mirror of
https://github.com/moparisthebest/curl
synced 2024-12-21 15:48:49 -05:00
337 lines
8.4 KiB
C
337 lines
8.4 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 - 2003, 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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#include "setup.h"
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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 "strequal.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 "transfer.h"
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#include "ssluse.h"
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#include "url.h"
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#include "getinfo.h"
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#include "hostip.h"
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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/* Silly win32 socket initialization functions */
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#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
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static void win32_cleanup(void)
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{
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WSACleanup();
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}
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static CURLcode win32_init(void)
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{
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WORD wVersionRequested;
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WSADATA wsaData;
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int err;
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wVersionRequested = MAKEWORD(2, 0);
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err = WSAStartup(wVersionRequested, &wsaData);
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if (err != 0)
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/* Tell the user that we couldn't find a useable */
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/* winsock.dll. */
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return CURLE_FAILED_INIT;
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/* Confirm that the Windows Sockets DLL supports 2.0.*/
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/* Note that if the DLL supports versions greater */
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/* than 2.0 in addition to 2.0, it will still return */
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/* 2.0 in wVersion since that is the version we */
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/* requested. */
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if ( LOBYTE( wsaData.wVersion ) != 2 ||
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HIBYTE( wsaData.wVersion ) != 0 ) {
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/* Tell the user that we couldn't find a useable */
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/* winsock.dll. */
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WSACleanup();
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return CURLE_FAILED_INIT;
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}
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return CURLE_OK;
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}
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/* The Windows Sockets DLL is acceptable. Proceed. */
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#else
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/* These functions exist merely to prevent compiler warnings */
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static CURLcode win32_init(void) { return CURLE_OK; }
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static void win32_cleanup(void) { }
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#endif
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/* true globals -- for curl_global_init() and curl_global_cleanup() */
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static unsigned int initialized = 0;
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static long init_flags = 0;
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/**
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* Globally initializes cURL given a bitwise set of
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* the different features to initialize.
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*/
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CURLcode curl_global_init(long flags)
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{
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if (initialized)
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return CURLE_OK;
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if (flags & CURL_GLOBAL_SSL)
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Curl_SSL_init();
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if (flags & CURL_GLOBAL_WIN32)
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if (win32_init() != CURLE_OK)
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return CURLE_FAILED_INIT;
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initialized = 1;
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init_flags = flags;
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return CURLE_OK;
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}
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/**
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* Globally cleanup cURL, uses the value of "init_flags" to determine
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* what needs to be cleaned up and what doesn't
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*/
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void curl_global_cleanup(void)
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{
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if (!initialized)
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return;
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Curl_global_host_cache_dtor();
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if (init_flags & CURL_GLOBAL_SSL)
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Curl_SSL_cleanup();
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if (init_flags & CURL_GLOBAL_WIN32)
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win32_cleanup();
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initialized = 0;
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init_flags = 0;
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}
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CURL *curl_easy_init(void)
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{
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CURLcode res;
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struct SessionHandle *data;
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/* Make sure we inited the global SSL stuff */
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if (!initialized)
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curl_global_init(CURL_GLOBAL_DEFAULT);
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/* We use curl_open() with undefined URL so far */
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res = Curl_open(&data);
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if(res != CURLE_OK)
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return NULL;
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return data;
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}
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typedef int (*func_T)(void);
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CURLcode curl_easy_setopt(CURL *curl, CURLoption tag, ...)
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{
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va_list arg;
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func_T param_func = (func_T)0;
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long param_long = 0;
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void *param_obj = NULL;
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struct SessionHandle *data = curl;
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CURLcode ret=CURLE_FAILED_INIT;
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va_start(arg, tag);
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/* PORTING NOTE:
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Object pointers can't necessarily be casted to function pointers and
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therefore we need to know what type it is and read the correct type
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at once. This should also correct problems with different sizes of
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the types.
