コード例 #1
0
ファイル: dproxy.c プロジェクト: BackupTheBerlios/wl530g-svn
void dns_handle_request(dns_request_t *m)
{
  dns_request_t *ptr = NULL;

  /* request may be a new query or a answer from the upstream server */
  ptr = dns_list_find_by_id( dns_request_list, m );

  if( ptr != NULL ){
    debug("Found query in list\n");
    /* message may be a response */
    if( m->message.header.flags.f.question == 1 ){
      dns_write_packet( dns_sock, ptr->src_addr, ptr->src_port, m );
      debug("Replying with answer from %s\n", inet_ntoa( m->src_addr ));
      if( m->message.header.flags.f.rcode == 0 && /* modified by CMC 2002/12/6 */
          (ptr->message.question[0].type == A || ptr->message.question[0].type == PTR) ){
	debug("Cache append: %s ----> %s\n", m->cname, m->ip );
	cache_name_append( m->cname, m->ip );
      }
      dns_request_list = dns_list_remove( dns_request_list, ptr );
    }else{
      ptr->duplicate_queries++;	   /* added by CMC 8/4/2001 */
      debug("Duplicate query(%d)\n", ptr->duplicate_queries);
      forward_dns_query( ptr, m ); /* added by CMC 8/4/2001 */
    }
  }else{
    dns_handle_new_query( m );
  }

}
コード例 #2
0
ファイル: dproxy.c プロジェクト: Nymphetaminer/dsl-n55u
void dns_handle_request(dns_request_t *m)
{
  dns_request_t *ptr = NULL;

  /* request may be a new query or a answer from the upstream server */
  ptr = dns_list_find_by_id( dns_request_list, m );

  if( ptr != NULL ){
    debug("Found query in list\n");
    /* message may be a response */
    if( m->message.header.flags.f.question == 1 ){
      if( m->message.header.flags.f.rcode == 0 ){ // lookup was succesful
        dns_write_packet( dns_sock, ptr->src_addr, ptr->src_port, m );
        debug("Replying with answer from %s\n", inet_ntoa( m->src_addr ));
        dns_request_list = dns_list_remove( dns_request_list, ptr );
	debug("Cache append: %s ----> %s\n", m->cname, m->ip );
	cache_name_append( m->cname, m->ip );
      }

    /*if( m->message.header.flags.f.question == 1 ){
      dns_write_packet( dns_sock, ptr->src_addr, ptr->src_port, m );
      debug("Replying with answer from %s\n", inet_ntoa( m->src_addr ));
      dns_request_list = dns_list_remove( dns_request_list, ptr );
      if( m->message.header.flags.f.rcode == 0 ){ // lookup was succesful
	debug("Cache append: %s ----> %s\n", m->cname, m->ip );
	cache_name_append( m->cname, m->ip );
      }*/

    }else{
      debug("Duplicate query\n");
    }
  }else{
    dns_handle_new_query( m );
  }

}