auth_srv_unittest.cc 29.6 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
// 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.

// $Id$

17 18
#include <config.h>

19 20 21 22 23 24 25 26 27
#include <gtest/gtest.h>

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

28
#include <cc/data.h>
29
#include <cc/session.h>
30

31
#include <xfr/xfrout_client.h>
32

33
#include <auth/auth_srv.h>
34
#include <auth/asio_link.h>
35 36 37 38 39

#include <dns/tests/unittest_util.h>

using isc::UnitTestUtil;
using namespace std;
40
using namespace isc::cc;
41
using namespace isc::dns;
42
using namespace isc::data;
43
using namespace isc::xfr;
44
using namespace asio_link;
45 46

namespace {
47
const char* const CONFIG_TESTDB =
48
    "{\"database_file\": \"" TEST_DATA_DIR "/example.sqlite3\"}";
49 50
// The following file must be non existent and must be non"creatable" (see
// the sqlite3 test).
51
const char* const BADCONFIG_TESTDB =
52
    "{ \"database_file\": \"" TEST_DATA_DIR "/nodir/notexist\"}";
53
const char* const DEFAULT_REMOTE_ADDRESS = "192.0.2.1";
54

55
class AuthSrvTest : public ::testing::Test {
56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
private:
    class MockXfroutClient : public AbstractXfroutClient {
    public:
        MockXfroutClient() :
            is_connected_(false), connect_ok_(true), send_ok_(true),
            disconnect_ok_(true)
        {}
        virtual void connect();
        virtual void disconnect();
        virtual int sendXfroutRequestInfo(int tcp_sock, const void* msg_data,
                                          uint16_t msg_len);
        bool isConnected() const { return (is_connected_); }
        void disableConnect() { connect_ok_ = false; }
        void disableDisconnect() { disconnect_ok_ = false; }
        void enableDisconnect() { disconnect_ok_ = true; }
        void disableSend() { send_ok_ = false; }
    private:
        bool is_connected_;
        bool connect_ok_;
        bool send_ok_;
        bool disconnect_ok_;
    };
78 79 80 81 82

    class MockSession : public AbstractSession {
    public:
        MockSession() :
            // by default we return a simple "success" message.
83
            msg_(Element::fromJSON("{\"result\": [0, \"SUCCESS\"]}")),
84
            send_ok_(true), receive_ok_(true)
85 86 87
        {}
        virtual void establish(const char* socket_file);
        virtual void disconnect();
88
        virtual int group_sendmsg(ConstElementPtr msg, string group,
89
                                  string instance, string to);
90 91
        virtual bool group_recvmsg(ConstElementPtr& envelope,
                                   ConstElementPtr& msg,
92
                                   bool nonblock, int seq);
93 94 95
        virtual void subscribe(string group, string instance);
        virtual void unsubscribe(string group, string instance);
        virtual void startRead(boost::function<void()> read_callback);
96 97
        virtual int reply(ConstElementPtr envelope, ConstElementPtr newmsg);
        virtual bool hasQueuedMsgs() const;
98
        virtual void setTimeout(size_t timeout UNUSED_PARAM) {};
99
        virtual size_t getTimeout() const { return 0; };
100

101
        void setMessage(ConstElementPtr msg) { msg_ = msg; }
102 103
        void disableSend() { send_ok_ = false; }
        void disableReceive() { receive_ok_ = false; }
104

105
        ConstElementPtr sent_msg;
106
        string msg_destination;
107
    private:
108
        ConstElementPtr msg_;
109 110
        bool send_ok_;
        bool receive_ok_;
111 112
    };

113
protected:
114
    AuthSrvTest() : server(true, xfrout),
115
                    request_message(Message::RENDER),
116
                    parse_message(Message::PARSE), default_qid(0x1035),
117
                    opcode(Opcode(Opcode::QUERY())), qname("www.example.com"),
118
                    qclass(RRClass::IN()), qtype(RRType::A()),
119
                    io_message(NULL), endpoint(NULL), request_obuffer(0),
120
                    request_renderer(request_obuffer),
121
                    response_obuffer(0), response_renderer(response_obuffer)
122
    {
123
        server.setXfrinSession(&notify_session);
124
    }
125 126
    ~AuthSrvTest() {
        delete io_message;
127
        delete endpoint;
128
    }
129
    MockSession notify_session;
130
    MockXfroutClient xfrout;
131 132 133
    AuthSrv server;
    Message request_message;
    Message parse_message;
134 135 136 137 138
    const qid_t default_qid;
    const Opcode opcode;
    const Name qname;
    const RRClass qclass;
    const RRType qtype;
139 140
    IOMessage* io_message;
    const IOEndpoint* endpoint;
141 142 143 144 145
    OutputBuffer request_obuffer;
    MessageRenderer request_renderer;
    OutputBuffer response_obuffer;
    MessageRenderer response_renderer;
    vector<uint8_t> data;
146

JINMEI Tatuya's avatar
JINMEI Tatuya committed
147
    void createDataFromFile(const char* const datafile, int protocol);
148 149 150 151 152 153
    void createRequestMessage(const Opcode& opcode, const Name& request_name,
                              const RRClass& rrclass, const RRType& rrtype);
    void createRequestPacket(const Opcode& opcode, const Name& request_name,
                             const RRClass& rrclass, const RRType& rrtype,
                             int protocol);
    void createRequestPacket(int protocol);
154 155
};

