auth_srv_unittest.cc 28.6 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14
// Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.

15
#include <config.h>
16 17 18 19 20 21 22 23 24 25 26 27 28

#include <vector>

#include <gtest/gtest.h>

#include <dns/message.h>
#include <dns/messagerenderer.h>
#include <dns/name.h>
#include <dns/rrclass.h>
#include <dns/rrtype.h>
#include <dns/rrttl.h>
#include <dns/rdataclass.h>

29 30
#include <server_common/portconfig.h>

JINMEI Tatuya's avatar
JINMEI Tatuya committed
31
#include <datasrc/memory_datasrc.h>
32
#include <auth/auth_srv.h>
33
#include <auth/common.h>
34
#include <auth/statistics.h>
35

36
#include <dns/tests/unittest_util.h>
JINMEI Tatuya's avatar
JINMEI Tatuya committed
37
#include <testutils/dnsmessage_test.h>
38
#include <testutils/srv_test.h>
39

JINMEI Tatuya's avatar
JINMEI Tatuya committed
40
using namespace std;
41
using namespace isc::cc;
42
using namespace isc::dns;
43
using namespace isc::dns::rdata;
44
using namespace isc::data;
45
using namespace isc::xfr;
46
using namespace asiolink;
47
using namespace isc::testutils;
48
using namespace isc::server_common::portconfig;
Evan Hunt's avatar
Evan Hunt committed
49
using isc::UnitTestUtil;
50 51

namespace {
52
const char* const CONFIG_TESTDB =
53
    "{\"database_file\": \"" TEST_DATA_DIR "/example.sqlite3\"}";
54 55
// The following file must be non existent and must be non"creatable" (see
// the sqlite3 test).
56
const char* const BADCONFIG_TESTDB =
57
    "{ \"database_file\": \"" TEST_DATA_DIR "/nodir/notexist\"}";
58

59
class AuthSrvTest : public SrvTestBase {
60
protected:
61 62 63 64 65 66
    AuthSrvTest() :
        dnss_(ios_, NULL, NULL, NULL),
        server(true, xfrout),
        rrclass(RRClass::IN())
    {
        server.setDNSService(dnss_);
67
        server.setXfrinSession(&notify_session);
68
        server.setStatisticsSession(&statistics_session);
69
    }
70 71 72 73
    virtual void processMessage() {
        server.processMessage(*io_message, parse_message, response_obuffer,
                              &dnsserv);
    }
74 75
    IOService ios_;
    DNSService dnss_;
76
    MockSession statistics_session;
77
    MockXfroutClient xfrout;
78
    AuthSrv server;
JINMEI Tatuya's avatar
JINMEI Tatuya committed
79
    const RRClass rrclass;
80
    vector<uint8_t> response_data;
81 82
};

83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
// A helper function that builds a response to version.bind/TXT/CH that
// should be identical to the response from our builtin (static) data source
// by default.  The resulting wire-format data will be stored in 'data'.
void
createBuiltinVersionResponse(const qid_t qid, vector<uint8_t>& data) {
    const Name version_name("version.bind");
    Message message(Message::RENDER);

    UnitTestUtil::createRequestMessage(message, Opcode::QUERY(),
                                       qid, version_name,
                                       RRClass::CH(), RRType::TXT());
    message.setHeaderFlag(Message::HEADERFLAG_QR);
    message.setHeaderFlag(Message::HEADERFLAG_AA);
    RRsetPtr rrset_version = RRsetPtr(new RRset(version_name, RRClass::CH(),
                                                RRType::TXT(), RRTTL(0)));
    rrset_version->addRdata(generic::TXT(PACKAGE_STRING));
    message.addRRset(Message::SECTION_ANSWER, rrset_version);

    RRsetPtr rrset_version_ns = RRsetPtr(new RRset(version_name, RRClass::CH(),
                                                   RRType::NS(), RRTTL(0)));
    rrset_version_ns->addRdata(generic::NS(version_name));
    message.addRRset(Message::SECTION_AUTHORITY, rrset_version_ns);

    OutputBuffer obuffer(0);
    MessageRenderer renderer(obuffer);
    message.toWire(renderer);

    data.clear();
    data.assign(static_cast<const uint8_t*>(renderer.getData()),
                static_cast<const uint8_t*>(renderer.getData()) +
                renderer.getLength());
}

// In the following tests we confirm the response data is rendered in
// wire format in the expected way.

