/***************************************************************************\
**                                                                         **
**  htdump                                                                 **
**                                                                         **
**  Program to make http requests and redirect, save or pipe the output.   **
**  Ideal for automation and debugging.                                    **
**                                                                         **
**                                                                         **
**  By Ren Hoek (ren@arak.cs.hro.nl) Under Artistic License, 2000          **
**                                                                         **
\***************************************************************************/


/***************************************************************************/
/** Defines                                                               **/

#include "global.h"







/***************************************************************************\
**                                                                         **
**  BuildRequest()                                                         **
**                                                                         **
**                                                                         **
**  Process the commandline options.                                       **
**                                                                         **
**                                                                         **
**                                                                         **
\***************************************************************************/

void BuildRequest(void)
{
UINT   t;
UCHAR  buffer[512];




/***************************************************************************/
/** Check the arguments                                                   **/

if(CONFIG.new_argc!=1) Usage();





/***************************************************************************/
/** Get the prefix                                                        **/

if(strncmp("http://", CONFIG.new_argv[0], 7) == 0)
  {
  ArgCopy(&CONFIG.url_service, "80");
  CONFIG.ssl=0;
  DelNChar(CONFIG.new_argv[0], 0, 7);
  }

if(strncmp("https://", CONFIG.new_argv[0], 8) == 0)
  {
  ArgCopy(&CONFIG.url_service, "443");
  CONFIG.ssl=1;
  DelNChar(CONFIG.new_argv[0], 0, 8);
  }



/***************************************************************************/
/** Disect the URL                                                        **/

for(t=0; ; t++)
  {
  if(CONFIG.new_argv[0][t]=='\0')
    {
    /* If we come to the end of the string, that means no path is given */
    /* Also means we reached the end of the host string */
    ArgCopy(&CONFIG.url_host, CONFIG.new_argv[0]);
    ArgCopy(&CONFIG.url_path, "/");
    break;
    }
  if(CONFIG.new_argv[0][t]==':')
    {
    if(strchr(CONFIG.new_argv[0], '@'))
      {
      CONFIG.new_argv[0][t]='\0';
      ArgCopy(&CONFIG.url_username, CONFIG.new_argv[0]);
      }
      else
      {
      CONFIG.new_argv[0][t]='\0';
      ArgCopy(&CONFIG.url_host, CONFIG.new_argv[0]);
      }
    DelNChar(CONFIG.new_argv[0], 0, t+1);
    t=0;
    }
  if(CONFIG.new_argv[0][t]=='@')
    {
    CONFIG.new_argv[0][t]='\0';
    ArgCopy(&CONFIG.url_password, CONFIG.new_argv[0]);
    DelNChar(CONFIG.new_argv[0], 0, t+1);
    t=0;
    }
  if(CONFIG.new_argv[0][t]=='/')
    {
    CONFIG.new_argv[0][t]='\0';
    if(CONFIG.url_host)
      ArgCopy(&CONFIG.url_service, CONFIG.new_argv[0]);
      else
      ArgCopy(&CONFIG.url_host, CONFIG.new_argv[0]);
    CONFIG.new_argv[0][t]='/';
    DelNChar(CONFIG.new_argv[0], 0, t);
    ArgCopy(&CONFIG.url_path, CONFIG.new_argv[0]);
    break;
    }
  }

if(CONFIG.url_username) 
  ArgCopy(&CONFIG.url_b64_password,
           Encode_Password(CONFIG.url_username, 
           CONFIG.url_password
           ));
                        

/***************************************************************************/
/** Construct request buffer                                              **/


sprintf(CONFIG.request, "%s %s", CONFIG.hdr_command, CONFIG.url_path);
switch(CONFIG.hdr_version)
  {
  case 0:    strcat(CONFIG.request, "\n");
             break;
  case 1:    strcat(CONFIG.request, " HTTP/1.0\n");
             break;
  case 2:    strcat(CONFIG.request, " HTTP/1.1\n");
             break;
  }


if(CONFIG.hdr_version==2 || CONFIG.hdr_host)
  {
  if(CONFIG.hdr_host)
    sprintf(buffer, "Host: %s\n", CONFIG.hdr_host);
    else
    sprintf(buffer, "Host: %s\n", CONFIG.url_host);
  strcat(CONFIG.request, buffer);
  }

if(CONFIG.url_b64_password)
  {
  sprintf(buffer, "Authorization: Basic %s\n", CONFIG.url_b64_password);
  strcat(CONFIG.request, buffer);
  }

if(CONFIG.hdr_range)
  {
  sprintf(buffer, "Range: bytes=%s\n", CONFIG.hdr_range);
  strcat(CONFIG.request, buffer);
  }

if(CONFIG.hdr_accept)
  {
  sprintf(buffer, "Accept: %s\n", CONFIG.hdr_accept);
  strcat(CONFIG.request, buffer);
  }

if(CONFIG.hdr_from)
  {
  sprintf(buffer, "From: %s\n", CONFIG.hdr_from);
  strcat(CONFIG.request, buffer);
  }

if(CONFIG.hdr_referer)
  {
  sprintf(buffer, "Referer: %s\n", CONFIG.hdr_referer);
  strcat(CONFIG.request, buffer);
  }

if(CONFIG.hdr_cookie)
  {
  sprintf(buffer, "Cookie: %s\n", CONFIG.hdr_cookie);
  strcat(CONFIG.request, buffer);
  }

if(CONFIG.hdr_agent)
  {
  sprintf(buffer, "User-Agent: %s\n", CONFIG.hdr_agent);
  strcat(CONFIG.request, buffer);
  }

if(CONFIG.post_content)
  {
  sprintf(buffer, "Content-type: application/x-www-form-urlencoded\n"
                  "Content-length: %u\n"
                  "\n"
                  "%s"
                  ,strlen(CONFIG.post_content)
                  ,CONFIG.post_content
                  );
  strcat(CONFIG.request, buffer);
  ArgCopy(&CONFIG.hdr_command, "POST");
  }



strcat(CONFIG.request, "\n");


} /* End of ProcessArguments() */