std::vector<std::string> DNSResolver::get_record(const std::string& url, int record_type, std::string (*reader)(const char *,size_t), bool& dnssec_available, bool& dnssec_valid) { std::vector<std::string> addresses; dnssec_available = false; dnssec_valid = false; if (!check_address_syntax(url.c_str())) { return addresses; } // destructor takes care of cleanup ub_result_ptr result; // call DNS resolver, blocking. if return value not zero, something went wrong if (!ub_resolve(m_data->m_ub_context, url.c_str(), record_type, DNS_CLASS_IN, &result)) { dnssec_available = (result->secure || (!result->secure && result->bogus)); dnssec_valid = result->secure && !result->bogus; if (result->havedata) { for (size_t i=0; result->data[i] != NULL; i++) { addresses.push_back((*reader)(result->data[i], result->len[i])); } } } return addresses; }
std::vector<std::string> DNSResolver::get_record(const std::string& url, int record_type, boost::optional<std::string> (*reader)(const char *,size_t), bool& dnssec_available, bool& dnssec_valid) { std::vector<std::string> addresses; dnssec_available = false; dnssec_valid = false; if (!check_address_syntax(url.c_str())) { return addresses; } // destructor takes care of cleanup ub_result_ptr result; // call DNS resolver, blocking. if return value not zero, something went wrong if (!ub_resolve(m_data->m_ub_context, string_copy(url.c_str()), record_type, DNS_CLASS_IN, &result)) { dnssec_available = (result->secure || result->bogus); dnssec_valid = result->secure && !result->bogus; if (result->havedata) { for (size_t i=0; result->data[i] != NULL; i++) { boost::optional<std::string> res = (*reader)(result->data[i], result->len[i]); if (res) { MINFO("Found \"" << *res << "\" in " << get_record_name(record_type) << " record for " << url); addresses.push_back(*res); } } } } return addresses; }