// The most primitive check: checking the result of the processMessage()
// method
TEST_F(AuthSrvTest, builtInQuery) {
    UnitTestUtil::createRequestMessage(request_message, Opcode::QUERY(),
                                       default_qid, Name("version.bind"),
                                       RRClass::CH(), RRType::TXT());
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer,
                          &dnsserv);
    createBuiltinVersionResponse(default_qid, response_data);
    EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
                        response_obuffer->getData(),
                        response_obuffer->getLength(),
                        &response_data[0], response_data.size());
}

// Same test emulating the UDPServer class behavior (defined in libasiolink).
// This is not a good test in that it assumes internal implementation details
// of UDPServer, but we've encountered a regression due to the introduction
// of that class, so we add a test for that case to prevent such a regression
// in future.
// Besides, the generalization of UDPServer is probably too much for the
// authoritative only server in terms of performance, and it's quite likely
// we need to drop it for the authoritative server implementation.
// At that point we can drop this test, too.
TEST_F(AuthSrvTest, builtInQueryViaDNSServer) {
    UnitTestUtil::createRequestMessage(request_message, Opcode::QUERY(),
                                       default_qid, Name("version.bind"),
                                       RRClass::CH(), RRType::TXT());
    createRequestPacket(request_message, IPPROTO_UDP);

    (*server.getDNSLookupProvider())(*io_message, parse_message,
151
                                     response_message,
152 153
                                     response_obuffer, &dnsserv);
    (*server.getDNSAnswerProvider())(*io_message, parse_message,
154
                                     response_message, response_obuffer);
155 156 157 158 159 160 161 162 163 164 165 166

    createBuiltinVersionResponse(default_qid, response_data);
    EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
                        response_obuffer->getData(),
                        response_obuffer->getLength(),
                        &response_data[0], response_data.size());
}

// Same type of test as builtInQueryViaDNSServer but for an error response.
TEST_F(AuthSrvTest, iqueryViaDNSServer) {
    createDataFromFile("iquery_fromWire.wire");
    (*server.getDNSLookupProvider())(*io_message, parse_message,
167
                                     response_message,
168 169
                                     response_obuffer, &dnsserv);
    (*server.getDNSAnswerProvider())(*io_message, parse_message,
170
                                     response_message, response_obuffer);
171 172 173 174 175 176 177 178 179

    UnitTestUtil::readWireData("iquery_response_fromWire.wire",
                               response_data);
    EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
                        response_obuffer->getData(),
                        response_obuffer->getLength(),
                        &response_data[0], response_data.size());
}

180 181
// Unsupported requests.  Should result in NOTIMP.
TEST_F(AuthSrvTest, unsupportedRequest) {
182
    unsupportedRequest();
183
}
184

185 186
// Simple API check
TEST_F(AuthSrvTest, verbose) {
187 188 189 190 191
    EXPECT_FALSE(server.getVerbose());
    server.setVerbose(true);
    EXPECT_TRUE(server.getVerbose());
    server.setVerbose(false);
    EXPECT_FALSE(server.getVerbose());
192 193
}

194 195
// Multiple questions.  Should result in FORMERR.
TEST_F(AuthSrvTest, multiQuestion) {
196
    multiQuestion();
197 198
}

199 200 201
// Incoming data doesn't even contain the complete header.  Must be silently
// dropped.
TEST_F(AuthSrvTest, shortMessage) {
202
    shortMessage();
203 204 205 206 207
}

// Response messages.  Must be silently dropped, whether it's a valid response
// or malformed or could otherwise cause a protocol error.
TEST_F(AuthSrvTest, response) {
208
    response();
209 210 211 212
}

// Query with a broken question
TEST_F(AuthSrvTest, shortQuestion) {
213
    shortQuestion();
214
}
215

216 217
// Query with a broken answer section
TEST_F(AuthSrvTest, shortAnswer) {
218
    shortAnswer();
219 220
}

221 222
// Query with unsupported version of EDNS.
TEST_F(AuthSrvTest, ednsBadVers) {
223
    ednsBadVers();
224 225
}

JINMEI Tatuya's avatar
JINMEI Tatuya committed
226
TEST_F(AuthSrvTest, AXFROverUDP) {
227
    axfrOverUDP();
JINMEI Tatuya's avatar
JINMEI Tatuya committed
228 229
}