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*/
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if(tag < CURLOPTTYPE_OBJECTPOINT) {
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/* This is a LONG type */
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param_long = va_arg(arg, long);
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ret = Curl_setopt(data, tag, param_long);
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}
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else if(tag < CURLOPTTYPE_FUNCTIONPOINT) {
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/* This is a object pointer type */
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param_obj = va_arg(arg, void *);
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ret = Curl_setopt(data, tag, param_obj);
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}
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else {
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param_func = va_arg(arg, func_T );
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ret = Curl_setopt(data, tag, param_func);
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}
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va_end(arg);
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return ret;
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}
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CURLcode curl_easy_perform(CURL *curl)
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{
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struct SessionHandle *data = (struct SessionHandle *)curl;
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if (Curl_global_host_cache_use(data) && data->hostcache != Curl_global_host_cache_get()) {
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if (data->hostcache) {
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Curl_hash_destroy(data->hostcache);
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}
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data->hostcache = Curl_global_host_cache_get();
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}
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if (!data->hostcache) {
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data->hostcache = Curl_hash_alloc(7, Curl_freednsinfo);
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}
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return Curl_perform(data);
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}
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void curl_easy_cleanup(CURL *curl)
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{
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struct SessionHandle *data = (struct SessionHandle *)curl;
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if (!Curl_global_host_cache_use(data)) {
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Curl_hash_destroy(data->hostcache);
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}
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Curl_close(data);
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}
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CURLcode curl_easy_getinfo(CURL *curl, CURLINFO info, ...)
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{
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va_list arg;
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void *paramp;
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struct SessionHandle *data = (struct SessionHandle *)curl;
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va_start(arg, info);
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paramp = va_arg(arg, void *);
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return Curl_getinfo(data, info, paramp);
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}
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CURL *curl_easy_duphandle(CURL *incurl)
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{
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struct SessionHandle *data=(struct SessionHandle *)incurl;
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struct SessionHandle *outcurl = (struct SessionHandle *)
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malloc(sizeof(struct SessionHandle));
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if(NULL == outcurl)
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return NULL; /* failure */
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/* start with clearing the entire new struct */
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memset(outcurl, 0, sizeof(struct SessionHandle));
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/*
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* We setup a few buffers we need. We should probably make them
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* get setup on-demand in the code, as that would probably decrease
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* the likeliness of us forgetting to init a buffer here in the future.
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*/
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outcurl->state.headerbuff=(char*)malloc(HEADERSIZE);
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if(!outcurl->state.headerbuff) {
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free(outcurl); /* free the memory again */
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return NULL;
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}
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outcurl->state.headersize=HEADERSIZE;
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/* copy all userdefined values */
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outcurl->set = data->set;
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outcurl->state.numconnects = data->state.numconnects;
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outcurl->state.connects = (struct connectdata **)
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malloc(sizeof(struct connectdata *) * outcurl->state.numconnects);
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if(!outcurl->state.connects) {
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free(outcurl->state.headerbuff);
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free(outcurl);
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return NULL;
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}
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memset(outcurl->state.connects, 0,
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sizeof(struct connectdata *)*outcurl->state.numconnects);
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outcurl->progress.flags = data->progress.flags;
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outcurl->progress.callback = data->progress.callback;
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if(data->cookies)
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/* If cookies are enabled in the parent handle, we enable them
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in the clone as well! */
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outcurl->cookies = Curl_cookie_init(data->cookies->filename,
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outcurl->cookies,
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data->set.cookiesession);
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/* duplicate all values in 'change' */
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if(data->change.url) {
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outcurl->change.url = strdup(data->change.url);
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outcurl->change.url_alloc = TRUE;
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}
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if(data->change.proxy) {
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outcurl->change.proxy = strdup(data->change.proxy);
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outcurl->change.proxy_alloc = TRUE;
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}
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if(data->change.referer) {
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outcurl->change.referer = strdup(data->change.referer);
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outcurl->change.referer_alloc = TRUE;
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}
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return outcurl;
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}
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