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#ifndef BOOST_TEST_DYN_LINK
#define BOOST_TEST_DYN_LINK
#endif
#define BOOST_TEST_NO_MAIN
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <boost/test/unit_test.hpp>
#include "dnsrecords.hh"
#include "filterpo.hh"
BOOST_AUTO_TEST_CASE(test_filter_policies_basic)
{
DNSFilterEngine dfe;
std::string zoneName("Unit test policy 0");
auto zone = std::make_shared<DNSFilterEngine::Zone>();
zone->setName(zoneName);
BOOST_CHECK_EQUAL(zone->getName(), zoneName);
zone->setDomain(DNSName("powerdns.com."));
BOOST_CHECK_EQUAL(zone->getDomain(), DNSName("powerdns.com."));
zone->setSerial(42);
BOOST_CHECK_EQUAL(zone->getSerial(), 42U);
zone->setRefresh(99);
BOOST_CHECK_EQUAL(zone->getRefresh(), 99U);
const ComboAddress nsIP("192.0.2.1");
const DNSName nsName("ns.bad.wolf.");
const DNSName nsWildcardName("*.wildcard.wolf.");
const ComboAddress clientIP("192.0.2.128");
const DNSName blockedName("blocked.");
const DNSName blockedWildcardName("*.wildcard-blocked.");
const ComboAddress responseIP("192.0.2.254");
BOOST_CHECK_EQUAL(zone->size(), 0U);
zone->addClientTrigger(Netmask(clientIP, 31), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::ClientIP));
BOOST_CHECK_EQUAL(zone->size(), 1U);
zone->addQNameTrigger(blockedName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::QName));
BOOST_CHECK_EQUAL(zone->size(), 2U);
zone->addQNameTrigger(blockedWildcardName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::QName));
BOOST_CHECK_EQUAL(zone->size(), 3U);
zone->addNSIPTrigger(Netmask(nsIP, 31), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::NSIP));
BOOST_CHECK_EQUAL(zone->size(), 4U);
zone->addNSTrigger(nsName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::NSDName));
BOOST_CHECK_EQUAL(zone->size(), 5U);
zone->addNSTrigger(nsWildcardName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::NSDName));
BOOST_CHECK_EQUAL(zone->size(), 6U);
zone->addResponseTrigger(Netmask(responseIP, 31), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::ResponseIP));
BOOST_CHECK_EQUAL(zone->size(), 7U);
size_t zoneIdx = dfe.addZone(zone);
BOOST_CHECK_EQUAL(dfe.size(), 1U);
BOOST_CHECK(dfe.getZone(zoneName) == zone);
BOOST_CHECK(dfe.getZone(zoneIdx) == zone);
dfe.setZone(zoneIdx, zone);
BOOST_CHECK_EQUAL(dfe.size(), 1U);
BOOST_CHECK(dfe.getZone(zoneName) == zone);
BOOST_CHECK(dfe.getZone(zoneIdx) == zone);
{
/* blocked NS name */
auto matchingPolicy = dfe.getProcessingPolicy(nsName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::NSDName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findExactNSPolicy(nsName, zonePolicy));
BOOST_CHECK(zonePolicy == matchingPolicy);
/* but a subdomain should not be blocked (not a wildcard, and this is not suffix domain matching */
matchingPolicy = dfe.getProcessingPolicy(DNSName("sub") + nsName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(zone->findExactNSPolicy(DNSName("sub") + nsName, zonePolicy) == false);
}
{
/* blocked NS name via wildcard */
const auto matchingPolicy = dfe.getProcessingPolicy(DNSName("sub.sub.wildcard.wolf."), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::NSDName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
BOOST_CHECK_EQUAL(matchingPolicy.d_hitdata->d_trigger, DNSName("*.wildcard.wolf.rpz-nsdname"));
BOOST_CHECK_EQUAL(matchingPolicy.d_hitdata->d_hit, "sub.sub.wildcard.wolf");
/* looking for wildcard.wolf. should not match *.wildcard-blocked. */
const auto notMatchingPolicy = dfe.getProcessingPolicy(DNSName("wildcard.wolf."), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(notMatchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
/* a direct lookup would not match */
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findExactNSPolicy(DNSName("sub.sub.wildcard.wolf."), zonePolicy) == false);
/* except if we look exactly for the wildcard */
BOOST_CHECK(zone->findExactNSPolicy(nsWildcardName, zonePolicy));
BOOST_CHECK(zonePolicy == matchingPolicy);
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_trigger, DNSName("*.wildcard.wolf.rpz-nsdname"));
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_hit, nsWildcardName.toStringNoDot());
}
{
/* allowed NS name */
