main.c

/*****************************************************************************
 *                                  _   _ ____  _     
 *  Project                     ___| | | |  _ \| |    
 *                             / __| | | | |_) | |    
 *                            | (__| |_| |  _ <| |___ 
 *                             \___|\___/|_| \_\_____|
 *
 *  The contents of this file are subject to the Mozilla Public License
 *  Version 1.0 (the "License"); you may not use this file except in
 *  compliance with the License. You may obtain a copy of the License at
 *  http://www.mozilla.org/MPL/
 *
 *  Software distributed under the License is distributed on an "AS IS"
 *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 *  License for the specific language governing rights and limitations
 *  under the License.
 *
 *  The Original Code is Curl.
 *
 *  The Initial Developer of the Original Code is Daniel Stenberg.
 *
 *  Portions created by the Initial Developer are Copyright (C) 1998.
 *  All Rights Reserved.
 *
 * ------------------------------------------------------------
 * Main author:
 * - Daniel Stenberg <Daniel.Stenberg@haxx.nu>
 *
 * 	http://curl.haxx.nu
 *
 * $Source$
 * $Revision$
 * $Date$
 * $Author$
 * $State$
 * $Locker$
 *
 * ------------------------------------------------------------
 ****************************************************************************/

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

#include <curl/curl.h>
#include <curl/mprintf.h>
#include "../lib/getdate.h"

#include "urlglob.h"
#define CURLseparator	"--_curl_--"
#define MIMEseparator	"_curl_"

/* This define make use of the "Curlseparator" as opposed to the
   MIMEseparator. We might add support for the latter one in the
   future, and that's why this is left in the source. */
#define CURL_SEPARATORS

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

#include "version.h"

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

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

#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);

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");
}

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/--ftp-ascii     Use ASCII transfer (F)\n"
       " -c/--continue      Resume a previous transfer where we left it\n"
       " -C/--continue-at <offset> Specify absolute resume offset\n"
       " -d/--data          POST data (H)\n"
       " -D/--dump-header <file> Write the headers to this file\n"
       " -e/--referer       Referer page (H)\n"
       " -E/--cert <cert:passwd> Specifies your certificate file and password (HTTPS)\n"
       " -f/--fail          Fail silently (no output at all) on errors (H)\n"
       " -F/--form <name=content> Specify HTTP POST data (H)\n"

       " -h/--help          This help text\n"
       " -H/--header <line> Custom header to pass to server. (H)\n"
       " -i/--include       Include the HTTP-header in the output (H)\n"
       " -I/--head          Fetch document info only (HTTP HEAD/FTP SIZE)\n"
       " -K/--config        Specify which config file to read\n"
       " -l/--list-only     List only names of an FTP directory (F)\n"
       " -L/--location      Follow Location: hints (H)\n"
       " -m/--max-time <seconds> Maximum time allowed for the transfer\n"
       " -M/--manual        Display huge help text\n"
       " -n/--netrc         Read .netrc for user name and password\n"
       " -N/--no-buffer     Disables the buffering of the output stream\n"
       " -o/--output <file> Write output to <file> instead of stdout\n"
       " -O/--remote-name   Write output to a file named as the remote file\n"
#if 0
       " -p/--port <port>   Use port other than default for current protocol.\n"
#endif
       " -P/--ftpport <address> Use PORT with address instead of PASV when ftping (F)\n"
       " -q                 When used as the first parameter disables .curlrc\n"
       " -Q/--quote <cmd>   Send QUOTE command to FTP before file transfer (F)\n"
       " -r/--range <range> Retrieve a byte range from a HTTP/1.1 or FTP server\n"
       " -s/--silent        Silent mode. Don't output anything\n"
       " -S/--show-error    Show error. With -s, make curl show errors when they occur\n"
       " -t/--upload        Transfer/upload stdin to remote site\n"
       " -T/--upload-file <file> Transfer/upload <file> to remote site\n"
       " -u/--user <user:password> Specify user and password to use\n"
       " -U/--proxy-user <user:password> Specify Proxy authentication\n"
       " -v/--verbose       Makes the operation more talkative\n"
       " -V/--version       Outputs version number then quits\n"
       " -w/--write-out [format] What to output after completion\n"
       " -x/--proxy <host>  Use proxy. (Default port is 1080)\n"
       " -X/--request <command> Specific request command to use\n"
       " -y/--speed-time    Time needed to trig speed-limit abort. Defaults to 30\n"
       " -Y/--speed-limit   Stop transfer if below speed-limit for 'speed-time' secs\n"
       " -z/--time-cond <time> Includes a time condition to the server (H)\n"
       " -2/--sslv2         Force usage of SSLv2 (H)\n"
       " -3/--sslv3         Force usage of SSLv3 (H)\n"
       " -#/--progress-bar  Display transfer progress as a progress bar\n"
       "    --crlf          Convert LF to CRLF in upload. Useful for MVS (OS/390)\n"
       "    --stderr <file> Where to redirect stderr. - means stdout.\n",
         curl_version()
         );
}

struct LongShort {
  char *letter;
  char *lname;
  bool extraparam;
};

struct Configurable {
  char *useragent;
  char *cookie;
  bool use_resume;
  int resume_from;
  char *postfields;
  char *referer;
  long timeout;
  char *outfile;
  char *headerfile;
  char remotefile;
  char *ftpport;
  unsigned short porttouse;
  char *range;
  int low_speed_limit;
  int low_speed_time;
  bool showerror;
  char *infile;
  char *userpwd;
  char *proxyuserpwd;
  char *proxy;
  bool configread;
  long conf;
  char *url;
  char *cert;
  char *cert_passwd;
  bool crlf;