main.c   [plain text]

/*****************************************************************************
 *                                  _   _ ____  _     
 *  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: main.c,v 1.1.1.2 2001/04/24 18:49:15 wsanchez Exp $
 *****************************************************************************/

/* 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);

/***********************************************************************
 * Start with some silly functions to make win32-systems survive
 ***********************************************************************/
#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
static void win32_cleanup(void)
{
  WSACleanup();
}

static CURLcode win32_init(void)
{
  WORD wVersionRequested;  
  WSADATA wsaData; 
  int err; 
  wVersionRequested = MAKEWORD(1, 1); 
    
  err = WSAStartup(wVersionRequested, &wsaData); 
    
  if (err != 0) 
    /* Tell the user that we couldn't find a useable */ 
    /* winsock.dll.     */ 
    return CURLE_FAILED_INIT; 
    
  /* Confirm that the Windows Sockets DLL supports 1.1.*/ 
  /* Note that if the DLL supports versions greater */ 
  /* than 1.1 in addition to 1.1, it will still return */ 
  /* 1.1 in wVersion since that is the version we */ 
  /* requested. */ 
    
  if ( LOBYTE( wsaData.wVersion ) != 1 || 
       HIBYTE( wsaData.wVersion ) != 1 ) { 
    /* Tell the user that we couldn't find a useable */ 

    /* winsock.dll. */ 
    WSACleanup(); 
    return CURLE_FAILED_INIT; 
  }
  return CURLE_OK;
}
/* The Windows Sockets DLL is acceptable. Proceed. */ 
#else
static CURLcode win32_init(void) { return CURLE_OK; }
#define win32_cleanup()
#endif


/*
 * 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 win32_init();
}

/*
 * This is the main global destructor for the app. Call this after
 * _all_ libcurl usage is done.
 */
void main_free(void)
{
  win32_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"
       " -e/--referer       Referer page (H)");
  puts(" -E/--cert <cert[:passwd]> Specifies your certificate file and password (HTTPS)\n"
       "    --cacert <file> CA certifciate to verify peer against (HTTPS)\n"
       "    --connect-timeout <seconds> Maximum time allowed for connection\n"
       " -f/--fail          Fail silently (no output at all) on errors (H)\n"
       " -F/--form <name=content> Specify HTTP POST data (H)\n"
       " -g/--globoff       Disable URL sequences and ranges using {} and []\n"
       " -h/--help          This help text\n"
       " -H/--header <line> Custom header to pass to server. (H)");
  puts(" -i/--include       Include the HTTP-header in the output (H)\n"
       " -I/--head          Fetch document info only (HTTP HEAD/FTP SIZE)\n"
       "    --interface <interface> Specify the interface to be used\n"
       "    --krb4 <level>  Enable krb4 with specified security level (F)\n"
       " -K/--config        Specify which config file to read\n"
       " -l/--list-only     List only names of an FTP directory (F)");
  puts(" -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");
  puts(" -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"
       " -p/--proxytunnel   Perform non-HTTP services through a HTTP proxy\n"
       " -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)");
  puts(" -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"
       "    --stderr <file> Where to redirect stderr. - means stdout.\n"
       " -t/--telnet-option <OPT=val> Set telnet option\n"
       " -T/--upload-file <file> Transfer/upload <file> to remote site\n"
       "    --url <URL>     Another way to specify URL to work with");
  puts(" -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[:port]>  Use proxy. (Default port is 1080)\n"
       "    --random-file <file> File to use for reading random data from (SSL)\n"
       " -X/--request <command> Specific request command to use");
  puts(" -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"
       " -Z/--max-redirs <num> Set maximum number of redirections allowed (H)\n"
       " -2/--sslv2         Force usage of SSLv2 (H)\n"
       " -3/--sslv3         Force usage of SSLv3 (H)");
  puts(" -#/--progress-bar  Display transfer progress as a progress bar\n"
       "    --crlf          Convert LF to CRLF in upload. Useful for MVS (OS/390)");
}

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

struct Configurable {
  char *random_file;
  char *egd_file;
  char *useragent;
  char *cookie;
  bool use_resume;
  int resume_from;
  char *postfields;
  long postfieldsize;
  char *referer;
  long timeout;
  long connecttimeout;
  long maxredirs;
  char *headerfile;
  char *ftpport;
  char *iface;
  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;
  bool proxytunnel;
  long conf;

  struct getout *url_list; /* point to the first node */
  struct getout *url_last; /* point to the last/current node */

  struct getout *url_get;  /* point to the node to fill in URL */
  struct getout *url_out;  /* point to the node to fill in outfile */

  char *cert;
  char *cacert;
  char *cert_passwd;
  bool crlf;
  char *cookiefile;
  char *customrequest;
  char *krb4level;
  bool progressmode;
  bool nobuffer;
  bool globoff;

  char *writeout; /* %-styled format string to output */

  FILE *errors; /* if stderr redirect is requested */

  struct curl_slist *quote;
  struct curl_slist *postquote;

  long ssl_version;
  TimeCond timecond;
  time_t condtime;

  struct curl_slist *headers;

  struct HttpPost *httppost;
  struct HttpPost *last_post;

  struct curl_slist *telnet_options;
        
  HttpReq httpreq;
};

static int parseconfig(char *filename,
		       struct Configurable *config);
static char *my_get_line(FILE *fp);

static void GetStr(char **string,
		   char *value)
{
  if(*string)
    free(*string);
  if(value && *value)
    *string = strdup(value);
  else
    *string = NULL;
}

static char *file2string(FILE *file)
{
  char buffer[256];
  char *ptr;
  char *string=NULL;
  int len=0;
  int stringlen;

  if(file) {
    while(fgets(buffer, sizeof(buffer), file)) {
      ptr= strchr(buffer, '\r');
      if(ptr)
        *ptr=0;
      ptr= strchr(buffer, '\n');
      if(ptr)
        *ptr=0;
      stringlen=strlen(buffer);
      if(string)
        string = realloc(string, len+stringlen+1);
      else
        string = malloc(stringlen+1);

      strcpy(string+len, buffer);

      len+=stringlen;
    }
    return string;
  }
  else
    return NULL; /* no string */
}

static char *file2memory(FILE *file, long *size)
{
  char buffer[1024];
  char *string=NULL;
  char *newstring=NULL;
  long len=0;
  long stringlen=0;

  if(file) {
    while((len = fread(buffer, 1, sizeof(buffer), file))) {
      if(string) {
        newstring = realloc(string, len+stringlen);
        if(newstring)
          string = newstring;
        else
          break; /* no more strings attached! :-) */
      }
      else
        string = malloc(len);
      memcpy(&string[stringlen], buffer, len);
      stringlen+=len;
    }
    *size = stringlen;
    return string;
  }
  else
    return NULL; /* no string */
}

void clean_getout(struct Configurable *config)
{
  struct getout *node=config->url_list;
  struct getout *next;

  while(node) {
    next = node->next;
    if(node->url)
      free(node->url);
    if(node->outfile)
      free(node->outfile);
    free(node);

    node = next; /* GOTO next */
  }
}

struct getout *new_getout(struct Configurable *config)
{
  struct getout *node =malloc(sizeof(struct getout));
  struct getout *last= config->url_last;
  if(node) {
    /* clear the struct */
    memset(node, 0, sizeof(struct getout));
        