const auto matchingPolicy = dfe.getProcessingPolicy(DNSName("ns.bad.rabbit."), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findExactNSPolicy(DNSName("ns.bad.rabbit."), zonePolicy) == false);
}
{
/* blocked NS IP */
const auto matchingPolicy = dfe.getProcessingPolicy(nsIP, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::NSIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findNSIPPolicy(nsIP, zonePolicy));
BOOST_CHECK(zonePolicy == matchingPolicy);
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_trigger, DNSName("31.0.2.0.192.rpz-nsip"));
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_hit, nsIP.toString());
}
{
/* allowed NS IP */
const auto matchingPolicy = dfe.getProcessingPolicy(ComboAddress("192.0.2.142"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findNSIPPolicy(ComboAddress("192.0.2.142"), zonePolicy) == false);
}
{
/* blocked qname */
auto matchingPolicy = dfe.getQueryPolicy(blockedName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findExactQNamePolicy(blockedName, zonePolicy));
BOOST_CHECK(zonePolicy == matchingPolicy);
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_trigger, blockedName);
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_hit, blockedName.toStringNoDot());
/* but a subdomain should not be blocked (not a wildcard, and this is not suffix domain matching */
matchingPolicy = dfe.getQueryPolicy(DNSName("sub") + blockedName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(zone->findExactQNamePolicy(DNSName("sub") + blockedName, zonePolicy) == false);
}
{
/* blocked NS name via wildcard */
const auto matchingPolicy = dfe.getQueryPolicy(DNSName("sub.sub.wildcard-blocked."), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
BOOST_CHECK_EQUAL(matchingPolicy.d_hitdata->d_trigger, blockedWildcardName);
BOOST_CHECK_EQUAL(matchingPolicy.d_hitdata->d_hit, "sub.sub.wildcard-blocked");
/* looking for wildcard-blocked. should not match *.wildcard-blocked. */
const auto notMatchingPolicy = dfe.getQueryPolicy(DNSName("wildcard-blocked."), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(notMatchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
/* a direct lookup would not match */
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findExactQNamePolicy(DNSName("sub.sub.wildcard-blocked."), zonePolicy) == false);
/* except if we look exactly for the wildcard */
BOOST_CHECK(zone->findExactQNamePolicy(blockedWildcardName, zonePolicy));
BOOST_CHECK(zonePolicy == matchingPolicy);
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_trigger, blockedWildcardName);
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_hit, blockedWildcardName.toStringNoDot());
}
{
/* blocked client IP */
const auto matchingPolicy = dfe.getClientPolicy(clientIP, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ClientIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findClientPolicy(clientIP, zonePolicy));
BOOST_CHECK(zonePolicy == matchingPolicy);
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_trigger, DNSName("31.128.2.0.192.rpz-client-ip"));
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_hit, clientIP.toString());
}
{
/* not blocked */
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.0.2.142"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findClientPolicy(ComboAddress("192.0.2.142"), zonePolicy) == false);
BOOST_CHECK(zone->findExactQNamePolicy(DNSName("totally.legit."), zonePolicy) == false);
}
{
/* blocked A */
DNSRecord dr;
dr.d_type = QType::A;
dr.setContent(DNSRecordContent::make(QType::A, QClass::IN, responseIP.toString()));
const auto matchingPolicy = dfe.getPostPolicy({dr}, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ResponseIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findResponsePolicy(responseIP, zonePolicy));
BOOST_CHECK(zonePolicy == matchingPolicy);
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_trigger, DNSName("31.254.2.0.192.rpz-ip"));
BOOST_CHECK_EQUAL(zonePolicy.d_hitdata->d_hit, responseIP.toString());
}
{
/* allowed A */
DNSRecord dr;
dr.d_type = QType::A;
dr.setContent(DNSRecordContent::make(QType::A, QClass::IN, "192.0.2.142"));
const auto matchingPolicy = dfe.getPostPolicy({dr}, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
