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#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_NO_MAIN
#include <boost/test/unit_test.hpp>
#include "dnsdist-kvs.hh"
#if defined(HAVE_LMDB) || defined(HAVE_CDB)
static const ComboAddress v4ToMask("203.0.113.255");
static const ComboAddress v6ToMask("2001:db8:ff:ff:ff:ff:ff:ff");
static void doKVSChecks(std::unique_ptr<KeyValueStore>& kvs, const ComboAddress& lc, const ComboAddress& rem, const DNSQuestion& dq, const DNSName& plaintextDomain)
{
/* source IP */
{
auto lookupKey = make_unique<KeyValueLookupKeySourceIP>(32, 128, false);
std::string value;
/* local address is not in the db, remote is */
BOOST_CHECK_EQUAL(kvs->getValue(std::string(reinterpret_cast<const char*>(&lc.sin4.sin_addr.s_addr), sizeof(lc.sin4.sin_addr.s_addr)), value), false);
BOOST_CHECK_EQUAL(kvs->keyExists(std::string(reinterpret_cast<const char*>(&lc.sin4.sin_addr.s_addr), sizeof(lc.sin4.sin_addr.s_addr))), false);
BOOST_CHECK(kvs->keyExists(std::string(reinterpret_cast<const char*>(&dq.remote->sin4.sin_addr.s_addr), sizeof(dq.remote->sin4.sin_addr.s_addr))));
auto keys = lookupKey->getKeys(dq);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the remote addr");
}
}
/* masked source IP */
{
auto lookupKey = make_unique<KeyValueLookupKeySourceIP>(25, 65, false);
auto keys = lookupKey->getKeys(v4ToMask);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
std::string value;
BOOST_CHECK_EQUAL(kvs->getValue(key, value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the masked v4 addr");
}
keys = lookupKey->getKeys(v6ToMask);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
std::string value;
BOOST_CHECK_EQUAL(kvs->getValue(key, value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the masked v6 addr");
}
}
/* source IP + port */
{
auto lookupKey = make_unique<KeyValueLookupKeySourceIP>(32, 128, true);
std::string value;
BOOST_CHECK(kvs->keyExists(std::string(reinterpret_cast<const char*>(&rem.sin4.sin_addr.s_addr), sizeof(rem.sin4.sin_addr.s_addr)) + std::string(reinterpret_cast<const char*>(&rem.sin4.sin_port), sizeof(rem.sin4.sin_port))));
auto keys = lookupKey->getKeys(dq);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the remote addr + port");
}
}
const DNSName subdomain = DNSName("sub") + *dq.qname;
const DNSName notPDNS("not-powerdns.com.");
/* qname match, in wire format */
{
std::string value;
auto lookupKey = make_unique<KeyValueLookupKeyQName>(true);
auto keys = lookupKey->getKeys(dq);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the qname");
}
/* other domain, should not match */
keys = lookupKey->getKeys(notPDNS);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
/* subdomain, should not match */
keys = lookupKey->getKeys(subdomain);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
/* this domain was inserted in plaintext, the wire format lookup should not match */
keys = lookupKey->getKeys(plaintextDomain);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
}
/* qname match, in plain text */
{
std::string value;
auto lookupKey = make_unique<KeyValueLookupKeyQName>(false);
auto keys = lookupKey->getKeys(dq);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
/* other domain, should not match */
keys = lookupKey->getKeys(notPDNS);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
/* subdomain, should not match */
keys = lookupKey->getKeys(subdomain);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
/* this domain was inserted in plaintext, so it should match */
keys = lookupKey->getKeys(plaintextDomain);
BOOST_CHECK_EQUAL(keys.size(), 1U);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the plaintext domain");
}
}
/* suffix match in wire format */
{
auto lookupKey = make_unique<KeyValueLookupKeySuffix>(0, true);
auto keys = lookupKey->getKeys(dq);
BOOST_CHECK_EQUAL(keys.size(), dq.qname->countLabels());
BOOST_REQUIRE(!keys.empty());
BOOST_CHECK_EQUAL(keys.at(0), dq.qname->toDNSStringLC());
std::string value;