    /* append this new node last in the list */
    if(last)
      last->next = node;
    else
      config->url_list = node; /* first node */
            
    /* move the last pointer */
    config->url_last = node;
  }
  return node;
}




typedef enum {
  PARAM_OK,
  PARAM_OPTION_AMBIGUOUS,
  PARAM_OPTION_UNKNOWN,
  PARAM_REQUIRES_PARAMETER,  
  PARAM_BAD_USE,
  PARAM_HELP_REQUESTED,
  PARAM_GOT_EXTRA_PARAMETER,

  PARAM_LAST
} ParameterError;

static ParameterError getparameter(char *flag, /* f or -long-flag */
                                   char *nextarg, /* NULL if unset */
                                   bool *usedarg, /* set to TRUE if the arg
                                                     has been used */
                                   struct Configurable *config)
{
  char letter;
  char subletter=0; /* subletters can only occur on long options */

  char *parse=NULL;
  int res;
  int j;
  time_t now;
  int hit=-1;
  bool longopt=FALSE;
  bool singleopt=FALSE; /* when true means '-o foo' used '-ofoo' */


  /* single-letter,
     long-name,
     boolean whether it takes an additional argument
     */
  struct LongShort aliases[]= {
    {"9", "crlf",        FALSE},
    {"8", "stderr",      TRUE},
    {"7", "interface",   TRUE},
    {"6", "krb4",        TRUE},
    {"5", "url",         TRUE},
    {"5a", "random-file", TRUE},
    {"5b", "egd-file",   TRUE},
    {"5c", "connect-timeout", TRUE},

    {"2", "sslv2",       FALSE},
    {"3", "sslv3",       FALSE},
    {"a", "append",      FALSE},
    {"A", "user-agent",  TRUE},
    {"b", "cookie",      TRUE},
    {"B", "ftp-ascii",   FALSE}, /* this long format is OBSOLETEE now! */
    {"B", "use-ascii",   FALSE},
    {"c", "continue",    FALSE},
    {"C", "continue-at", TRUE},
    {"d", "data",        TRUE},
    {"da", "data-ascii", TRUE},
    {"db", "data-binary", TRUE},
    {"D", "dump-header", TRUE},
    {"e", "referer",     TRUE},
    {"E", "cert",        TRUE},
    {"Ea", "cacert",     TRUE},
    {"f", "fail",        FALSE},
    {"F", "form",        TRUE},
    {"g", "globoff",     FALSE},
    {"h", "help",        FALSE},
    {"H", "header",      TRUE},
    {"i", "include",     FALSE},
    {"I", "head",        FALSE},
    {"K", "config",      TRUE},
    {"l", "list-only",   FALSE},
    {"L", "location",    FALSE},
    {"m", "max-time",    TRUE},
    {"M", "manual",      FALSE},
    {"n", "netrc",       FALSE},
    {"N", "no-buffer",   FALSE},
    {"o", "output",      TRUE},
    {"O", "remote-name", FALSE},
    {"p", "proxytunnel", FALSE},
    {"P", "ftpport",     TRUE},
    {"q", "disable",     FALSE},
    {"Q", "quote",       TRUE},
    {"r", "range",       TRUE},
    {"s", "silent",      FALSE},
    {"S", "show-error",  FALSE},
    {"t", "telnet-options", TRUE},
    {"T", "upload-file", TRUE},
    {"u", "user",        TRUE},
    {"U", "proxy-user",  TRUE},
    {"v", "verbose",     FALSE},
    {"V", "version",     FALSE},
    {"w", "write-out",   TRUE},
    {"x", "proxy",       TRUE},
    {"X", "request",     TRUE},
    {"X", "http-request", TRUE}, /* OBSOLETE VERSION */
    {"Y", "speed-limit",  TRUE},
    {"y", "speed-time", TRUE},
    {"z", "time-cond",   TRUE},
    {"Z", "max-redirs",   TRUE},
    {"#", "progress-bar",FALSE},
  };

  if(('-' != flag[0]) ||
     (('-' == flag[0]) && ('-' == flag[1]))) {
    /* this should be a long name */
    char *word=('-' == flag[0])?flag+2:flag;
    int fnam=strlen(word);
    int numhits=0;
    for(j=0; j< sizeof(aliases)/sizeof(aliases[0]); j++) {
      if(strnequal(aliases[j].lname, word, fnam)) {
        longopt = TRUE;
        numhits++;
        if(strequal(aliases[j].lname, word)) {
          parse = aliases[j].letter;
          hit = j;
          numhits = 1; /* a single unique hit */
          break;
        }
	parse = aliases[j].letter;
	hit = j;
      }
    }
    if(numhits>1) {
      /* this is at least the second match! */
      return PARAM_OPTION_AMBIGUOUS;
    }
    if(hit < 0) {
      return PARAM_OPTION_UNKNOWN;
    }    
  }
  else {
    flag++; /* prefixed with one dash, pass it */
    hit=-1;
    parse = flag;
  }

  do {
    /* we can loop here if we have multiple single-letters */

    if(!longopt)
      letter = parse?*parse:'\0';
    else {
      letter = parse[0];
      subletter = parse[1];
    }
    *usedarg = FALSE; /* default is that we don't use the arg */