230 231
TEST_F(AuthSrvTest, AXFRSuccess) {
    EXPECT_FALSE(xfrout.isConnected());
Evan Hunt's avatar
Evan Hunt committed
232 233 234
    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
                         Name("example.com"), RRClass::IN(), RRType::AXFR());
    createRequestPacket(request_message, IPPROTO_TCP);
235 236
    // On success, the AXFR query has been passed to a separate process,
    // so we shouldn't have to respond.
Evan Hunt's avatar
Evan Hunt committed
237 238
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_FALSE(dnsserv.hasAnswer());
239
    EXPECT_TRUE(xfrout.isConnected());
240 241 242 243 244
}

TEST_F(AuthSrvTest, AXFRConnectFail) {
    EXPECT_FALSE(xfrout.isConnected()); // check prerequisite
    xfrout.disableConnect();
Evan Hunt's avatar
Evan Hunt committed
245 246 247 248 249
    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
                         Name("example.com"), RRClass::IN(), RRType::AXFR());
    createRequestPacket(request_message, IPPROTO_TCP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
250
    headerCheck(*parse_message, default_qid, Rcode::SERVFAIL(),
251 252 253 254 255 256 257
                opcode.getCode(), QR_FLAG, 1, 0, 0, 0);
    EXPECT_FALSE(xfrout.isConnected());
}

TEST_F(AuthSrvTest, AXFRSendFail) {
    // first send a valid query, making the connection with the xfr process
    // open.
Evan Hunt's avatar
Evan Hunt committed
258 259 260 261
    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
                         Name("example.com"), RRClass::IN(), RRType::AXFR());
    createRequestPacket(request_message, IPPROTO_TCP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
262
    EXPECT_TRUE(xfrout.isConnected());
263 264

    xfrout.disableSend();
265 266
    parse_message->clear(Message::PARSE);
    response_obuffer->clear();
Evan Hunt's avatar
Evan Hunt committed
267 268 269 270 271
    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
                         Name("example.com"), RRClass::IN(), RRType::AXFR());
    createRequestPacket(request_message, IPPROTO_TCP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
272
    headerCheck(*parse_message, default_qid, Rcode::SERVFAIL(),
273 274 275 276 277 278 279 280 281 282 283
                opcode.getCode(), QR_FLAG, 1, 0, 0, 0);

    // The connection should have been closed due to the send failure.
    EXPECT_FALSE(xfrout.isConnected());
}

TEST_F(AuthSrvTest, AXFRDisconnectFail) {
    // In our usage disconnect() shouldn't fail.  So we'll see the exception
    // should it be thrown.
    xfrout.disableSend();
    xfrout.disableDisconnect();
Evan Hunt's avatar
Evan Hunt committed
284 285 286
    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
                         Name("example.com"), RRClass::IN(), RRType::AXFR());
    createRequestPacket(request_message, IPPROTO_TCP);
287
    EXPECT_THROW(server.processMessage(*io_message, parse_message,
Evan Hunt's avatar
Evan Hunt committed
288
                                       response_obuffer, &dnsserv),
289 290 291 292 293 294 295
                 XfroutError);
    EXPECT_TRUE(xfrout.isConnected());
    // XXX: we need to re-enable disconnect.  otherwise an exception would be
    // thrown via the destructor of the server.
    xfrout.enableDisconnect();
}

296
TEST_F(AuthSrvTest, notify) {
Evan Hunt's avatar
Evan Hunt committed
297 298
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
299
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
300 301 302
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
303 304 305

    // An internal command message should have been created and sent to an
    // external module.  Check them.
Evan Hunt's avatar
Evan Hunt committed
306
    EXPECT_EQ("Zonemgr", notify_session.getMessageDest());
307
    EXPECT_EQ("notify",
Evan Hunt's avatar
Evan Hunt committed
308
              notify_session.getSentMessage()->get("command")->get(0)->stringValue());
309
    ConstElementPtr notify_args =
Evan Hunt's avatar
Evan Hunt committed
310
        notify_session.getSentMessage()->get("command")->get(1);
311 312 313
    EXPECT_EQ("example.com.", notify_args->get("zone_name")->stringValue());
    EXPECT_EQ(DEFAULT_REMOTE_ADDRESS,
              notify_args->get("master")->stringValue());
314
    EXPECT_EQ("IN", notify_args->get("zone_class")->stringValue());
315 316