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(0), value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the qname");
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(1), value), false);
/* other domain, should not match */
keys = lookupKey->getKeys(notPDNS);
BOOST_CHECK_EQUAL(keys.size(), notPDNS.countLabels());
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
/* subdomain, the second key should match */
keys = lookupKey->getKeys(subdomain);
BOOST_REQUIRE_EQUAL(keys.size(), subdomain.countLabels());
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(0), value), false);
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(1), value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the qname");
/* this domain was inserted in plaintext, the wire format lookup should not match */
keys = lookupKey->getKeys(plaintextDomain);
BOOST_CHECK_EQUAL(keys.size(), plaintextDomain.countLabels());
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
}
/* suffix match in plain text */
{
auto lookupKey = make_unique<KeyValueLookupKeySuffix>(0, false);
auto keys = lookupKey->getKeys(dq);
BOOST_CHECK_EQUAL(keys.size(), dq.qname->countLabels());
BOOST_REQUIRE(!keys.empty());
BOOST_CHECK_EQUAL(keys.at(0), dq.qname->toStringRootDot());
std::string value;
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(0), value), false);
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(1), value), false);
/* other domain, should not match */
keys = lookupKey->getKeys(notPDNS);
BOOST_CHECK_EQUAL(keys.size(), notPDNS.countLabels());
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
/* subdomain, should not match in plain text */
keys = lookupKey->getKeys(subdomain);
BOOST_REQUIRE_EQUAL(keys.size(), subdomain.countLabels());
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(kvs->getValue(key, value), false);
}
/* this domain was inserted in plaintext, it should match */
keys = lookupKey->getKeys(plaintextDomain);
BOOST_REQUIRE_EQUAL(keys.size(), plaintextDomain.countLabels());
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(0), value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the plaintext domain");
}
/* suffix match in wire format, we require at least 2 labels */
{
auto lookupKey = make_unique<KeyValueLookupKeySuffix>(2, true);
auto keys = lookupKey->getKeys(dq);
BOOST_CHECK_EQUAL(keys.size(), 1U);
BOOST_REQUIRE(!keys.empty());
BOOST_CHECK_EQUAL(keys.at(0), dq.qname->toDNSStringLC());
std::string value;
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(0), value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the qname");
value.clear();
/* subdomain */
keys = lookupKey->getKeys(subdomain);
BOOST_REQUIRE_EQUAL(keys.size(), 2U);
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(0), value), false);
BOOST_CHECK_EQUAL(kvs->getValue(keys.at(1), value), true);
BOOST_CHECK_EQUAL(value, "this is the value for the qname");
}
}
#if defined(HAVE_LMDB)
static void doKVSRangeChecks(std::unique_ptr<KeyValueStore>& kvs)
{
{
/* do a range-based lookup */
const ComboAddress first("2001:0db8:0000:0000:0000:0000:0000:0000");
const ComboAddress inside("2001:0db8:7fff:ffff:ffff:ffff:ffff:ffff");
const ComboAddress last("2001:0db8:ffff:ffff:ffff:ffff:ffff:ffff");
const ComboAddress notInRange1("2001:0db7:ffff:ffff:ffff:ffff:ffff:ffff");
const ComboAddress notInRange2("2001:0db9:0000:0000:0000:0000:0000:0000");
const std::string expectedValue = std::string(reinterpret_cast<const char*>(&first.sin6.sin6_addr.s6_addr), sizeof(first.sin6.sin6_addr.s6_addr)) + std::string("any other data");
auto check = [expectedValue, &kvs](const ComboAddress& key, bool shouldBeFound) {
// cerr<<"Checking "<<key.toString()<<", should "<<(shouldBeFound ? "" : "NOT ")<<"be found"<<endl;
auto lookupKey = std::string(reinterpret_cast<const char*>(&key.sin6.sin6_addr.s6_addr), sizeof(key.sin6.sin6_addr.s6_addr));
std::string value;
BOOST_CHECK_EQUAL(kvs->getRangeValue(lookupKey, value), shouldBeFound);
if (shouldBeFound) {
BOOST_CHECK_EQUAL(value, expectedValue);
