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 );
}
}
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 );
}
}