DNSFilterEngine::Policy zonePolicy;
BOOST_CHECK(zone->findResponsePolicy(ComboAddress("192.0.2.142"), zonePolicy) == false);
}
BOOST_CHECK_EQUAL(zone->size(), 7U);
zone->rmClientTrigger(Netmask(clientIP, 31), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::ClientIP));
BOOST_CHECK_EQUAL(zone->size(), 6U);
zone->rmQNameTrigger(blockedName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::QName));
BOOST_CHECK_EQUAL(zone->size(), 5U);
zone->rmQNameTrigger(blockedWildcardName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::QName));
BOOST_CHECK_EQUAL(zone->size(), 4U);
zone->rmNSIPTrigger(Netmask(nsIP, 31), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::NSIP));
BOOST_CHECK_EQUAL(zone->size(), 3U);
zone->rmNSTrigger(nsName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::NSDName));
BOOST_CHECK_EQUAL(zone->size(), 2U);
zone->rmNSTrigger(nsWildcardName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::NSDName));
BOOST_CHECK_EQUAL(zone->size(), 1U);
zone->rmResponseTrigger(Netmask(responseIP, 31), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop, DNSFilterEngine::PolicyType::ResponseIP));
BOOST_CHECK_EQUAL(zone->size(), 0U);
/* DNSFilterEngine::clear() calls clear() on all zones, but keeps the zones */
dfe.clear();
BOOST_CHECK_EQUAL(dfe.size(), 1U);
BOOST_CHECK(dfe.getZone(zoneName) == zone);
BOOST_CHECK(dfe.getZone(zoneIdx) == zone);
}
BOOST_AUTO_TEST_CASE(test_filter_policies_wildcard_with_enc)
{
DNSFilterEngine dfe;
std::string zoneName("Unit test policy wc");
auto zone = std::make_shared<DNSFilterEngine::Zone>();
zone->setName(zoneName);
zone->setDomain(DNSName("powerdns.com."));
zone->setSerial(42);
zone->setRefresh(99);
zone->addQNameTrigger(DNSName("bcbsks.com.102.112.2o7.net."),
DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::NoAction,
DNSFilterEngine::PolicyType::QName));
zone->addQNameTrigger(DNSName("2o7.net."),
DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop,
DNSFilterEngine::PolicyType::QName));
zone->addQNameTrigger(DNSName("*.2o7.net."),
DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Drop,
DNSFilterEngine::PolicyType::QName));
dfe.addZone(zone);
ComboAddress address("192.0.2.142");
{
const DNSName tstName("bcbsks.com.102.112.2o7.net.");
auto matchingPolicy = dfe.getQueryPolicy(tstName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction);
}
{
const DNSName tstName("2o7.net.");
auto matchingPolicy = dfe.getQueryPolicy(tstName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
}
// Once fixed the BOOST_WARN should becomes BOOST_CHECK
const string m("Please fix issue #8231");
{
const DNSName tstName("112.2o7.net.");
auto matchingPolicy = dfe.getQueryPolicy(tstName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_WARN_MESSAGE(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None, m);
BOOST_WARN_MESSAGE(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction, m);
}
{
const DNSName tstName("102.112.2o7.net.");
auto matchingPolicy = dfe.getQueryPolicy(tstName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_WARN_MESSAGE(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None, m);
BOOST_WARN_MESSAGE(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction, m);
}
{
const DNSName tstName("com.112.2o7.net.");
auto matchingPolicy = dfe.getQueryPolicy(tstName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_WARN_MESSAGE(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None, m);
BOOST_WARN_MESSAGE(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction, m);
}
{
const DNSName tstName("wcmatch.2o7.net.");
auto matchingPolicy = dfe.getQueryPolicy(tstName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Drop);
}
}
BOOST_AUTO_TEST_CASE(test_filter_policies_local_data)
{
DNSFilterEngine dfe;
std::string zoneName("Unit test policy local data");
auto zone = std::make_shared<DNSFilterEngine::Zone>();
zone->setName(zoneName);
const DNSName bad1("bad1.example.com.");
const DNSName bad2("bad2.example.com.");
zone->addQNameTrigger(bad1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "garden.example.net.")}));
BOOST_CHECK_EQUAL(zone->size(), 1U);
zone->addQNameTrigger(bad2, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "192.0.2.1")}));
BOOST_CHECK_EQUAL(zone->size(), 2U);
