static int rangeStart = 0;                   /* Start of Range: */
static int rangeEnd = 0;                     /* End of Range: plus 1 */

/*
** Set the reply content type
*/
void cgi_set_content_type(const char *zType){
  zContentType = fossil_strdup(zType);
}

/*
** Set the reply content to the specified BLOB.
*/
void cgi_set_content(Blob *pNewContent){
  cgi_reset_content();
  cgi_destination(CGI_HEADER);
  cgiContent[0] = *pNewContent;
  blob_zero(pNewContent);
}

/*
** Set the reply status code
*/
void cgi_set_status(int iStat, const char *zStat){
  zReplyStatus = fossil_strdup(zStat);
  iReplyStatus = iStat;
}

/*
** Append text to the header of an HTTP reply
*/
void cgi_append_header(const char *zLine){

** Add another query parameter or cookie to the parameter set.
** zName is the name of the query parameter or cookie and zValue
** is its fully decoded value.
**
** Copies are made of both the zName and zValue parameters.
*/
void cgi_set_parameter(const char *zName, const char *zValue){
  cgi_set_parameter_nocopy(fossil_strdup(zName),fossil_strdup(zValue), 0);
}
void cgi_set_query_parameter(const char *zName, const char *zValue){
  cgi_set_parameter_nocopy(fossil_strdup(zName),fossil_strdup(zValue), 1);
}

/*
** Replace a parameter with a new value.
*/
void cgi_replace_parameter(const char *zName, const char *zValue){
  int i;

}

/*
** Add a query parameter.  The zName portion is fixed but a copy
** must be made of zValue.
*/
void cgi_setenv(const char *zName, const char *zValue){
  cgi_set_parameter_nocopy(zName, fossil_strdup(zValue), 0);
}

/*
** Add a list of query parameters or cookies to the parameter set.
**
** Each parameter is of the form NAME=VALUE.  Both the NAME and the
** VALUE may be url-encoded ("+" for space, "%HH" for other special

** Where "+" means concatenate.  Fossil requires SCRIPT_NAME.  If
** REQUEST_URI is provided but PATH_INFO is not, then PATH_INFO is
** computed from REQUEST_URI and SCRIPT_NAME.  If PATH_INFO is provided
** but REQUEST_URI is not, then compute REQUEST_URI from PATH_INFO and
** SCRIPT_NAME.  If neither REQUEST_URI nor PATH_INFO are provided, then
** assume that PATH_INFO is an empty string and set REQUEST_URI equal
** to PATH_INFO.
**
** Sometimes PATH_INFO is missing and SCRIPT_NAME is not a prefix of
** REQUEST_URI.  (See https://fossil-scm.org/forum/forumpost/049e8650ed)
** In that case, truncate SCRIPT_NAME so that it is a proper prefix
** of REQUEST_URI.
**
** SCGI typically omits PATH_INFO.  CGI sometimes omits REQUEST_URI and
** PATH_INFO when it is empty.
**
** CGI Parameter quick reference:
**
**                                      REQUEST_URI

      malformed_request("missing SCRIPT_NAME");  /* Does not return */
    }
    nRU = strlen(zRequestUri);
    nPI = strlen(zPathInfo);
    if( nRU<nPI ){
      malformed_request("PATH_INFO is longer than REQUEST_URI");
    }
    zScriptName = fossil_strndup(zRequestUri,(int)(nRU-nPI));
    cgi_set_parameter("SCRIPT_NAME", zScriptName);
  }

#ifdef _WIN32
  /* The Microsoft IIS web server does not define REQUEST_URI, instead it uses
  ** PATH_INFO for virtually the same purpose.  Define REQUEST_URI the same as
  ** PATH_INFO and redefine PATH_INFO with SCRIPT_NAME removed from the 
  ** beginning. */
  if( zServerSoftware && strstr(zServerSoftware, "Microsoft-IIS") ){
    int i, j;
    cgi_set_parameter("REQUEST_URI", zPathInfo);
    for(i=0; zPathInfo[i]==zScriptName[i] && zPathInfo[i]; i++){}
    for(j=i; zPathInfo[j] && zPathInfo[j]!='?'; j++){}
    zPathInfo = fossil_strndup(zPathInfo+i, j-i);
    cgi_replace_parameter("PATH_INFO", zPathInfo);
  }
#endif
  if( zRequestUri==0 ){
    const char *z = zPathInfo;
    if( zPathInfo==0 ){
      malformed_request("missing PATH_INFO and/or REQUEST_URI");
    }
    if( z[0]=='/' ) z++;
    zRequestUri = mprintf("%s/%s", zScriptName, z);
    cgi_set_parameter("REQUEST_URI", zRequestUri);
  }
  if( zPathInfo==0 ){
    int i, j;
    for(i=0; zRequestUri[i]==zScriptName[i] && zRequestUri[i]; i++){}
    for(j=i; zRequestUri[j] && zRequestUri[j]!='?'; j++){}
    zPathInfo = fossil_strndup(zRequestUri+i, j-i);
    cgi_set_parameter_nocopy("PATH_INFO", zPathInfo, 0);
    if( j>i && zScriptName[i]!=0 ){
      /* If SCRIPT_NAME is not a prefix of REQUEST_URI, truncate it so
      ** that it is.  See https://fossil-scm.org/forum/forumpost/049e8650ed
      */
      char *zNew = fossil_strndup(zScriptName, i);
      cgi_replace_parameter("SCRIPT_NAME", zNew);
    }
  }
#ifdef FOSSIL_ENABLE_JSON
  if(noJson==0 && json_request_is_json_api(zPathInfo)){
    /* We need to change some following behaviour depending on whether
    ** we are operating in JSON mode or not. We cannot, however, be
    ** certain whether we should/need to be in JSON mode until the
    ** PATH_INFO is set up.
    */
    g.json.isJsonMode = 1;
    json_bootstrap_early();
  }else{
    assert(!g.json.isJsonMode &&
           "Internal misconfiguration of g.json.isJsonMode");
  }
#endif
  z = (char*)P("HTTP_COOKIE");
  if( z ){
    z = fossil_strdup(z);
    add_param_list(z, ';');
  }