    // On success, the server should return a response to the notify.
317
    headerCheck(*parse_message, default_qid, Rcode::NOERROR(),
318 319
                Opcode::NOTIFY().getCode(), QR_FLAG | AA_FLAG, 1, 0, 0, 0);

320
    // The question must be identical to that of the received notify
321
    ConstQuestionPtr question = *parse_message->beginQuestion();
322 323 324 325 326
    EXPECT_EQ(Name("example.com"), question->getName());
    EXPECT_EQ(RRClass::IN(), question->getClass());
    EXPECT_EQ(RRType::SOA(), question->getType());
}

327 328
TEST_F(AuthSrvTest, notifyForCHClass) {
    // Same as the previous test, but for the CH RRClass.
Evan Hunt's avatar
Evan Hunt committed
329 330
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::CH(), RRType::SOA());
331
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
332 333 334
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
335 336 337

    // Other conditions should be the same, so simply confirm the RR class is
    // set correctly.
338
    ConstElementPtr notify_args =
Evan Hunt's avatar
Evan Hunt committed
339
        notify_session.getSentMessage()->get("command")->get(1);
340
    EXPECT_EQ("CH", notify_args->get("zone_class")->stringValue());
341 342
}

343 344 345
TEST_F(AuthSrvTest, notifyEmptyQuestion) {
    request_message.clear(Message::RENDER);
    request_message.setOpcode(Opcode::NOTIFY());
346
    request_message.setRcode(Rcode::NOERROR());
347
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
348 349
    request_message.setQid(default_qid);
    request_message.toWire(request_renderer);
Evan Hunt's avatar
Evan Hunt committed
350 351 352
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
353
    headerCheck(*parse_message, default_qid, Rcode::FORMERR(),
354 355 356 357
                Opcode::NOTIFY().getCode(), QR_FLAG, 0, 0, 0, 0);
}

TEST_F(AuthSrvTest, notifyMultiQuestions) {
Evan Hunt's avatar
Evan Hunt committed
358 359
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
360 361 362
    // add one more SOA question
    request_message.addQuestion(Question(Name("example.com"), RRClass::IN(),
                                         RRType::SOA()));
363
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
364 365 366
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
367
    headerCheck(*parse_message, default_qid, Rcode::FORMERR(),
368 369 370 371
                Opcode::NOTIFY().getCode(), QR_FLAG, 2, 0, 0, 0);
}

TEST_F(AuthSrvTest, notifyNonSOAQuestion) {
Evan Hunt's avatar
Evan Hunt committed
372 373
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::NS());
374
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
375 376 377
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
378
    headerCheck(*parse_message, default_qid, Rcode::FORMERR(),
379 380 381 382 383
                Opcode::NOTIFY().getCode(), QR_FLAG, 1, 0, 0, 0);
}

TEST_F(AuthSrvTest, notifyWithoutAA) {
    // implicitly leave the AA bit off.  our implementation will accept it.
Evan Hunt's avatar
Evan Hunt committed
384 385 386 387 388
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
389
    headerCheck(*parse_message, default_qid, Rcode::NOERROR(),
390 391 392 393
                Opcode::NOTIFY().getCode(), QR_FLAG | AA_FLAG, 1, 0, 0, 0);
}

TEST_F(AuthSrvTest, notifyWithErrorRcode) {
Evan Hunt's avatar
Evan Hunt committed
394 395
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
396
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
397
    request_message.setRcode(Rcode::SERVFAIL());
Evan Hunt's avatar
Evan Hunt committed
398 399 400
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
401
    headerCheck(*parse_message, default_qid, Rcode::NOERROR(),
402
                Opcode::NOTIFY().getCode(), QR_FLAG | AA_FLAG, 1, 0, 0, 0);
Han Feng's avatar
Han Feng committed
403 404
}

405
TEST_F(AuthSrvTest, notifyWithoutSession) {
406
    server.setXfrinSession(NULL);
407

Evan Hunt's avatar
Evan Hunt committed
408 409
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
410
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
411
    createRequestPacket(request_message, IPPROTO_UDP);
412 413 414