zone->addQNameTrigger(bad2, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "192.0.2.2")}));
BOOST_CHECK_EQUAL(zone->size(), 2U);
zone->addQNameTrigger(bad2, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::MX, QClass::IN, "10 garden-mail.example.net.")}));
BOOST_CHECK_EQUAL(zone->size(), 2U);
dfe.addZone(zone);
{
/* exact type does not exist, but we have a CNAME */
const auto matchingPolicy = dfe.getQueryPolicy(bad1, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad1, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "garden.example.net.");
}
{
/* exact type exists */
const auto matchingPolicy = dfe.getQueryPolicy(bad2, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
{
auto records = matchingPolicy.getCustomRecords(bad2, QType::A);
BOOST_REQUIRE_EQUAL(records.size(), 2U);
{
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::A);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<ARecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getCA().toString(), "192.0.2.1");
}
{
const auto& record = records.at(1);
BOOST_CHECK(record.d_type == QType::A);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<ARecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getCA().toString(), "192.0.2.2");
}
}
{
auto records = matchingPolicy.getCustomRecords(bad2, QType::MX);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::MX);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<MXRecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->d_mxname.toString(), "garden-mail.example.net.");
}
{
/* the name exists but there is no CNAME nor matching type, so NODATA */
auto records = matchingPolicy.getCustomRecords(bad2, QType::AAAA);
BOOST_CHECK_EQUAL(records.size(), 0U);
}
}
/* remove only one entry, one of the A local records */
zone->rmQNameTrigger(bad2, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "192.0.2.1")}));
BOOST_CHECK_EQUAL(zone->size(), 2U);
{
/* exact type exists */
const auto matchingPolicy = dfe.getQueryPolicy(bad2, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
{
auto records = matchingPolicy.getCustomRecords(bad2, QType::A);
BOOST_REQUIRE_EQUAL(records.size(), 1U);
{
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::A);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<ARecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getCA().toString(), "192.0.2.2");
}
}
{
auto records = matchingPolicy.getCustomRecords(bad2, QType::MX);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::MX);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<MXRecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->d_mxname.toString(), "garden-mail.example.net.");
}
{
/* the name exists but there is no CNAME nor matching type, so NODATA */
auto records = matchingPolicy.getCustomRecords(bad2, QType::AAAA);
BOOST_CHECK_EQUAL(records.size(), 0U);
}
}
}
BOOST_AUTO_TEST_CASE(test_filter_policies_local_data_netmask)
{
DNSFilterEngine dfe;
std::string zoneName("Unit test policy local data using netmasks");
auto zone = std::make_shared<DNSFilterEngine::Zone>();
zone->setName(zoneName);
const DNSName name("foo.example.com");
const Netmask nm1("192.168.1.0/24");
zone->addClientTrigger(nm1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "1.2.3.4")}));
zone->addClientTrigger(nm1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "1.2.3.5")}));
zone->addClientTrigger(nm1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::AAAA, QClass::IN, "::1234")}));
BOOST_CHECK_EQUAL(zone->size(), 1U);
dfe.addZone(zone);
{ // A query should match two records
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.168.1.1"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ClientIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(DNSName(), QType::A);
BOOST_CHECK_EQUAL(records.size(), 2U);
const auto& record1 = records.at(0);
BOOST_CHECK(record1.d_type == QType::A);
BOOST_CHECK(record1.d_class == QClass::IN);
auto content1 = getRR<ARecordContent>(record1);
BOOST_CHECK(content1 != nullptr);
BOOST_CHECK_EQUAL(content1->getCA().toString(), "1.2.3.4");
const auto& record2 = records.at(1);
BOOST_CHECK(record2.d_type == QType::A);
BOOST_CHECK(record2.d_class == QClass::IN);
auto content2 = getRR<ARecordContent>(record2);