#if 0
    fprintf(stderr, "OPTION: %c %s\n", letter, nextarg?nextarg:"<null>");
#endif
    if(hit < 0) {
      for(j=0; j< sizeof(aliases)/sizeof(aliases[0]); j++) {
	if(letter == aliases[j].letter[0]) {
	  hit = j;
	  break;
	}
      }
      if(hit < 0) {
	return PARAM_OPTION_UNKNOWN;
      }
    }
    if(hit < 0) {
      return PARAM_OPTION_UNKNOWN;
    }    
    if(!longopt && aliases[hit].extraparam && parse[1]) {
      nextarg=&parse[1]; /* this is the actual extra parameter */
      singleopt=TRUE;   /* don't loop anymore after this */
    }
    else if((!nextarg || !*nextarg) && aliases[hit].extraparam) {
      return PARAM_REQUIRES_PARAMETER;
    }
    else if(nextarg && aliases[hit].extraparam)
      *usedarg = TRUE; /* mark it as used */

    switch(letter) {
    case '9': /* there is no short letter for this */
      /* LF -> CRLF conversinon? */
      config->crlf = TRUE;
      break;
    case '8': /* there is no short letter for this */
      if(strcmp(nextarg, "-"))
        config->errors = fopen(nextarg, "wt");
      else
        config->errors = stdout;
      break;
    case '7': /* there is no short letter for this */
      /* interface */
      GetStr(&config->iface, nextarg);
      break;
    case '6': /* there is no short letter for this */
      /* krb4 level string */
      GetStr(&config->krb4level, nextarg);
      break;
    case '5':
      switch(subletter) {
      case 'a': /* random-file */
        GetStr(&config->random_file, nextarg);
        break;
      case 'b': /* egd-file */
        GetStr(&config->egd_file, nextarg);
        break;
      case 'c': /* connect-timeout */
        config->connecttimeout=atoi(nextarg);
        break;
      default: /* the URL! */
        {
          struct getout *url;
          if(config->url_get || (config->url_get=config->url_list)) {
            /* there's a node here, if it already is filled-in continue to find
               an "empty" node */
            while(config->url_get && (config->url_get->flags&GETOUT_URL))
              config->url_get = config->url_get->next;
          }

          /* now there might or might not be an available node to fill in! */

          if(config->url_get)
            /* existing node */
            url = config->url_get;
          else
            /* there was no free node, create one! */
            url=new_getout(config);
          
          if(url) {
            /* fill in the URL */
            GetStr(&url->url, nextarg);
            url->flags |= GETOUT_URL;
          }
        }
      }
      break;
    case '#': /* added 19990617 larsa */
      config->progressmode ^= CURL_PROGRESS_BAR;
      break;
    case '2': 
      /* SSL version 2 */
      config->ssl_version = 2;
      break;
    case '3': 
      /* SSL version 2 */
      config->ssl_version = 3;
      break;
    case 'a':
      /* This makes the FTP sessions use APPE instead of STOR */
      config->conf ^= CONF_FTPAPPEND;
      break;
    case 'A':
      /* This specifies the User-Agent name */
      GetStr(&config->useragent, nextarg);
      break;
    case 'b': /* cookie string coming up: */
      if(nextarg[0] == '@') {
        nextarg++;
      }
      else if(strchr(nextarg, '=')) {
        /* A cookie string must have a =-letter */
        GetStr(&config->cookie, nextarg);
        break;
      }
      /* We have a cookie file to read from! */
      GetStr(&config->cookiefile, nextarg);
      break;
    case 'B':
      /* use ASCII/text when transfering */
      config->conf ^= CONF_GETTEXT;
      break;
    case 'c':
      /* This makes us continue an ftp transfer */
      config->use_resume^=TRUE;
      fprintf(stderr, "-c is a deprecated switch, use '-C -' instead!\n");
      break;
    case 'C':
      /* This makes us continue an ftp transfer at given position */
      if(!strequal(nextarg, "-"))
        config->resume_from= atoi(nextarg);
      config->use_resume=TRUE;
      break;
    case 'd':
      /* postfield data */
      {
        char *postdata=NULL;

        if('@' == *nextarg) {
          /* the data begins with a '@' letter, it means that a file name
             or - (stdin) follows */
          FILE *file;

          nextarg++; /* pass the @ */

          if(strequal("-", nextarg))
            file = stdin;
          else 
            file = fopen(nextarg, "r");

          if(subletter == 'b') /* forced binary */
            postdata = file2memory(file, &config->postfieldsize);
          else
            postdata = file2string(file);
          if(file && (file != stdin))
            fclose(stdin);
        }
        else {
          GetStr(&postdata, nextarg);
        }

        if(config->postfields && *config->postfields) {
          /* we already have a string, we append this one
             with a separating &-letter */
          char *oldpost=config->postfields;
          config->postfields=aprintf("%s&%s", oldpost, postdata);
          free(oldpost);
          free(postdata);
        }
        else
          config->postfields=postdata;
      }

      if(SetHTTPrequest(HTTPREQ_SIMPLEPOST, &config->httpreq))
        return PARAM_BAD_USE;
      break;
    case 'D':
      /* dump-header to given file name */
      GetStr(&config->headerfile, nextarg);
      break;
    case 'e':
      {
        char *ptr = strstr(nextarg, ";auto");
        if(ptr) {
          /* Automatic referer requested, this may be combined with a
             set initial one */
          config->conf |= CONF_AUTO_REFERER;
          *ptr = 0; /* zero terminate here */
        }
        GetStr(&config->referer, nextarg);
      }
      break;
    case 'E':
      if(subletter == 'a') {
        /* CA info PEM file */
        GetStr(&config->cacert, nextarg);
      }
      else {
	char *ptr = strchr(nextarg, ':');
	if(ptr) {
	  /* we have a password too */
	  *ptr=0;
	  ptr++;
	  GetStr(&config->cert_passwd, ptr);
	}
	GetStr(&config->cert, nextarg);
      }
      break;
    case 'f':
      /* fail hard on errors  */
      config->conf ^= CONF_FAILONERROR;
      break;
    case 'F':
      /* "form data" simulation, this is a little advanced so lets do our best
	 to sort this out slowly and carefully */
      if(curl_formparse(nextarg,
                        &config->httppost,
                        &config->last_post))
	return PARAM_BAD_USE;
      if(SetHTTPrequest(HTTPREQ_POST, &config->httpreq))
        return PARAM_BAD_USE;
      break;

    case 'g': /* g disables URLglobbing */
      config->globoff ^= TRUE;
      break;