    // we simply ignore the notify and let it be resent if an internal error
    // happens.
Evan Hunt's avatar
Evan Hunt committed
415 416
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_FALSE(dnsserv.hasAnswer());
417 418 419 420 421
}

TEST_F(AuthSrvTest, notifySendFail) {
    notify_session.disableSend();

Evan Hunt's avatar
Evan Hunt committed
422 423
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
424
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
425
    createRequestPacket(request_message, IPPROTO_UDP);
426

Evan Hunt's avatar
Evan Hunt committed
427 428
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_FALSE(dnsserv.hasAnswer());
429 430 431 432 433
}

TEST_F(AuthSrvTest, notifyReceiveFail) {
    notify_session.disableReceive();

Evan Hunt's avatar
Evan Hunt committed
434 435
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
436
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
437 438 439
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_FALSE(dnsserv.hasAnswer());
440 441 442
}

TEST_F(AuthSrvTest, notifyWithBogusSessionMessage) {
443
    notify_session.setMessage(Element::fromJSON("{\"foo\": 1}"));
444

Evan Hunt's avatar
Evan Hunt committed
445 446
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
447
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
448 449 450
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_FALSE(dnsserv.hasAnswer());
451 452 453 454
}

TEST_F(AuthSrvTest, notifyWithSessionMessageError) {
    notify_session.setMessage(
455
        Element::fromJSON("{\"result\": [1, \"FAIL\"]}"));
456

Evan Hunt's avatar
Evan Hunt committed
457 458
    UnitTestUtil::createRequestMessage(request_message, Opcode::NOTIFY(), default_qid,
                         Name("example.com"), RRClass::IN(), RRType::SOA());
459
    request_message.setHeaderFlag(Message::HEADERFLAG_AA);
Evan Hunt's avatar
Evan Hunt committed
460 461 462
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_FALSE(dnsserv.hasAnswer());
463 464
}

465
void
JINMEI Tatuya's avatar
JINMEI Tatuya committed
466
updateConfig(AuthSrv* server, const char* const config_data,
467 468
             const bool expect_success)
{
469
    ConstElementPtr config_answer =
JINMEI Tatuya's avatar
JINMEI Tatuya committed
470
        server->updateConfig(Element::fromJSON(config_data));
471 472 473
    EXPECT_EQ(Element::map, config_answer->getType());
    EXPECT_TRUE(config_answer->contains("result"));

474
    ConstElementPtr result = config_answer->get("result");
475
    EXPECT_EQ(Element::list, result->getType());
476
    EXPECT_EQ(expect_success ? 0 : 1, result->get(0)->intValue());
477 478 479 480
}

// Install a Sqlite3 data source with testing data.
TEST_F(AuthSrvTest, updateConfig) {
481
    updateConfig(&server, CONFIG_TESTDB, true);
482 483 484 485

    // query for existent data in the installed data source.  The resulting
    // response should have the AA flag on, and have an RR in each answer
    // and authority section.
486
    createDataFromFile("examplequery_fromWire.wire");
Evan Hunt's avatar
Evan Hunt committed
487 488
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
489
    headerCheck(*parse_message, default_qid, Rcode::NOERROR(), opcode.getCode(),
490 491 492 493
                QR_FLAG | AA_FLAG, 1, 1, 1, 0);
}

TEST_F(AuthSrvTest, datasourceFail) {
494
    updateConfig(&server, CONFIG_TESTDB, true);
495 496 497 498 499

    // This query will hit a corrupted entry of the data source (the zoneload
    // tool and the data source itself naively accept it).  This will result
    // in a SERVFAIL response, and the answer and authority sections should
    // be empty.
500
    createDataFromFile("badExampleQuery_fromWire.wire");
Evan Hunt's avatar
Evan Hunt committed
501 502
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
503
    headerCheck(*parse_message, default_qid, Rcode::SERVFAIL(),
504
                opcode.getCode(), QR_FLAG, 1, 0, 0, 0);
505
}
506 507 508 509 510 511 512 513 514

TEST_F(AuthSrvTest, updateConfigFail) {
    // First, load a valid data source.
    updateConfig(&server, CONFIG_TESTDB, true);

    // Next, try to update it with a non-existent one.  This should fail.
    updateConfig(&server, BADCONFIG_TESTDB, false);