}
};
check(first, true);
check(last, true);
check(inside, true);
check(notInRange1, false);
check(notInRange2, false);
}
{
const ComboAddress first("192.0.2.1:0");
const ComboAddress inside("192.0.2.1:42");
const ComboAddress last("192.0.2.1:16383");
const ComboAddress notInRange1("192.0.2.0:65535");
const ComboAddress notInRange2("192.0.2.1:16384");
const std::string expectedValue = std::string(reinterpret_cast<const char*>(&first.sin4.sin_addr.s_addr), sizeof(first.sin4.sin_addr.s_addr)) + std::string(reinterpret_cast<const char*>(&first.sin4.sin_port), sizeof(first.sin4.sin_port)) + std::string("any other data");
auto check = [expectedValue, &kvs](const ComboAddress& key, bool shouldBeFound) {
// cerr<<"Checking "<<key.toStringWithPort()<<", should "<<(shouldBeFound ? "" : "NOT ")<<"be found"<<endl;
auto lookupKey = std::string(reinterpret_cast<const char*>(&key.sin4.sin_addr.s_addr), sizeof(key.sin4.sin_addr.s_addr)) + std::string(reinterpret_cast<const char*>(&key.sin4.sin_port), sizeof(key.sin4.sin_port));
std::string value;
BOOST_CHECK_EQUAL(kvs->getRangeValue(lookupKey, value), shouldBeFound);
if (shouldBeFound) {
BOOST_CHECK_EQUAL(value, expectedValue);
}
};
check(first, true);
check(last, true);
check(inside, true);
check(notInRange1, false);
check(notInRange2, false);
}
}
#endif // defined(HAVE_LMDB)
#endif // defined(HAVE_LMDB) || defined(HAVE_CDB)
BOOST_AUTO_TEST_SUITE(dnsdistkvs_cc)
#ifdef HAVE_LMDB
BOOST_AUTO_TEST_CASE(test_LMDB) {
DNSName qname("powerdns.com.");
DNSName plaintextDomain("powerdns.org.");
uint16_t qtype = QType::A;
uint16_t qclass = QClass::IN;
ComboAddress lc("192.0.2.1:53");
ComboAddress rem("192.0.2.128:42");
PacketBuffer packet(sizeof(dnsheader));
auto proto = dnsdist::Protocol::DoUDP;
struct timespec queryRealTime;
gettime(&queryRealTime, true);
struct timespec expiredTime;
/* the internal QPS limiter does not use the real time */
gettime(&expiredTime);
DNSQuestion dq(&qname, qtype, qclass, &lc, &rem, packet, proto, &queryRealTime);
ComboAddress v4Masked(v4ToMask);
ComboAddress v6Masked(v6ToMask);
v4Masked.truncate(25);
v6Masked.truncate(65);
const ComboAddress firstRangeAddr6("2001:0db8:0000:0000:0000:0000:0000:0000");
const ComboAddress lastRangeAddr6("2001:0db8:ffff:ffff:ffff:ffff:ffff:ffff");
const ComboAddress firstRangeAddr4("192.0.2.1:0");
const ComboAddress lastRangeAddr4("192.0.2.1:16383");
const string dbPath("/tmp/test_lmdb.XXXXXX");
{
MDBEnv env(dbPath.c_str(), MDB_NOSUBDIR, 0600);
auto transaction = env.getRWTransaction();
auto dbi = transaction->openDB("db-name", MDB_CREATE);
transaction->put(dbi, MDBInVal(std::string(reinterpret_cast<const char*>(&rem.sin4.sin_addr.s_addr), sizeof(rem.sin4.sin_addr.s_addr))), MDBInVal("this is the value for the remote addr"));
transaction->put(dbi, MDBInVal(std::string(reinterpret_cast<const char*>(&rem.sin4.sin_addr.s_addr), sizeof(rem.sin4.sin_addr.s_addr)) + std::string(reinterpret_cast<const char*>(&rem.sin4.sin_port), sizeof(rem.sin4.sin_port))), MDBInVal("this is the value for the remote addr + port"));
transaction->put(dbi, MDBInVal(std::string(reinterpret_cast<const char*>(&v4Masked.sin4.sin_addr.s_addr), sizeof(v4Masked.sin4.sin_addr.s_addr))), MDBInVal("this is the value for the masked v4 addr"));
transaction->put(dbi, MDBInVal(std::string(reinterpret_cast<const char*>(&v6Masked.sin6.sin6_addr.s6_addr), sizeof(v6Masked.sin6.sin6_addr.s6_addr))), MDBInVal("this is the value for the masked v6 addr"));
transaction->put(dbi, MDBInVal(qname.toDNSStringLC()), MDBInVal("this is the value for the qname"));
transaction->put(dbi, MDBInVal(plaintextDomain.toStringRootDot()), MDBInVal("this is the value for the plaintext domain"));
transaction->commit();
}
{
MDBEnv env(dbPath.c_str(), MDB_NOSUBDIR, 0600);
auto transaction = env.getRWTransaction();
auto dbi = transaction->openDB("range-db-name", MDB_CREATE);
/* range-based lookups */