BOOST_CHECK(content2 != nullptr);
BOOST_CHECK_EQUAL(content2->getCA().toString(), "1.2.3.5");
}
{ // AAAA query should match 1 record
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.168.1.1"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ClientIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(DNSName(), QType::AAAA);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record1 = records.at(0);
BOOST_CHECK(record1.d_type == QType::AAAA);
BOOST_CHECK(record1.d_class == QClass::IN);
auto content1 = getRR<AAAARecordContent>(record1);
BOOST_CHECK(content1 != nullptr);
BOOST_CHECK_EQUAL(content1->getCA().toString(), "::1234");
}
// Try to zap 1 nonexisting record
zone->rmClientTrigger(nm1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "1.1.1.1")}));
// Zap a record using a wider netmask
zone->rmClientTrigger(Netmask("192.168.0.0/16"), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "1.2.3.4")}));
// Zap a record using a narrow netmask
zone->rmClientTrigger(Netmask("192.168.1.1/32"), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "1.2.3.4")}));
// Zap 1 existing record
zone->rmClientTrigger(nm1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "1.2.3.5")}));
{ // A query should match one record now
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.168.1.1"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ClientIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(DNSName(), QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record1 = records.at(0);
BOOST_CHECK(record1.d_type == QType::A);
BOOST_CHECK(record1.d_class == QClass::IN);
auto content1 = getRR<ARecordContent>(record1);
BOOST_CHECK(content1 != nullptr);
BOOST_CHECK_EQUAL(content1->getCA().toString(), "1.2.3.4");
}
{ // AAAA query should still match one record
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.168.1.1"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ClientIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(DNSName(), QType::AAAA);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record1 = records.at(0);
BOOST_CHECK(record1.d_type == QType::AAAA);
BOOST_CHECK(record1.d_class == QClass::IN);
auto content1 = getRR<AAAARecordContent>(record1);
BOOST_CHECK(content1 != nullptr);
BOOST_CHECK_EQUAL(content1->getCA().toString(), "::1234");
}
// Zap one more A record
zone->rmClientTrigger(nm1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "1.2.3.4")}));
// Zap now nonexisting record
zone->rmClientTrigger(nm1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::A, QClass::IN, "1.2.3.4")}));
{ // AAAA query should still match one record
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.168.1.1"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ClientIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(DNSName(), QType::AAAA);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record1 = records.at(0);
BOOST_CHECK(record1.d_type == QType::AAAA);
BOOST_CHECK(record1.d_class == QClass::IN);
auto content1 = getRR<AAAARecordContent>(record1);
BOOST_CHECK(content1 != nullptr);
BOOST_CHECK_EQUAL(content1->getCA().toString(), "::1234");
}
// Zap AAAA record
zone->rmClientTrigger(nm1, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::AAAA, QClass::IN, "::1234")}));
{ // there should be no match left
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.168.1.1"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction);
}
}
BOOST_AUTO_TEST_CASE(test_multiple_filter_policies)
{
DNSFilterEngine dfe;
auto zone1 = std::make_shared<DNSFilterEngine::Zone>();
zone1->setName("Unit test policy 0");
auto zone2 = std::make_shared<DNSFilterEngine::Zone>();
zone2->setName("Unit test policy 1");
const DNSName bad("bad.example.com.");
const DNSName badWildcard("*.bad-wildcard.example.com.");
const DNSName badUnderWildcard("sub.bad-wildcard.example.com.");
zone1->addQNameTrigger(bad, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "garden1a.example.net.")}));
zone2->addQNameTrigger(bad, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "garden2a.example.net.")}));
zone1->addQNameTrigger(badWildcard, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "garden1b.example.net.")}));
zone2->addQNameTrigger(badUnderWildcard, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "garden2b.example.net.")}));
