALSE;
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}
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UrgError http(struct UrlData *data, char *ppath, char *host, long *bytecount)
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{
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/* Send the GET line to the HTTP server */
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struct FormData *sendit=NULL;
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int postsize=0;
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UrgError result;
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char *buf;
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struct Cookie *co = NULL;
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char *p_pragma = NULL;
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char *p_accept = NULL;
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buf = data->buffer; /* this is our buffer */
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if ( (data->conf&(CONF_HTTP|CONF_FTP)) &&
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(data->conf&CONF_UPLOAD)) {
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data->conf |= CONF_PUT;
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}
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#if 0 /* old version */
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if((data->conf&(CONF_HTTP|CONF_UPLOAD)) ==
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(CONF_HTTP|CONF_UPLOAD)) {
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/* enable PUT! */
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data->conf |= CONF_PUT;
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}
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#endif
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/* The User-Agent string has been built in url.c already, because it might
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have been used in the proxy connect, but if we have got a header with
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the user-agent string specified, we erase the previosly made string
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here. */
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if(checkheaders(data, "User-Agent:") && data->ptr_uagent) {
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free(data->ptr_uagent);
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data->ptr_uagent=NULL;
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}
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if((data->conf & CONF_USERPWD) && !checkheaders(data, "Authorization:")) {
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char authorization[512];
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sprintf(data->buffer, "%s:%s", data->user, data->passwd);
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base64Encode(data->buffer, authorization);
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data->ptr_userpwd = maprintf( "Authorization: Basic %s\015\012",
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authorization);
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}
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if((data->conf & CONF_RANGE) && !checkheaders(data, "Range:")) {
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data->ptr_rangeline = maprintf("Range: bytes=%s\015\012", data->range);
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}
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if((data->conf & CONF_REFERER) && !checkheaders(data, "Referer:")) {
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data->ptr_ref = maprintf("Referer: %s\015\012", data->referer);
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}
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if(data->cookie && !checkheaders(data, "Cookie:")) {
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data->ptr_cookie = maprintf("Cookie: %s\015\012", data->cookie);
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}
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if(data->cookies) {
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co = cookie_getlist(data->cookies,
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host,
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ppath,
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data->conf&CONF_HTTPS?TRUE:FALSE);
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}
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if ((data->conf & CONF_PROXY) && (!(data->conf & CONF_HTTPS))) {
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/* The path sent to the proxy is in fact the entire URL */
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strncpy(ppath, data->url, URL_MAX_LENGTH-1);
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}
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if(data->conf & CONF_HTTPPOST) {
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/* we must build the whole darned post sequence first, so that we have
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a size of the whole shebang before we start to send it */
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sendit = getFormData(data->httppost, &postsize);
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}
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if(!checkheaders(data, "Host:"))
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data->ptr_host = maprintf("Host: %s\r\n", host);
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if(!checkheaders(data, "Pragma:"))
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p_pragma = "Pragma: no-cache\r\n";
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if(!checkheaders(data, "Accept:"))
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p_accept = "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*\r\n";
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do {
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sendf(data->firstsocket, data,
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"%s " /* GET/HEAD/POST/PUT */
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"%s HTTP/1.0\r\n" /* path */
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"%s" /* proxyuserpwd */
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"%s" /* userpwd */
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"%s" /* range */
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"%s" /* user agent */
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"%s" /* cookie */
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"%s" /* host */
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"%s" /* pragma */
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"%s" /* accept */
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"%s", /* referer */
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data->customrequest?data->customrequest:
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(data->conf&CONF_NOBODY?"HEAD":
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(data->conf&(CONF_POST|CONF_HTTPPOST))?"POST":
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(data->conf&CONF_PUT)?"PUT":"GET"),
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ppath,
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(data->conf&CONF_PROXYUSERPWD && data->ptr_proxyuserpwd)?data->ptr_proxyuserpwd:"",
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(data->conf&CONF_USERPWD && data->ptr_userpwd)?data->ptr_userpwd:"",
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(data->conf&CONF_RANGE && data->ptr_rangeline)?data->ptr_rangeline:"",
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(data->useragent && *data->useragent && data->ptr_uagent)?data->ptr_uagent:"",
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(data->ptr_cookie?data->ptr_cookie:""), /* Cookie: <data> */
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(data->ptr_host?data->ptr_host:""), /* Host: host */
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p_pragma?p_pragma:"",
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p_accept?p_accept:"",
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(data->conf&CONF_REFERER && data->ptr_ref)?data->ptr_ref:"" /* Referer: <data> <CRLF> */
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);
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if(co) {
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int count=0;
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/* now loop through all cookies that matched */
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while(co) {
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if(0 == count) {
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sendf(data->firstsocket, data,
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"Cookie: ");
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}
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count++;
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sendf(data->firstsocket, data,
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"%s=%s;", co->name, co->value);