    // The original data source should still exist.
515
    createDataFromFile("examplequery_fromWire.wire");
Evan Hunt's avatar
Evan Hunt committed
516 517
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
518
    headerCheck(*parse_message, default_qid, Rcode::NOERROR(), opcode.getCode(),
519 520
                QR_FLAG | AA_FLAG, 1, 1, 1, 0);
}
JINMEI Tatuya's avatar
JINMEI Tatuya committed
521

JINMEI Tatuya's avatar
JINMEI Tatuya committed
522 523 524 525 526 527 528 529 530 531 532
TEST_F(AuthSrvTest, updateWithMemoryDataSrc) {
    // Test configuring memory data source.  Detailed test cases are covered
    // in the configuration tests.  We only check the AuthSrv interface here.

    // By default memory data source isn't enabled
    EXPECT_EQ(AuthSrv::MemoryDataSrcPtr(), server.getMemoryDataSrc(rrclass));
    updateConfig(&server,
                 "{\"datasources\": [{\"type\": \"memory\"}]}", true);
    // after successful configuration, we should have one (with empty zoneset).
    ASSERT_NE(AuthSrv::MemoryDataSrcPtr(), server.getMemoryDataSrc(rrclass));
    EXPECT_EQ(0, server.getMemoryDataSrc(rrclass)->getZoneCount());
Jerry's avatar
Jerry committed
533

534
    // The memory data source is empty, should return REFUSED rcode.
Jerry's avatar
Jerry committed
535
    createDataFromFile("examplequery_fromWire.wire");
536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554
    server.processMessage(*io_message, parse_message, response_obuffer,
                          &dnsserv);
    EXPECT_TRUE(dnsserv.hasAnswer());
    headerCheck(*parse_message, default_qid, Rcode::REFUSED(),
                opcode.getCode(), QR_FLAG, 1, 0, 0, 0);
}

TEST_F(AuthSrvTest, chQueryWithMemoryDataSrc) {
    // Configure memory data source for class IN
    updateConfig(&server, "{\"datasources\": "
                 "[{\"class\": \"IN\", \"type\": \"memory\"}]}", true);

    // This shouldn't affect the result of class CH query
    UnitTestUtil::createRequestMessage(request_message, Opcode::QUERY(),
                                       default_qid, Name("version.bind"),
                                       RRClass::CH(), RRType::TXT());
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer,
                          &dnsserv);
555
    EXPECT_TRUE(dnsserv.hasAnswer());
556 557
    headerCheck(*parse_message, default_qid, Rcode::NOERROR(),
                opcode.getCode(), QR_FLAG | AA_FLAG, 1, 1, 1, 0);
JINMEI Tatuya's avatar
JINMEI Tatuya committed
558 559
}

JINMEI Tatuya's avatar
JINMEI Tatuya committed
560 561 562 563 564 565 566 567 568
TEST_F(AuthSrvTest, cacheSlots) {
    // simple check for the get/set operations
    server.setCacheSlots(10);    // 10 = arbitrary choice
    EXPECT_EQ(10, server.getCacheSlots());

    // 0 is a valid size
    server.setCacheSlots(0);
    EXPECT_EQ(00, server.getCacheSlots());
}
569

570 571 572
// Submit UDP normal query and check query counter
TEST_F(AuthSrvTest, queryCounterUDPNormal) {
    // The counter should be initialized to 0.
573
    EXPECT_EQ(0, server.getCounter(AuthCounters::COUNTER_UDP_QUERY));
574 575 576 577 578 579 580
    // Create UDP message and process.
    UnitTestUtil::createRequestMessage(request_message, Opcode::QUERY(),
                                       default_qid, Name("example.com"),
                                       RRClass::IN(), RRType::NS());
    createRequestPacket(request_message, IPPROTO_UDP);
    server.processMessage(*io_message, parse_message, response_obuffer,
                          &dnsserv);
581
    // After processing UDP query, the counter should be 1.
582
    EXPECT_EQ(1, server.getCounter(AuthCounters::COUNTER_UDP_QUERY));
583 584
}