dfe.addZone(zone1);
dfe.addZone(zone2);
{
/* zone 1 should match first */
const auto matchingPolicy = dfe.getQueryPolicy(bad, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "garden1a.example.net.");
}
{
/* zone 2 has an exact match for badUnderWildcard, but the wildcard from the first zone should match first */
const auto matchingPolicy = dfe.getQueryPolicy(badUnderWildcard, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(badUnderWildcard, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "garden1b.example.net.");
}
{
/* zone 1 should still match if zone 2 has been disabled */
const auto matchingPolicy = dfe.getQueryPolicy(bad, {{zone2->getName(), true}}, DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "garden1a.example.net.");
}
{
/* if zone 1 is disabled, zone 2 should match */
const auto matchingPolicy = dfe.getQueryPolicy(bad, {{zone1->getName(), true}}, DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "garden2a.example.net.");
}
{
/* if both zones are disabled, we should not match */
const auto matchingPolicy = dfe.getQueryPolicy(bad, {{zone1->getName(), true}, {zone2->getName(), true}}, DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
}
}
BOOST_AUTO_TEST_CASE(test_multiple_filter_policies_order)
{
DNSFilterEngine dfe;
auto zone1 = std::make_shared<DNSFilterEngine::Zone>();
zone1->setName("Unit test policy 0");
auto zone2 = std::make_shared<DNSFilterEngine::Zone>();
zone2->setName("Unit test policy 1");
const ComboAddress clientIP("192.0.2.128");
const DNSName bad("bad.example.com.");
const ComboAddress nsIP("192.0.2.1");
const DNSName nsName("ns.bad.wolf.");
const ComboAddress responseIP("192.0.2.254");
zone1->addClientTrigger(Netmask(clientIP, 32), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "client1a.example.net.")}));
zone1->addQNameTrigger(bad, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "garden1a.example.net.")}));
zone1->addNSIPTrigger(Netmask(nsIP, 32), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::NSIP, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "nsip1a.example.net.")}));
zone1->addNSTrigger(nsName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::NSDName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "nsname1a.example.net.")}));
zone1->addResponseTrigger(Netmask(responseIP, 32), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ResponseIP, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "response1a.example.net.")}));
zone2->addClientTrigger(Netmask(clientIP, 32), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ClientIP, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "client2a.example.net.")}));
zone2->addQNameTrigger(bad, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::QName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "garden2a.example.net.")}));
zone2->addNSIPTrigger(Netmask(nsIP, 32), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::NSIP, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "nsip2a.example.net.")}));
zone2->addNSTrigger(nsName, DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::NSDName, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "nsname2a.example.net.")}));
zone2->addResponseTrigger(Netmask(responseIP, 32), DNSFilterEngine::Policy(DNSFilterEngine::PolicyKind::Custom, DNSFilterEngine::PolicyType::ResponseIP, 0, nullptr, {DNSRecordContent::make(QType::CNAME, QClass::IN, "response2a.example.net.")}));
dfe.addZone(zone1);
dfe.addZone(zone2);
BOOST_CHECK_EQUAL(zone1->getPriority(), 0);
BOOST_CHECK_EQUAL(zone2->getPriority(), 1);
{
/* client IP should match before qname */
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.0.2.128"), std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ClientIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "client1a.example.net.");
}
{
/* client IP and qname should match, but zone 1 is disabled and zone2's priority is too high */
const auto matchingPolicy = dfe.getClientPolicy(ComboAddress("192.0.2.128"), {{zone1->getName(), true}}, 1);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction);
}
{
/* zone 1 should match first */
const auto matchingPolicy = dfe.getQueryPolicy(bad, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "garden1a.example.net.");