    case 'h': /* h for help */
      help();
      return PARAM_HELP_REQUESTED;
    case 'H':
      /* A custom header to append to a list */
      config->headers = curl_slist_append(config->headers, nextarg);
      break;
    case 'i':
      config->conf ^= CONF_HEADER; /* include the HTTP header as well */
      break;
    case 'I':
      config->conf ^= CONF_HEADER; /* include the HTTP header in the output */
      config->conf ^= CONF_NOBODY; /* don't fetch the body at all */
      if(SetHTTPrequest(HTTPREQ_HEAD, &config->httpreq))
        return PARAM_BAD_USE;
      break;
    case 'K':
      res = parseconfig(nextarg, config);
      config->configread = TRUE;
      if(res)
	return res;
      break;
    case 'l':
      config->conf ^= CONF_FTPLISTONLY; /* only list the names of the FTP dir */
      break;
    case 'L':
      config->conf ^= CONF_FOLLOWLOCATION; /* Follow Location: HTTP headers */
      break;
    case 'm':
      /* specified max time */
      config->timeout = atoi(nextarg);
      break;
    case 'M': /* M for manual, huge help */
      hugehelp();
      return PARAM_HELP_REQUESTED;
    case 'n':
      /* pick info from .netrc, if this is used for http, curl will
	 automatically enfore user+password with the request */
      config->conf ^= CONF_NETRC;
      break;
    case 'N':
      /* disable the output I/O buffering */
      config->nobuffer ^= 1;
      break;
    case 'o':
    case 'O':
      /* output file */
      {
        struct getout *url;
        if(config->url_out || (config->url_out=config->url_list)) {
          /* there's a node here, if it already is filled-in continue to find
             an "empty" node */
          while(config->url_out && (config->url_out->flags&GETOUT_OUTFILE))
            config->url_out = config->url_out->next;
        }

        /* now there might or might not be an available node to fill in! */

        if(config->url_out)
          /* existing node */
          url = config->url_out;
        else
          /* there was no free node, create one! */
          url=new_getout(config);

        if(url) {
          /* fill in the outfile */
          if('o' == letter)
            GetStr(&url->outfile, nextarg);
          else {
            url->outfile=NULL; /* leave it */
            url->flags |= GETOUT_USEREMOTE;
          }
          url->flags |= GETOUT_OUTFILE;
        }
      }
      break;
    case 'P':
      /* This makes the FTP sessions use PORT instead of PASV */
      /* use <eth0> or <192.168.10.10> style addresses. Anything except
	 this will make us try to get the "default" address.
	 NOTE: this is a changed behaviour since the released 4.1!
	 */
      GetStr(&config->ftpport, nextarg);
      break;
    case 'p':
      /* proxy tunnel for non-http protocols */
      config->proxytunnel ^= TRUE;
      break;

    case 'q': /* if used first, already taken care of, we do it like
		 this so we don't cause an error! */
      break;
    case 'Q':
      /* QUOTE command to send to FTP server */
      if(nextarg[0] == '-') {
        /* prefixed with a dash makes it a POST TRANSFER one */
        nextarg++;
        config->postquote = curl_slist_append(config->postquote, nextarg);
      }
      else {
        config->quote = curl_slist_append(config->quote, nextarg);
      }
      break;
    case 'r':
      /* byte range requested */
      GetStr(&config->range, nextarg);
      break;
    case 's':
      /* don't show progress meter, don't show errors : */
      config->conf |= (CONF_MUTE|CONF_NOPROGRESS);
      config->showerror ^= TRUE; /* toggle off */
      break;
    case 'S':
      /* show errors */
      config->showerror ^= TRUE; /* toggle on if used with -s */
      break;
    case 't':
      /* Telnet options */
      config->telnet_options = curl_slist_append(config->telnet_options, nextarg);
      break;
    case 'T':
      /* we are uploading */
      config->conf |= CONF_UPLOAD;
      if(!strequal("-", nextarg))
        /* make - equal stdin */
        GetStr(&config->infile, nextarg);
      break;
    case 'u':
      /* user:password  */
      GetStr(&config->userpwd, nextarg);
      break;
    case 'U':
      /* Proxy user:password  */
      GetStr(&config->proxyuserpwd, nextarg);
      break;
    case 'v':
      config->conf ^= CONF_VERBOSE; /* talk a lot */
      break;
    case 'V':
      printf(CURL_ID "%s\n", curl_version());
      return PARAM_HELP_REQUESTED;
    case 'w':
      /* get the output string */
      if('@' == *nextarg) {
        /* the data begins with a '@' letter, it means that a file name
           or - (stdin) follows */
        FILE *file;
        nextarg++; /* pass the @ */
        if(strequal("-", nextarg))
          file = stdin;
        else 
          file = fopen(nextarg, "r");
        config->writeout = file2string(file);
        if(file && (file != stdin))
          fclose(stdin);
      }
      else 
        GetStr(&config->writeout, nextarg);
      break;
    case 'x':
      /* proxy */
      GetStr(&config->proxy, nextarg);
      break;
    case 'X':
      /* HTTP request */
      GetStr(&config->customrequest, nextarg);
      if(SetHTTPrequest(HTTPREQ_CUSTOM, &config->httpreq))
        return PARAM_BAD_USE;
      break;
    case 'y':
      /* low speed time */
      config->low_speed_time = atoi(nextarg);
      if(!config->low_speed_limit)
	config->low_speed_limit = 1;
      break;
    case 'Y':
      /* low speed limit */
      config->low_speed_limit = atoi(nextarg);
      if(!config->low_speed_time)
	config->low_speed_time=30;
      break;
    case 'z': /* time condition coming up */
      switch(*nextarg) {
      case '+':
        nextarg++;
      default:
        /* If-Modified-Since: (section 14.28 in RFC2068) */
        config->timecond = TIMECOND_IFMODSINCE;
        break;
      case '-':
        /* If-Unmodified-Since:  (section 14.24 in RFC2068) */
        config->timecond = TIMECOND_IFUNMODSINCE;
        nextarg++;
        break;
      case '=':
        /* Last-Modified:  (section 14.29 in RFC2068) */
        config->timecond = TIMECOND_LASTMOD;
        nextarg++;
        break;
      }
      now=time(NULL);
      config->condtime=curl_getdate(nextarg, &now);
      if(-1 == config->condtime) {
        /* now let's see if it is a file name to get the time from instead! */
        struct stat statbuf;
        if(-1 == stat(nextarg, &statbuf)) {
          /* failed, remove time condition */
          config->timecond = TIMECOND_NONE;
        }
        else {
          /* pull the time out from the file */
          config->condtime = statbuf.st_mtime;
        }
      }
      break;
    case 'Z':
      /* specified max no of redirects (http(s)) */
      config->maxredirs = atoi(nextarg);
      break;

    default: /* unknown flag */
      return PARAM_OPTION_UNKNOWN;
    }
    hit = -1;