std::string value = std::string(reinterpret_cast<const char*>(&firstRangeAddr6.sin6.sin6_addr.s6_addr), sizeof(firstRangeAddr6.sin6.sin6_addr.s6_addr)) + std::string("any other data");
transaction->put(dbi, MDBInVal(std::string(reinterpret_cast<const char*>(&lastRangeAddr6.sin6.sin6_addr.s6_addr), sizeof(lastRangeAddr6.sin6.sin6_addr.s6_addr))), MDBInVal(value));
value = std::string(reinterpret_cast<const char*>(&firstRangeAddr4.sin4.sin_addr.s_addr), sizeof(firstRangeAddr4.sin4.sin_addr.s_addr)) + std::string(reinterpret_cast<const char*>(&firstRangeAddr4.sin4.sin_port), sizeof(firstRangeAddr4.sin4.sin_port)) + std::string("any other data");
transaction->put(dbi, MDBInVal(std::string(reinterpret_cast<const char*>(&lastRangeAddr4.sin4.sin_addr.s_addr), sizeof(lastRangeAddr4.sin4.sin_addr.s_addr)) + std::string(reinterpret_cast<const char*>(&lastRangeAddr4.sin4.sin_port), sizeof(lastRangeAddr4.sin4.sin_port))), MDBInVal(value));
transaction->commit();
}
std::unique_ptr<KeyValueStore> lmdb = std::make_unique<LMDBKVStore>(dbPath, "db-name");
doKVSChecks(lmdb, lc, rem, dq, plaintextDomain);
lmdb.reset();
lmdb = std::make_unique<LMDBKVStore>(dbPath, "range-db-name");
doKVSRangeChecks(lmdb);
/*
std::string value;
DTime dt;
dt.set();
for (size_t idx = 0; idx < 10000000; idx++) {
auto keys = lookupKey->getKeys(dq);
for (const auto& key : keys) {
value.clear();
BOOST_CHECK_EQUAL(lmdb->getValue(key, value), true);
BOOST_CHECK_EQUAL(value, "this is the value of the tag");
}
}
cerr<<dt.udiff()/1000/1000<<endl;
*/
}
#endif /* HAVE_LMDB */
#ifdef HAVE_CDB
BOOST_AUTO_TEST_CASE(test_CDB) {
DNSName qname("powerdns.com.");
DNSName plaintextDomain("powerdns.org.");
uint16_t qtype = QType::A;
uint16_t qclass = QClass::IN;
ComboAddress lc("192.0.2.1:53");
ComboAddress rem("192.0.2.128:42");
PacketBuffer packet(sizeof(dnsheader));
auto proto = dnsdist::Protocol::DoUDP;
struct timespec queryRealTime;
gettime(&queryRealTime, true);
struct timespec expiredTime;
/* the internal QPS limiter does not use the real time */
gettime(&expiredTime);
DNSQuestion dq(&qname, qtype, qclass, &lc, &rem, packet, proto, &queryRealTime);
ComboAddress v4Masked(v4ToMask);
ComboAddress v6Masked(v6ToMask);
v4Masked.truncate(25);
v6Masked.truncate(65);
char db[] = "/tmp/test_cdb.XXXXXX";
{
int fd = mkstemp(db);
BOOST_REQUIRE(fd >= 0);
CDBWriter writer(fd);
BOOST_REQUIRE(writer.addEntry(std::string(reinterpret_cast<const char*>(&rem.sin4.sin_addr.s_addr), sizeof(rem.sin4.sin_addr.s_addr)), "this is the value for the remote addr"));
BOOST_REQUIRE(writer.addEntry(std::string(reinterpret_cast<const char*>(&rem.sin4.sin_addr.s_addr), sizeof(rem.sin4.sin_addr.s_addr)) + std::string(reinterpret_cast<const char*>(&rem.sin4.sin_port), sizeof(rem.sin4.sin_port)), "this is the value for the remote addr + port"));
BOOST_REQUIRE(writer.addEntry(std::string(reinterpret_cast<const char*>(&v4Masked.sin4.sin_addr.s_addr), sizeof(v4Masked.sin4.sin_addr.s_addr)), "this is the value for the masked v4 addr"));
BOOST_REQUIRE(writer.addEntry(std::string(reinterpret_cast<const char*>(&v6Masked.sin6.sin6_addr.s6_addr), sizeof(v6Masked.sin6.sin6_addr.s6_addr)), "this is the value for the masked v6 addr"));
BOOST_REQUIRE(writer.addEntry(qname.toDNSStringLC(), "this is the value for the qname"));
BOOST_REQUIRE(writer.addEntry(plaintextDomain.toStringRootDot(), "this is the value for the plaintext domain"));
writer.close();
}
std::unique_ptr<KeyValueStore> cdb = std::make_unique<CDBKVStore>(db, 0);
doKVSChecks(cdb, lc, rem, dq, plaintextDomain);
/*
std::string value;
DTime dt;
dt.set();
auto lookupKey = make_unique<KeyValueLookupKeySourceIP>();
for (size_t idx = 0; idx < 100000000; idx++) {
auto keys = lookupKey->getKeys(dq);
for (const auto& key : keys) {
if (!cdb->getValue(key, value)) {
cerr<<"key not found"<<endl;
break;
}
if (value != "this is the value for the remote addr") {
cerr<<"invalid value found"<<endl;
break;
}
}
}
cerr<<dt.udiff()/1000/1000<<endl;
*/
}
#endif /* HAVE_CDB */
BOOST_AUTO_TEST_SUITE_END()
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