/* more sophisticated functions */
ldns_resolver *
ldns_resolver_new(void)
{
ldns_resolver *r;
r = LDNS_MALLOC(ldns_resolver);
if (!r) {
return NULL;
}
r->_searchlist = NULL;
r->_nameservers = NULL;
r->_rtt = NULL;
/* defaults are filled out */
ldns_resolver_set_searchlist_count(r, 0);
ldns_resolver_set_nameserver_count(r, 0);
ldns_resolver_set_usevc(r, 0);
ldns_resolver_set_port(r, LDNS_PORT);
ldns_resolver_set_domain(r, NULL);
ldns_resolver_set_defnames(r, false);
ldns_resolver_set_retry(r, 3);
ldns_resolver_set_retrans(r, 2);
ldns_resolver_set_fallback(r, true);
ldns_resolver_set_fail(r, false);
ldns_resolver_set_edns_udp_size(r, 0);
ldns_resolver_set_dnssec(r, false);
ldns_resolver_set_dnssec_cd(r, false);
ldns_resolver_set_dnssec_anchors(r, NULL);
ldns_resolver_set_ip6(r, LDNS_RESOLV_INETANY);
ldns_resolver_set_igntc(r, false);
ldns_resolver_set_recursive(r, false);
ldns_resolver_set_dnsrch(r, true);
/* randomize the nameserver to be queried
* when there are multiple
*/
ldns_resolver_set_random(r, true);
ldns_resolver_set_debug(r, 0);
r->_timeout.tv_sec = LDNS_DEFAULT_TIMEOUT_SEC;
r->_timeout.tv_usec = LDNS_DEFAULT_TIMEOUT_USEC;
/* TODO: fd=0 is actually a valid socket (stdin),
replace with -1 */
r->_socket = 0;
r->_axfr_soa_count = 0;
r->_axfr_i = 0;
r->_cur_axfr_pkt = NULL;
r->_tsig_keyname = NULL;
r->_tsig_keydata = NULL;
r->_tsig_algorithm = NULL;
return r;
}
void
ldns_resolver_push_searchlist(ldns_resolver *r, ldns_rdf *d)
{
ldns_rdf **searchlist;
size_t list_count;
if (ldns_rdf_get_type(d) != LDNS_RDF_TYPE_DNAME) {
return;
}
list_count = ldns_resolver_searchlist_count(r);
searchlist = ldns_resolver_searchlist(r);
searchlist = LDNS_XREALLOC(searchlist, ldns_rdf *, (list_count + 1));
if (searchlist) {
r->_searchlist = searchlist;
searchlist[list_count] = ldns_rdf_clone(d);
ldns_resolver_set_searchlist_count(r, list_count + 1);
}
}