  } while(!singleopt && *++parse && !*usedarg);

  return PARAM_OK;
}


static int parseconfig(char *filename,
		       struct Configurable *config)
{
  int res;
  FILE *file;
  char filebuffer[256];
  bool usedarg;
  char *home=NULL;
  
  if(!filename || !*filename) {
    /* NULL or no file name attempts to load .curlrc from the homedir! */

#define CURLRC DOT_CHAR "curlrc"

    home = curl_getenv("HOME"); /* portable environment reader */

    if(!home)
      return 0;
    if(strlen(home)>(sizeof(filebuffer)-strlen(CURLRC))) {
      free(home);
      return 0;
    }

    sprintf(filebuffer, "%s%s%s", home, DIR_CHAR, CURLRC);

    filename = filebuffer;
  }

  if(strcmp(filename,"-"))
    file = fopen(filename, "r");
  else
    file = stdin;
  
  if(file) {
    char *line;
    char *aline;
    char *option;
    char *param;
    int lineno=0;
    bool alloced_param;

#define isseparator(x) (((x)=='=') || ((x) == ':'))

    while (NULL != (aline = my_get_line(file))) {
      lineno++;
      line = aline;
      alloced_param=FALSE;

      /* lines with # in the fist column is a comment! */
      while(isspace((int)*line))
        line++;

      switch(*line) {
      case '#':
      case '/':
      case '\r':
      case '\n':
      case '*':
      case '\0':
        free(line);
        continue;
      }

      /* the option keywords starts here */
      option = line;
      while(*line && !isspace((int)*line) && !isseparator(*line))
        line++;
      /* ... and has ended here */

      *line++=0; /* zero terminate, we have a local copy of the data */

#ifdef DEBUG_CONFIG
      fprintf(stderr, "GOT: %s\n", option);
#endif

      /* pass spaces and separator(s) */
      while(isspace((int)*line) || isseparator(*line))
        line++;
      
      /* the parameter starts here (unless quoted) */
      if(*line == '\"') {
        char *ptr;
        /* quoted parameter, do the qoute dance */
        line++;
        param=strdup(line); /* parameter */
        alloced_param=TRUE;

        ptr=param;
        while(*line && (*line != '\"')) {
          if(*line == '\\') {
            char out;
            line++;

            /* default is to output the letter after the backslah */
            switch(out = *line) {
            case '\0':
              continue; /* this'll break out of the loop */
            case 't':
              out='\t';
              break;
            case 'n':
              out='\n';
              break;
            case 'r':
              out='\r';
              break;
            case 'v':
              out='\v';
              break;
            }
            *ptr++=out;
            line++;
          }
          else
            *ptr++=*line++;
        }
        *ptr=0; /* always zero terminate */

      }
      else {
        param=line; /* parameter starts here */
        while(*line && !isspace((int)*line))
          line++;
        *line=0; /* zero terminate */
      }
#ifdef DEBUG_CONFIG
      fprintf(stderr, "PARAM: \"%s\"\n", param);
#endif
      res = getparameter(option, param, &usedarg, config);

      if(*param && !usedarg)
        /* we passed in a parameter that wasn't used! */
        res = PARAM_GOT_EXTRA_PARAMETER;

      if(res != PARAM_OK) {
        /* the help request isn't really an error */
        if(!strcmp(filename, "-")) {
          filename="<stdin>";
        }
        if(PARAM_HELP_REQUESTED != res) {
          char *reason;
          switch(res) {
          default:
          case PARAM_GOT_EXTRA_PARAMETER:
            reason = "had unsupported trailing garbage";
            break;
          case PARAM_OPTION_UNKNOWN:
            reason = "is unknown";
            break;
          case PARAM_OPTION_AMBIGUOUS:
            reason = "is ambiguous";
            break;
          case PARAM_REQUIRES_PARAMETER:
            reason = "requires parameter";
            break;
          case PARAM_BAD_USE:
            reason = "is badly used here";
            break;
          }
          fprintf(stderr, "%s:%d: warning: '%s' %s\n",
                  filename, lineno, option, reason);
        }
      }

      if(alloced_param)
        free(param);

      free(aline);
    }
    if(file != stdin)
      fclose(file);
  }
  if(home)
    free(home);
  return 0;
}

struct OutStruct {
  char *filename;
  FILE *stream;
  struct Configurable *config;
};

int my_fwrite(void *buffer, size_t size, size_t nmemb, FILE *stream)
{
  struct OutStruct *out=(struct OutStruct *)stream;
  if(out && !out->stream) {
    /* open file for writing */
    out->stream=fopen(out->filename, "wb");
    if(!out->stream)
      return -1; /* failure */
    if(out->config->nobuffer) {
      /* disable output buffering */
#ifdef HAVE_SETVBUF
      setvbuf(out->stream, NULL, _IONBF, 0);
#endif
    }
  }
  return fwrite(buffer, size, nmemb, out->stream);
}

struct ProgressData {
  size_t total;
  size_t prev;
  size_t point;
  int width;
};

int myprogress (void *clientp,
                size_t dltotal,
                size_t dlnow,
                size_t ultotal,
                size_t ulnow)
{
  /* The original progress-bar source code was written for curl by Lars Aas,
     and this new edition inherites some of his concepts. */
  
  char line[256];
  char outline[256];
  char format[40];
  float frac;
  float percent;
  int barwidth;
  int num;
  int i;

  struct ProgressData *bar = (struct ProgressData *)clientp;
  size_t total = dltotal + ultotal;

  bar->point = dlnow + ulnow; /* we've come this far */

  if(0 == total) {
    int prevblock = bar->prev / 1024;
    int thisblock = bar->point / 1024;
    while ( thisblock > prevblock ) {
      fprintf( stderr, "#" );
      prevblock++;
    }
  }
  else {
    frac = (float) bar->point / (float) total;
    percent = frac * 100.0f;
    barwidth = bar->width - 7;
    num = (int) (((float)barwidth) * frac);
    i = 0;
    for ( i = 0; i < num; i++ ) {
      line[i] = '#';
    }
    line[i] = '\0';
    sprintf( format, "%%-%ds %%5.1f%%%%", barwidth );
    sprintf( outline, format, line, percent );
    fprintf( stderr, "\r%s", outline );
  }
  bar->prev = bar->point;

  return 0;
}

void progressbarinit(struct ProgressData *bar)
{
#ifdef __EMX__
  /* 20000318 mgs */
  int scr_size [2];
#endif
  char *colp;

  memset(bar, 0, sizeof(struct ProgressData));