  z = (char*)P("QUERY_STRING");
  if( z ){
    z = fossil_strdup(z);
    add_param_list(z, '&');
  }

  z = (char*)P("REMOTE_ADDR");
  if( z ){
    g.zIpAddr = fossil_strdup(z);
  }

  len = atoi(PD("CONTENT_LENGTH", "0"));
  zType = P("CONTENT_TYPE");
  zSemi = zType ? strchr(zType, ';') : 0;
  if( zSemi ){
    g.zContentType = fossil_strndup(zType, (int)(zSemi-zType));
    zType = g.zContentType;
  }else{
    g.zContentType = zType;
  }
  blob_zero(&g.cgiIn);
  if( len>0 && zType ){
    if( fossil_strcmp(zType, "application/x-fossil")==0 ){

  cgi_setenv("PATH_INFO", zToken);
  cgi_setenv("QUERY_STRING", &zToken[i]);
  if( zIpAddr==0 ){
    zIpAddr = cgi_remote_ip(fileno(g.httpIn));
  }
  if( zIpAddr ){
    cgi_setenv("REMOTE_ADDR", zIpAddr);
    g.zIpAddr = fossil_strdup(zIpAddr);
  }


  /* Get all the optional fields that follow the first line.
  */
  while( fgets(zLine,sizeof(zLine),g.httpIn) ){
    char *zFieldName;

    }else if( fossil_strcmp(zFieldName,"user-agent:")==0 ){
      cgi_setenv("HTTP_USER_AGENT", zVal);
    }else if( fossil_strcmp(zFieldName,"authorization:")==0 ){
      cgi_setenv("HTTP_AUTHORIZATION", zVal);
    }else if( fossil_strcmp(zFieldName,"x-forwarded-for:")==0 ){
      const char *zIpAddr = cgi_accept_forwarded_for(zVal);
      if( zIpAddr!=0 ){
        g.zIpAddr = fossil_strdup(zIpAddr);
        cgi_replace_parameter("REMOTE_ADDR", g.zIpAddr);
      }
    }else if( fossil_strcmp(zFieldName,"range:")==0 ){
      int x1 = 0;
      int x2 = 0;
      if( sscanf(zVal,"bytes=%d-%d",&x1,&x2)==2 && x1>=0 && x1<=x2 ){
        rangeStart = x1;

#ifdef FOSSIL_ENABLE_JSON
  if( nCycles==0 ){ json_bootstrap_early(); }
#endif
  if( zIpAddr ){
    if( nCycles==0 ){
      cgi_setenv("REMOTE_ADDR", zIpAddr);
      g.zIpAddr = fossil_strdup(zIpAddr);
    }
  }else{
    fossil_panic("missing SSH IP address");
  }
  if( fgets(zLine, sizeof(zLine),g.httpIn)==0 ){
    malformed_request("missing HTTP header");
  }

  }

  for(i=0; zToken[i] && zToken[i]!='?'; i++){}
  if( zToken[i] ) zToken[i++] = 0;
  if( nCycles==0 ){
    cgi_setenv("PATH_INFO", zToken);
  }else{
    cgi_replace_parameter("PATH_INFO", fossil_strdup(zToken));
  }

  /* Get all the optional fields that follow the first line.
  */
  while( fgets(zLine,sizeof(zLine),g.httpIn) ){
    char *zFieldName;
    char *zVal;

    zVal[i] = 0;
    for(i=0; zFieldName[i]; i++){
      zFieldName[i] = fossil_tolower(zFieldName[i]);
    }
    if( fossil_strcmp(zFieldName,"content-length:")==0 ){
      content_length = atoi(zVal);
    }else if( fossil_strcmp(zFieldName,"content-type:")==0 ){
      g.zContentType = zType = fossil_strdup(zVal);
    }else if( fossil_strcmp(zFieldName,"host:")==0 ){
      if( nCycles==0 ){
        cgi_setenv("HTTP_HOST", zVal);
      }
    }else if( fossil_strcmp(zFieldName,"user-agent:")==0 ){
      if( nCycles==0 ){
        cgi_setenv("HTTP_USER_AGENT", zVal);

    }
  }

  /* Got all probes now first transport_open is completed
  ** so return the command that was requested
  */
  g.fSshClient |= CGI_SSH_COMPAT;
  return fossil_strdup(zToken);
}

/*
** This routine handles the old fossil SSH transport_flip
** and transport_open communications if detected.
*/
void cgi_handle_ssh_transport(const char *zCmd){

** its IP or return default
*/
const char *cgi_ssh_remote_addr(const char *zDefault){
  char *zIndex;
  const char *zSshConn = fossil_getenv("SSH_CONNECTION");

  if( zSshConn && zSshConn[0] ){
    char *zSshClient = fossil_strdup(zSshConn);
    if( (zIndex = strchr(zSshClient,' '))!=0 ){
      zSshClient[zIndex-zSshClient] = '\0';
      return zSshClient;
    }
  }
  return zDefault;
}