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co = co->next; /* next cookie please */
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}
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if(count) {
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sendf(data->firstsocket, data,
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"\r\n");
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}
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cookie_freelist(co); /* free the cookie list */
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co=NULL;
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}
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if(data->timecondition) {
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struct tm *thistime;
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thistime = localtime(&data->timevalue);
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#if defined(HAVE_STRFTIME) || defined(WIN32)
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/* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
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strftime(buf, BUFSIZE-1, "%a, %d %b %Y %H:%M:%S %Z", thistime);
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#else
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/* Right, we *could* write a replacement here */
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strcpy(buf, "no strftime() support");
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#endif
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switch(data->timecondition) {
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case TIMECOND_IFMODSINCE:
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default:
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sendf(data->firstsocket, data,
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"If-Modified-Since: %s\r\n", buf);
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break;
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case TIMECOND_IFUNMODSINCE:
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sendf(data->firstsocket, data,
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"If-Unmodified-Since: %s\r\n", buf);
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break;
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case TIMECOND_LASTMOD:
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sendf(data->firstsocket, data,
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"Last-Modified: %s\r\n", buf);
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break;
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}
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}
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while(data->headers) {
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sendf(data->firstsocket, data,
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"%s\015\012",
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data->headers->header);
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data->headers = data->headers->next;
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}
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if(data->conf&(CONF_POST|CONF_HTTPPOST)) {
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if(data->conf & CONF_POST) {
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/* this is the simple x-www-form-urlencoded style */
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sendf(data->firstsocket, data,
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"Content-Length: %d\015\012"
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"Content-Type: application/x-www-form-urlencoded\r\n\r\n"
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"%s\015\012",
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strlen(data->postfields),
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data->postfields );
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}
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else {
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struct Form form;
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size_t (*storefread)(char *, size_t , size_t , FILE *);
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FILE *in;
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long conf;
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if(FormInit(&form, sendit)) {
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failf(data, "Internal HTTP POST error!\n");
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return URG_HTTP_POST_ERROR;
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}
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storefread = data->fread; /* backup */
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in = data->in; /* backup */
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data->fread =
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(size_t (*)(char *, size_t, size_t, FILE *))
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FormReader; /* set the read function to read from the
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generated form data */
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data->in = (FILE *)&form;
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sendf(data->firstsocket, data,
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"Content-Length: %d\r\n",
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postsize-2);
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conf = data->conf;
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data->conf &= ~CONF_NOPROGRESS; /* enable progress meter */
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ProgressInit(data, postsize);
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result = Upload(data, data->firstsocket, bytecount);
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FormFree(sendit); /* Now free that whole lot */
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data->conf = conf; /* restore conf values for the download */
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if(result)
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return result;
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data->fread = storefread; /* restore */
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data->in = in; /* restore */
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sendf(data->firstsocket, data,
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"\r\n\r\n");
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}
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}
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else if(data->conf&CONF_PUT) {
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/* Let's PUT the data to the server! */
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long conf;
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if(data->infilesize>0) {
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sendf(data->firstsocket, data,
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"Content-Length: %d\r\n\r\n", /* file size */
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data->infilesize );
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}
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else
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sendf(data->firstsocket, data,
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"\015\012");
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conf = data->conf;
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data->conf &= ~CONF_NOPROGRESS; /* enable progress meter */
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ProgressInit(data, data->infilesize);
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result = Upload(data, data->firstsocket, bytecount);
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data->conf = conf;
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if(result)
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return result;
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/* reset the byte counter */
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*bytecount=0;
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}
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else {
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sendf(data->firstsocket, data, "\r\n");
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}
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/* HTTP GET/HEAD download: */
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result = Download(data, data->firstsocket, -1, TRUE, bytecount);
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if(result)
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return result;
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ProgressEnd(data);
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} while (0); /* this is just a left-over from the multiple document download
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attempts */
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return URG_OK;
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}
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