/* TODO: get terminal width through ansi escapes or something similar.
         try to update width when xterm is resized... - 19990617 larsa */
#ifndef __EMX__
  /* 20000318 mgs
   * OS/2 users most likely won't have this env var set, and besides that
   * we're using our own way to determine screen width */
  colp = curl_getenv("COLUMNS");
  if (colp != NULL) {
    bar->width = atoi(colp);
    free(colp);
  }
  else
    bar->width = 79;
#else
  /* 20000318 mgs
   * We use this emx library call to get the screen width, and subtract
   * one from what we got in order to avoid a problem with the cursor
   * advancing to the next line if we print a string that is as long as
   * the screen is wide. */
 
  _scrsize(scr_size);
  bar->width = scr_size[0] - 1;
#endif

}

void free_config_fields(struct Configurable *config)
{
  if(config->random_file)
    free(config->random_file);
  if(config->egd_file)
    free(config->egd_file);
  if(config->userpwd)
    free(config->userpwd);
  if(config->postfields)
    free(config->postfields);
  if(config->proxy)
    free(config->proxy);
  if(config->proxyuserpwd)
    free(config->proxyuserpwd);
  if(config->cookie)
    free(config->cookie);
  if(config->cookiefile)
    free(config->cookiefile);
  if(config->krb4level)
    free(config->krb4level);
  if(config->headerfile)
    free(config->headerfile);
  if(config->ftpport)
    free(config->ftpport);
  if(config->infile)
    free(config->infile);
  if(config->range)
    free(config->range);
  if(config->customrequest)
    free(config->customrequest);
  if(config->writeout)
    free(config->writeout);
  if(config->httppost)
    curl_formfree(config->httppost);
  if(config->cacert)
    free(config->cacert);

  curl_slist_free_all(config->quote); /* checks for config->quote == NULL */
  curl_slist_free_all(config->postquote); /*  */
  curl_slist_free_all(config->headers); /*  */
}


static int 
operate(struct Configurable *config, int argc, char *argv[])
{
  char errorbuffer[CURL_ERROR_SIZE];
  char useragent[128]; /* buah, we don't want a larger default user agent */
  struct ProgressData progressbar;
  struct getout *urlnode;
  struct getout *nextnode;

  struct OutStruct outs;
  struct OutStruct heads;

  char *url = NULL;

  URLGlob *urls=NULL;
  int urlnum;
  char *outfiles;
  int separator = 0;
  
  FILE *infd = stdin;
  FILE *headerfilep = NULL;
  char *urlbuffer=NULL;
  int infilesize=-1; /* -1 means unknown */
  bool stillflags=TRUE;

  bool allocuseragent=FALSE;

  CURL *curl;
  int res;
  int i;

#ifdef MALLOCDEBUG
  /* this sends all memory debug messages to a logfile named memdump */
  curl_memdebug("memdump");
#endif

  main_init(); /* inits winsock crap for windows */

  config->showerror=TRUE;
  config->conf=CONF_DEFAULT;

  if(argc>1 &&
     (!strnequal("--", argv[1], 2) && (argv[1][0] == '-')) &&
     strchr(argv[1], 'q')) {
    /*
     * The first flag, that is not a verbose name, but a shortname
     * and it includes the 'q' flag!
     */
    ;
  }
  else {
    res = parseconfig(NULL, config);
    if(res)
      return res;
  }

  if ((argc < 2)  && !config->url_list) {
    helpf(NULL);
    return CURLE_FAILED_INIT;
  }

  /* Parse options */
  for (i = 1; i < argc; i++) {
    if(stillflags &&
       ('-' == argv[i][0])) {
      char *nextarg;
      bool passarg;
      char *origopt=argv[i];
      
      char *flag = argv[i];

      if(strequal("--", argv[i]))
	/* this indicates the end of the flags and thus enables the
	   following (URL) argument to start with -. */
	stillflags=FALSE;
      else {
	nextarg= (i < argc - 1)? argv[i+1]: NULL;

	res = getparameter(flag, nextarg, &passarg, config);
	if(res) {
          switch(res) {
          case PARAM_OPTION_AMBIGUOUS:
            helpf("option %s is ambiguous\n", origopt);
            break;
          case PARAM_OPTION_UNKNOWN:
            helpf("option %s is unknown\n", origopt);
            break;
          case PARAM_REQUIRES_PARAMETER:
            helpf("option %s requires an extra argument!\n", origopt);
            break;
          case PARAM_BAD_USE:
            helpf("option %s was wrongly used!\n", origopt);
            break;
          case PARAM_HELP_REQUESTED:
            /* no text */
            break;
          }
          clean_getout(config);
	  return CURLE_FAILED_INIT;
        }

	if(passarg) /* we're supposed to skip this */
	  i++;
      }
    }
    else {
      bool used;
      /* just add the URL please */
      res = getparameter("--url", argv[i], &used, config);
      if(res)
        return res;
    }
  }

  if(!config->url_list) {
    helpf("no URL specified!\n");
    return CURLE_FAILED_INIT;
  }
  if(NULL == config->useragent) {
    /* set non-zero default values: */
    snprintf(useragent, sizeof(useragent),
             CURL_NAME "/" CURL_VERSION " (" OS ") " "%s", curl_version());
    config->useragent= useragent;
  }
  else
    allocuseragent = TRUE;

  /*
   * Get a curl handle to use for all forthcoming curl transfers.  Cleanup
   * when all transfers are done. This is supported with libcurl 7.7 and
   * should not be attempted on previous versions.
   */
  curl = curl_easy_init();
  if(!curl)
    return CURLE_FAILED_INIT;

  urlnode = config->url_list;

  /* loop through the list of given URLs */
  while(urlnode) {

    /* get the full URL (it might be NULL) */
    url=urlnode->url;

    if(NULL == url) {
      /* This node had no URL, skip it and continue to the next */
      if(urlnode->outfile)
        free(urlnode->outfile);
    
      /* move on to the next URL */
      nextnode=urlnode->next;
      free(urlnode); /* free the node */
      urlnode = nextnode;
      continue; /* next please */
    }

    /* default output stream is stdout */
    outs.stream = stdout;
    outs.config = config;

    if(!config->globoff) {
      /* Unless explicitly shut off, we expand '{...}' and '[...]' expressions
         and return total number of URLs in pattern set */
      res = glob_url(&urls, url, &urlnum);
      if(res != CURLE_OK)
        return res;
    }


