main.c

/*****************************************************************************
 *                                  _   _ ____  _     
 *  Project                     ___| | | |  _ \| |    
 *                             / __| | | | |_) | |    
 *                            | (__| |_| |  _ <| |___ 
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 2000, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * In order to be useful for every potential user, curl and libcurl are
 * dual-licensed under the MPL and the MIT/X-derivate licenses.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the MPL or the MIT/X-derivate
 * licenses. You may pick one of these licenses.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * $Id$
 *****************************************************************************/

/* This is now designed to have its own local setup.h */
#include "setup.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>

#include <curl/curl.h>

#define _MPRINTF_REPLACE /* we want curl-functions instead of native ones */
#include <curl/mprintf.h>

#include "urlglob.h"
#include "writeout.h"

#define CURLseparator	"--_curl_--"

#if defined(WIN32)&&!defined(__CYGWIN32__)
#include <winsock.h>
#endif

#include "version.h"

#ifdef HAVE_IO_H /* typical win32 habit */
#include <io.h>
#endif

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif

/* The last #include file should be: */
#ifdef MALLOCDEBUG
/* this is low-level hard-hacking memory leak tracking shit */
#include "../lib/memdebug.h"
#endif

#define DEFAULT_MAXREDIRS  50L

#ifndef __cplusplus        /* (rabe) */
typedef char bool;
#endif                     /* (rabe) */

#define CURL_PROGRESS_STATS 0 /* default progress display */
#define CURL_PROGRESS_BAR   1

typedef enum {
  HTTPREQ_UNSPEC,
  HTTPREQ_GET,
  HTTPREQ_HEAD,
  HTTPREQ_POST,
  HTTPREQ_SIMPLEPOST,
  HTTPREQ_CUSTOM,
  HTTPREQ_LAST
} HttpReq;

/* Just a set of bits */
#define CONF_DEFAULT  0

#define CONF_USEREMOTETIME (1<<0) /* set the remote time on the local file */
#define CONF_AUTO_REFERER (1<<4) /* the automatic referer-system please! */
#define CONF_VERBOSE  (1<<5) /* talk a lot */
#define CONF_HEADER   (1<<8) /* throw the header out too */
#define CONF_NOPROGRESS (1<<10) /* shut off the progress meter */
#define CONF_NOBODY   (1<<11) /* use HEAD to get http document */
#define CONF_FAILONERROR (1<<12) /* no output on http error codes >= 300 */
#define CONF_UPLOAD   (1<<14) /* this is an upload */
#define CONF_FTPLISTONLY (1<<16) /* Use NLST when listing ftp dir */
#define CONF_FTPAPPEND (1<<20) /* Append instead of overwrite on upload! */
#define CONF_NETRC    (1<<22)  /* read user+password from .netrc */
#define CONF_FOLLOWLOCATION (1<<23) /* use Location: Luke! */
#define CONF_GETTEXT  (1<<24) /* use ASCII/text for transfer */
#define CONF_HTTPPOST (1<<25) /* multipart/form-data HTTP POST */

#define CONF_MUTE     (1<<28) /* force NOPROGRESS */

#ifndef HAVE_STRDUP
/* Ultrix doesn't have strdup(), so make a quick clone: */
char *strdup(char *str)
{
  int len;
  char *newstr;

  len = strlen(str);
  newstr = (char *) malloc((len+1)*sizeof(char));
  if (!newstr)
    return (char *)NULL;

  strcpy(newstr,str);

  return newstr;

}
#endif 

extern void hugehelp(void);

/*
 * This is the main global constructor for the app. Call this before
 * _any_ libcurl usage. If this fails, *NO* libcurl functions may be
 * used, or havoc may be the result.
 */
CURLcode main_init(void)
{
  return curl_global_init(CURL_GLOBAL_DEFAULT);
}

/*
 * This is the main global destructor for the app. Call this after
 * _all_ libcurl usage is done.
 */
void main_free(void)
{
  curl_global_cleanup();
}

int SetHTTPrequest(HttpReq req, HttpReq *store)
{
  if((*store == HTTPREQ_UNSPEC) ||
     (*store == req)) {
    *store = req;
    return 0;
  }
  fprintf(stderr, "You can only select one HTTP request!\n");
  return 1;
}

static void helpf(char *fmt, ...)
{
  va_list ap;
  if(fmt) {
    va_start(ap, fmt);
    fputs("curl: ", stderr); /* prefix it */
    vfprintf(stderr, fmt, ap);
    va_end(ap);
  }
  fprintf(stderr, "curl: try 'curl --help' for more information\n");
}

/*
 * A chain of these nodes contain URL to get and where to put the URL's
 * contents.
 */
struct getout {
  struct getout *next;
  char *url;
  char *outfile;
  int flags;
};
#define GETOUT_OUTFILE (1<<0) /* set when outfile is deemed done */
#define GETOUT_URL     (1<<1) /* set when URL is deemed done */
#define GETOUT_USEREMOTE (1<<2) /* use remote file name locally */

static void help(void)
{
  printf(CURL_ID "%s\n"
       "Usage: curl [options...] <url>\n"
       "Options: (H) means HTTP/HTTPS only, (F) means FTP only\n"
       " -a/--append        Append to target file when uploading (F)\n"
       " -A/--user-agent <string> User-Agent to send to server (H)\n"
       " -b/--cookie <name=string/file> Cookie string or file to read cookies from (H)\n"
       " -B/--use-ascii     Use ASCII/text transfer\n",
         curl_version());
  puts(" -C/--continue-at <offset> Specify absolute resume offset\n"
       " -d/--data <data>   HTTP POST data (H)\n"
       "    --data-ascii <data>   HTTP POST ASCII data (H)\n"
       "    --data-binary <data>  HTTP POST binary data (H)\n"
       " -D/--dump-header <file> Write the headers to this file\n"
       "    --egd-file <file> EGD socket path for random data (SSL)\n"