}
{
/* zone 1 should still match if we require a priority < 1 */
const auto matchingPolicy = dfe.getQueryPolicy(bad, std::unordered_map<std::string, bool>(), 1);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "garden1a.example.net.");
}
{
/* nothing should match if we require a priority < 0 */
const auto matchingPolicy = dfe.getQueryPolicy(bad, std::unordered_map<std::string, bool>(), 0);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction);
}
{
/* if we disable zone 1, zone 2 should match */
const auto matchingPolicy = dfe.getQueryPolicy(bad, {{zone1->getName(), true}}, DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::QName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "garden2a.example.net.");
}
{
/* if we disable zone 1, zone 2 should match, except if we require a priority < 1 */
const auto matchingPolicy = dfe.getQueryPolicy(bad, {{zone1->getName(), true}}, 1);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction);
}
{
/* blocked NS name */
auto matchingPolicy = dfe.getProcessingPolicy(nsName, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::NSDName);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "nsname1a.example.net.");
}
{
/* blocked NS name, except policy 1 is disabled and policy2's priority is too high */
auto matchingPolicy = dfe.getProcessingPolicy(nsName, {{zone1->getName(), true}}, 1);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction);
}
{
/* blocked NS IP */
const auto matchingPolicy = dfe.getProcessingPolicy(nsIP, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::NSIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "nsip1a.example.net.");
}
{
/* blocked NS ip, except policy 1 is disabled and policy2's priority is too high */
auto matchingPolicy = dfe.getProcessingPolicy(nsIP, {{zone1->getName(), true}}, 1);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction);
}
{
/* blocked A in the response */
DNSRecord dr;
dr.d_type = QType::A;
dr.setContent(DNSRecordContent::make(QType::A, QClass::IN, responseIP.toString()));
const auto matchingPolicy = dfe.getPostPolicy({dr}, std::unordered_map<std::string, bool>(), DNSFilterEngine::maximumPriority);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::ResponseIP);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::Custom);
auto records = matchingPolicy.getCustomRecords(bad, QType::A);
BOOST_CHECK_EQUAL(records.size(), 1U);
const auto& record = records.at(0);
BOOST_CHECK(record.d_type == QType::CNAME);
BOOST_CHECK(record.d_class == QClass::IN);
auto content = getRR<CNAMERecordContent>(record);
BOOST_CHECK(content != nullptr);
BOOST_CHECK_EQUAL(content->getTarget().toString(), "response1a.example.net.");
}
{
/* blocked A in the response, except 1 is disabled and 2's priority is too high */
DNSRecord dr;
dr.d_type = QType::A;
dr.setContent(DNSRecordContent::make(QType::A, QClass::IN, responseIP.toString()));
const auto matchingPolicy = dfe.getPostPolicy({dr}, {{zone1->getName(), true}}, 1);
BOOST_CHECK(matchingPolicy.d_type == DNSFilterEngine::PolicyType::None);
BOOST_CHECK(matchingPolicy.d_kind == DNSFilterEngine::PolicyKind::NoAction);
}
}
BOOST_AUTO_TEST_CASE(test_mask_to_rpz)
{
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("::2/127")).toString(), "127.2.zz.");
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("1::2/127")).toString(), "127.2.zz.1.");
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("2::/127")).toString(), "127.zz.2.");
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("1abc:2::/127")).toString(), "127.zz.2.1abc.");
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("1:2:3:4:5:6:7::/127")).toString(), "127.0.7.6.5.4.3.2.1.");
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("1:2:3:4:5:6::/127")).toString(), "127.zz.6.5.4.3.2.1.");
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("1:0:0:0:2:0:0:0/127")).toString(), "127.zz.2.0.0.0.1.");
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("1:0:0:2:0:0:0:0/127")).toString(), "127.zz.2.0.0.1.");
BOOST_CHECK_EQUAL(DNSFilterEngine::Zone::maskToRPZ(Netmask("1:0:0:0:0:2:0:0/127")).toString(), "127.0.0.2.zz.1.");
}
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