    /* save outfile pattern before expansion */
    outfiles = urlnode->outfile?strdup(urlnode->outfile):NULL;

    if ((!outfiles || strequal(outfiles, "-")) && urlnum > 1) {
      /* multiple files extracted to stdout, insert separators! */
      separator = 1;
    }
    for(i = 0;
        (url = urls?next_url(urls):(i?NULL:strdup(url)));
        i++) {
      char *outfile;
      outfile = outfiles?strdup(outfiles):NULL;
 
      if((urlnode->flags&GETOUT_USEREMOTE) ||
         (outfile && !strequal("-", outfile)) ) {

        /* 
         * We have specified a file name to store the result in, or we have
         * decided we want to use the remote file name.
         */
      
        if(!outfile) {
          /* Find and get the remote file name */
          char * pc =strstr(url, "://");
          if(pc)
            pc+=3;
          else
            pc=url;
          pc = strrchr(pc, '/');
          outfile = (char *) NULL == pc ? NULL : strdup(pc+1) ;
          if(!outfile) {
            helpf("Remote file name has no length!\n");
            return CURLE_WRITE_ERROR;
          }
        }
        else if(urls) {
          /* fill '#1' ... '#9' terms from URL pattern */
          char *storefile = outfile;
          outfile = match_url(storefile, urls);
          free(storefile);
        }
      
        if((0 == config->resume_from) && config->use_resume) {
          /* we're told to continue where we are now, then we get the size of
             the file as it is now and open it for append instead */

          struct stat fileinfo;

          if(0 == stat(outfile, &fileinfo)) {
            /* set offset to current file size: */
            config->resume_from = fileinfo.st_size;
          }
          /* else let offset remain 0 */
        }
      
        if(config->resume_from) {
          /* open file for output: */
          outs.stream=(FILE *) fopen(outfile, config->resume_from?"ab":"wb");
          if (!outs.stream) {
            helpf("Can't open '%s'!\n", outfile);
            return CURLE_WRITE_ERROR;
          }
        }
        else {
          outs.filename = outfile;
          outs.stream = NULL; /* open when needed */
        }
      }
      if(config->infile) {
        /*
         * We have specified a file to upload
         */
        struct stat fileinfo;

        /* If no file name part is given in the URL, we add this file name */
        char *ptr=strstr(url, "://");
        if(ptr)
          ptr+=3;
        else
          ptr=url;
        ptr = strrchr(ptr, '/');
        if(!ptr || !strlen(++ptr)) {
          /* The URL has no file name part, add the local file name. In order
             to be able to do so, we have to create a new URL in another
             buffer.*/

          urlbuffer=(char *)malloc(strlen(url) + strlen(config->infile) + 3);
          if(!urlbuffer) {
            helpf("out of memory\n");
            return CURLE_OUT_OF_MEMORY;
          }
          if(ptr)
            /* there is a trailing slash on the URL */
            sprintf(urlbuffer, "%s%s", url, config->infile);
          else
            /* thers is no trailing slash on the URL */
            sprintf(urlbuffer, "%s/%s", url, config->infile);
          
          url = urlbuffer; /* use our new URL instead! */
        }

        infd=(FILE *) fopen(config->infile, "rb");
        if (!infd || stat(config->infile, &fileinfo)) {
          helpf("Can't open '%s'!\n", config->infile);
          return CURLE_READ_ERROR;
        }
        infilesize=fileinfo.st_size;
      
      }
      if((config->conf&CONF_UPLOAD) &&
         config->use_resume &&
         (0==config->resume_from)) {
        config->resume_from = -1; /* -1 will then force get-it-yourself */
      }
      if(config->headerfile) {
        /* open file for output: */
        if(strcmp(config->headerfile,"-")) {
          heads.filename = config->headerfile;
          headerfilep=NULL;
        }
        else
          headerfilep=stdout;
        heads.stream = headerfilep;
        heads.config = config;
      }
    
      if(outs.stream && isatty(fileno(outs.stream)) &&
         !(config->conf&(CONF_UPLOAD|CONF_HTTPPOST)))
        /* we send the output to a tty and it isn't an upload operation,
           therefore we switch off the progress meter */
        config->conf |= CONF_NOPROGRESS;
    

      if (urlnum > 1) {
        fprintf(stderr, "\n[%d/%d]: %s --> %s\n",
                i+1, urlnum, url, outfile ? outfile : "<stdout>");
        if (separator)
          printf("%s%s\n", CURLseparator, url);
      }

      if(!config->errors)
        config->errors = stderr;

#if defined(WIN32) && !defined(__CYGWIN32__)
      if(!outfile && !(config->conf & CONF_GETTEXT)) {
        /* We get the output to stdout and we have not got the ASCII/text flag,
           then set stdout to be binary */
        setmode( 1, O_BINARY );
      }
#endif


      curl_easy_setopt(curl, CURLOPT_FILE, (FILE *)&outs); /* where to store */
      /* what call to write: */
      curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);
      curl_easy_setopt(curl, CURLOPT_INFILE, infd); /* for uploads */
      /* size of uploaded file: */
      curl_easy_setopt(curl, CURLOPT_INFILESIZE, infilesize);
      curl_easy_setopt(curl, CURLOPT_URL, url);     /* what to fetch */
      curl_easy_setopt(curl, CURLOPT_PROXY, config->proxy); /* proxy to use */
      curl_easy_setopt(curl, CURLOPT_VERBOSE, config->conf&CONF_VERBOSE);
      curl_easy_setopt(curl, CURLOPT_HEADER, config->conf&CONF_HEADER);
      curl_easy_setopt(curl, CURLOPT_NOPROGRESS, config->conf&CONF_NOPROGRESS);
      curl_easy_setopt(curl, CURLOPT_NOBODY, config->conf&CONF_NOBODY);
      curl_easy_setopt(curl, CURLOPT_FAILONERROR,
                       config->conf&CONF_FAILONERROR);
      curl_easy_setopt(curl, CURLOPT_UPLOAD, config->conf&CONF_UPLOAD);
      curl_easy_setopt(curl, CURLOPT_FTPLISTONLY,
                       config->conf&CONF_FTPLISTONLY);
      curl_easy_setopt(curl, CURLOPT_FTPAPPEND, config->conf&CONF_FTPAPPEND);
      curl_easy_setopt(curl, CURLOPT_NETRC, config->conf&CONF_NETRC);
      curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION,
                       config->conf&CONF_FOLLOWLOCATION);
      curl_easy_setopt(curl, CURLOPT_TRANSFERTEXT, config->conf&CONF_GETTEXT);
      curl_easy_setopt(curl, CURLOPT_MUTE, config->conf&CONF_MUTE);
      curl_easy_setopt(curl, CURLOPT_USERPWD, config->userpwd);
      curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
      curl_easy_setopt(curl, CURLOPT_RANGE, config->range);
      curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer);
      curl_easy_setopt(curl, CURLOPT_TIMEOUT, config->timeout);
      curl_easy_setopt(curl, CURLOPT_POSTFIELDS, config->postfields);
        