585 586 587
// Submit TCP normal query and check query counter
TEST_F(AuthSrvTest, queryCounterTCPNormal) {
    // The counter should be initialized to 0.
588
    EXPECT_EQ(0, server.getCounter(AuthCounters::COUNTER_TCP_QUERY));
589 590 591 592 593 594 595
    // Create TCP message and process.
    UnitTestUtil::createRequestMessage(request_message, Opcode::QUERY(),
                                       default_qid, Name("example.com"),
                                       RRClass::IN(), RRType::NS());
    createRequestPacket(request_message, IPPROTO_TCP);
    server.processMessage(*io_message, parse_message, response_obuffer,
                          &dnsserv);
596
    // After processing TCP query, the counter should be 1.
597
    EXPECT_EQ(1, server.getCounter(AuthCounters::COUNTER_TCP_QUERY));
598 599 600 601 602
}

// Submit TCP AXFR query and check query counter
TEST_F(AuthSrvTest, queryCounterTCPAXFR) {
    // The counter should be initialized to 0.
603
    EXPECT_EQ(0, server.getCounter(AuthCounters::COUNTER_TCP_QUERY));
604 605 606 607 608 609
    UnitTestUtil::createRequestMessage(request_message, opcode, default_qid,
                         Name("example.com"), RRClass::IN(), RRType::AXFR());
    createRequestPacket(request_message, IPPROTO_TCP);
    // On success, the AXFR query has been passed to a separate process,
    // so we shouldn't have to respond.
    server.processMessage(*io_message, parse_message, response_obuffer, &dnsserv);
610
    // After processing TCP AXFR query, the counter should be 1.
611
    EXPECT_EQ(1, server.getCounter(AuthCounters::COUNTER_TCP_QUERY));
612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630
}

// class for queryCounterUnexpected test
// getProtocol() returns IPPROTO_IP
class DummyUnknownSocket : public IOSocket {
public:
    DummyUnknownSocket() {}
    virtual int getNative() const { return (0); }
    virtual int getProtocol() const { return (IPPROTO_IP); }
};

// function for queryCounterUnexpected test
// returns a reference to a static object of DummyUnknownSocket
IOSocket&
getDummyUnknownSocket() {
    static DummyUnknownSocket socket;
    return (socket);
}

631
// Submit unexpected type of query and check it throws isc::Unexpected
632
TEST_F(AuthSrvTest, queryCounterUnexpected) {
633 634 635 636
    // This code isn't exception safe, but we'd rather keep the code
    // simpler and more readable as this is only for tests and if it throws
    // the program would immediately terminate anyway.

637
    // Create UDP query packet.
638 639 640 641
    UnitTestUtil::createRequestMessage(request_message, Opcode::QUERY(),
                                       default_qid, Name("example.com"),
                                       RRClass::IN(), RRType::NS());
    createRequestPacket(request_message, IPPROTO_UDP);
642

643
    // Modify the message.
644 645 646 647 648 649 650 651
    delete io_message;
    endpoint = IOEndpoint::create(IPPROTO_UDP,
                                  IOAddress(DEFAULT_REMOTE_ADDRESS), 5300);
    io_message = new IOMessage(request_renderer.getData(),
                               request_renderer.getLength(),
                               getDummyUnknownSocket(), *endpoint);

    EXPECT_THROW(server.processMessage(*io_message, parse_message,
652
                                       response_obuffer, &dnsserv),
653
                 isc::Unexpected);
654
}
655 656 657 658 659

TEST_F(AuthSrvTest, stop) {
    // normal case is covered in command_unittest.cc.  we should primarily
    // test it here, but the current design of the stop test takes time,
    // so we consolidate the cases in the command tests.
660 661
    // If/when the interval timer has finer granularity we'll probably add
    // our own tests here, so we keep this empty test case.
662
}
663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683

TEST_F(AuthSrvTest, listenAddresses) {
    // Default value should be not listening to anything
    EXPECT_TRUE(server.getListenAddresses().empty());

    // Try putting there some addresses
    AddressList addresses;
    addresses.push_back(AddressPair("127.0.0.1", 5321));
    addresses.push_back(AddressPair("::1", 5321));
    server.setListenAddresses(addresses);
    ASSERT_EQ(2, server.getListenAddresses().size());
    EXPECT_EQ("::1", server.getListenAddresses()[1].first);

    // Is it independent from what we do with the vector later?
    addresses.clear();
    EXPECT_EQ(2, server.getListenAddresses().size());

    // Did it return to empty list if we ask it to?
    server.setListenAddresses(addresses);
    EXPECT_TRUE(server.getListenAddresses().empty());
}
684
}