ldns_pkt * ldns_resolver_search(const ldns_resolver *r,const ldns_rdf *name, ldns_rr_type type, ldns_rr_class c, uint16_t flags) { char *str_dname; ldns_rdf *new_name; ldns_rdf **search_list; size_t i; ldns_pkt *p; str_dname = ldns_rdf2str(name); if (ldns_dname_str_absolute(str_dname)) { /* query as-is */ return ldns_resolver_query(r, name, type, c, flags); } else { search_list = ldns_resolver_searchlist(r); for (i = 0; i < ldns_resolver_searchlist_count(r); i++) { new_name = ldns_dname_cat_clone(name, search_list[i]); p = ldns_resolver_query(r, new_name, type, c, flags); ldns_rdf_free(new_name); if (p) { return p; } } } return NULL; }
void ldns_resolver_deep_free(ldns_resolver *res) { size_t i; if (res) { if (res->_searchlist) { for (i = 0; i < ldns_resolver_searchlist_count(res); i++) { ldns_rdf_deep_free(res->_searchlist[i]); } LDNS_FREE(res->_searchlist); } if (res->_nameservers) { for (i = 0; i < res->_nameserver_count; i++) { ldns_rdf_deep_free(res->_nameservers[i]); } LDNS_FREE(res->_nameservers); } if (ldns_resolver_domain(res)) { ldns_rdf_deep_free(ldns_resolver_domain(res)); } if (res->_tsig_keyname) { LDNS_FREE(res->_tsig_keyname); } if (res->_tsig_keydata) { LDNS_FREE(res->_tsig_keydata); } if (res->_tsig_algorithm) { LDNS_FREE(res->_tsig_algorithm); } if (res->_cur_axfr_pkt) { ldns_pkt_free(res->_cur_axfr_pkt); } if (res->_rtt) { LDNS_FREE(res->_rtt); } if (res->_dnssec_anchors) { ldns_rr_list_deep_free(res->_dnssec_anchors); } LDNS_FREE(res); } }
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); } }