      /* new in libcurl 7.2: */
      curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, config->postfieldsize);
        
      curl_easy_setopt(curl, CURLOPT_REFERER, config->referer);
      curl_easy_setopt(curl, CURLOPT_AUTOREFERER,
                       config->conf&CONF_AUTO_REFERER);
      curl_easy_setopt(curl, CURLOPT_USERAGENT, config->useragent);
      curl_easy_setopt(curl, CURLOPT_FTPPORT, config->ftpport);
      curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, config->low_speed_limit);
      curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, config->low_speed_time);
      curl_easy_setopt(curl, CURLOPT_RESUME_FROM,
                       config->use_resume?config->resume_from:0);
      curl_easy_setopt(curl, CURLOPT_COOKIE, config->cookie);
      curl_easy_setopt(curl, CURLOPT_HTTPHEADER, config->headers);
      curl_easy_setopt(curl, CURLOPT_HTTPPOST, config->httppost);
      curl_easy_setopt(curl, CURLOPT_SSLCERT, config->cert);
      curl_easy_setopt(curl, CURLOPT_SSLCERTPASSWD, config->cert_passwd);

      if(config->cacert) {
        /* available from libcurl 7.5: */
        curl_easy_setopt(curl, CURLOPT_CAINFO, config->cacert);
        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, TRUE);
      }
      
      if(config->conf&(CONF_NOBODY|CONF_USEREMOTETIME)) {
        /* no body or use remote time */
        /* new in 7.5 */
        curl_easy_setopt(curl, CURLOPT_FILETIME, TRUE);
      }
      
      /* 7.5 news: */
      if (config->maxredirs) 
        curl_easy_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs); 
      else 
        curl_easy_setopt(curl, CURLOPT_MAXREDIRS, DEFAULT_MAXREDIRS); 
 
      curl_easy_setopt(curl, CURLOPT_CRLF, config->crlf);
      curl_easy_setopt(curl, CURLOPT_QUOTE, config->quote);
      curl_easy_setopt(curl, CURLOPT_POSTQUOTE, config->postquote);
      curl_easy_setopt(curl, CURLOPT_WRITEHEADER,
                       config->headerfile?&heads:NULL);
      curl_easy_setopt(curl, CURLOPT_COOKIEFILE, config->cookiefile);
      curl_easy_setopt(curl, CURLOPT_SSLVERSION, config->ssl_version);
      curl_easy_setopt(curl, CURLOPT_TIMECONDITION, config->timecond);
      curl_easy_setopt(curl, CURLOPT_TIMEVALUE, config->condtime);
      curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
      curl_easy_setopt(curl, CURLOPT_STDERR, config->errors);
      
      /* three new ones in libcurl 7.3: */
      curl_easy_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel);
      curl_easy_setopt(curl, CURLOPT_INTERFACE, config->iface);
      curl_easy_setopt(curl, CURLOPT_KRB4LEVEL, config->krb4level);
      
      if((config->progressmode == CURL_PROGRESS_BAR) &&
         !(config->conf&(CONF_NOPROGRESS|CONF_MUTE))) {
        /* we want the alternative style, then we have to implement it
           ourselves! */
        progressbarinit(&progressbar);
        curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, myprogress);
        curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &progressbar);
      }
        
      /* new in libcurl 7.6.2: */
      curl_easy_setopt(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);

      /* new in libcurl 7.7: */
      curl_easy_setopt(curl, CURLOPT_RANDOM_FILE, config->random_file);
      curl_easy_setopt(curl, CURLOPT_EGDSOCKET, config->egd_file);
      curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, config->connecttimeout);
      
      res = curl_easy_perform(curl);
        
      if(config->writeout) {
        ourWriteOut(curl, config->writeout);
      }
        
      if((res!=CURLE_OK) && config->showerror)
        fprintf(config->errors, "curl: (%d) %s\n", res, errorbuffer);

      if((config->errors != stderr) &&
         (config->errors != stdout))
        /* it wasn't directed to stdout or stderr so close the file! */
        fclose(config->errors);
    
      if(config->headerfile && !headerfilep && heads.stream)
        fclose(heads.stream);

      if(urlbuffer)
        free(urlbuffer);
      if (outfile && !strequal(outfile, "-") && outs.stream)
        fclose(outs.stream);
      if (config->infile)
        fclose(infd);
      if(headerfilep)
        fclose(headerfilep);
      
      if(url)
        free(url);

      if(outfile)
        free(outfile);
    }
    if(outfiles)
      free(outfiles);

    if(urls)
      /* cleanup memory used for URL globbing patterns */
      glob_cleanup(urls);

    /* empty this urlnode struct */
    if(urlnode->url)
      free(urlnode->url);
    if(urlnode->outfile)
      free(urlnode->outfile);
    
    /* move on to the next URL */
    nextnode=urlnode->next;
    free(urlnode); /* free the node */
    urlnode = nextnode;

  } /* while-loop through all URLs */

  if(allocuseragent)
    free(config->useragent);

  /* cleanup the curl handle! */
  curl_easy_cleanup(curl);

  main_free(); /* cleanup the winsock stuff for windows */

  return res;
}


int main(int argc, char *argv[])
{
  int res;
  struct Configurable config;
  memset(&config, 0, sizeof(struct Configurable));
  
  res = operate(&config, argc, argv);
  free_config_fields(&config);

  return res;
}

static char *my_get_line(FILE *fp)
{
   char buf[4096];
   char *nl = NULL;
   char *retval = NULL;

   do
   {
      if (NULL == fgets(buf, sizeof(buf), fp))
         break;
      if (NULL == retval)
         retval = strdup(buf);
      else
      {
         if (NULL == (retval = realloc(retval,
                                       strlen(retval) + strlen(buf) + 1)))
            break;
         strcat(retval, buf);
      }
   }
   while (NULL == (nl = strchr(retval, '\n')));

   if (NULL != nl)
     *nl = '\0';

   return retval;
}