156
void
157
AuthSrvTest::MockSession::establish(const char* socket_file UNUSED_PARAM) {}
158 159

void
160
AuthSrvTest::MockSession::disconnect() {}
161

162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177
void
AuthSrvTest::MockSession::subscribe(string group UNUSED_PARAM,
                                    string instance UNUSED_PARAM)
{}

void
AuthSrvTest::MockSession::unsubscribe(string group UNUSED_PARAM,
                                      string instance UNUSED_PARAM)
{}

void
AuthSrvTest::MockSession::startRead(
    boost::function<void()> read_callback UNUSED_PARAM)
{}

int
178 179
AuthSrvTest::MockSession::reply(ConstElementPtr envelope UNUSED_PARAM,
                                ConstElementPtr newmsg UNUSED_PARAM)
180 181 182 183 184
{
    return (-1);
}

bool
185
AuthSrvTest::MockSession::hasQueuedMsgs() const {
186 187 188
    return (false);
}

189
int
190
AuthSrvTest::MockSession::group_sendmsg(ConstElementPtr msg, string group,
191 192 193
                                        string instance UNUSED_PARAM,
                                        string to UNUSED_PARAM)
{
194 195 196
    if (!send_ok_) {
        isc_throw(XfroutError, "mock session send is disabled for test");
    }
197 198 199

    sent_msg = msg;
    msg_destination = group;
200 201 202 203
    return (0);
}

bool
204 205
AuthSrvTest::MockSession::group_recvmsg(ConstElementPtr& envelope UNUSED_PARAM,
                                        ConstElementPtr& msg,
206 207 208
                                        bool nonblock UNUSED_PARAM,
                                        int seq UNUSED_PARAM)
{
209 210 211 212
    if (!receive_ok_) {
        isc_throw(XfroutError, "mock session receive is disabled for test");
    }

213 214 215 216
    msg = msg_;
    return (true);
}

217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
void
AuthSrvTest::MockXfroutClient::connect() {
    if (!connect_ok_) {
        isc_throw(XfroutError, "xfrout connection disabled for test");
    }
    is_connected_ = true;
}

void
AuthSrvTest::MockXfroutClient::disconnect() {
    if (!disconnect_ok_) {
        isc_throw(XfroutError,
                  "closing xfrout connection is disabled for test");
    }
    is_connected_ = false;
}

int
AuthSrvTest::MockXfroutClient::sendXfroutRequestInfo(
    const int tcp_sock UNUSED_PARAM,
    const void* msg_data UNUSED_PARAM,
    const uint16_t msg_len UNUSED_PARAM)
{
    if (!send_ok_) {
241
        isc_throw(XfroutError, "xfrout connection send is disabled for test");
242 243 244 245
    }
    return (0);
}

246

247 248 249 250 251 252 253 254 255 256 257 258
// These are flags to indicate whether the corresponding flag bit of the
// DNS header is to be set in the test cases.  (Note that the flag values
// is irrelevant to their wire-format values)
const unsigned int QR_FLAG = 0x1;
const unsigned int AA_FLAG = 0x2;
const unsigned int TC_FLAG = 0x4;
const unsigned int RD_FLAG = 0x8;
const unsigned int RA_FLAG = 0x10;
const unsigned int AD_FLAG = 0x20;
const unsigned int CD_FLAG = 0x40;

void
JINMEI Tatuya's avatar
JINMEI Tatuya committed
259 260 261
AuthSrvTest::createDataFromFile(const char* const datafile,
                                const int protocol = IPPROTO_UDP)
{
262
    delete io_message;
263 264
    data.clear();

265
    delete endpoint;
266 267
    endpoint = IOEndpoint::create(protocol,
                                  IOAddress(DEFAULT_REMOTE_ADDRESS), 5300);
268
    UnitTestUtil::readWireData(datafile, data);
269
    io_message = new IOMessage(&data[0], data.size(),
270 271 272
                               protocol == IPPROTO_UDP ?
                               IOSocket::getDummyUDPSocket() :
                               IOSocket::getDummyTCPSocket(), *endpoint);
273 274
}

275
void
276 277 278 279
AuthSrvTest::createRequestMessage(const Opcode& opcode,
                                  const Name& request_name,
                                  const RRClass& rrclass,
                                  const RRType& rrtype)
280
{
281
    request_message.clear(Message::RENDER);
282
    request_message.setOpcode(opcode);
JINMEI Tatuya's avatar
JINMEI Tatuya committed
283
    request_message.setQid(default_qid);
284
    request_message.addQuestion(Question(request_name, rrclass, rrtype));
285 286 287 288 289 290 291 292 293 294 295 296 297 298
}

void
AuthSrvTest::createRequestPacket(const Opcode& opcode,
                                 const Name& request_name,
                                 const RRClass& rrclass, const RRType& rrtype,
                                 const int protocol = IPPROTO_UDP)
{
    createRequestMessage(opcode, request_name, rrclass, rrtype);
    createRequestPacket(protocol);
}

void
AuthSrvTest::createRequestPacket(const int protocol = IPPROTO_UDP) {
299 300 301
    request_message.toWire(request_renderer);

    delete io_message;
302 303
    endpoint = IOEndpoint::create(protocol,
                                  IOAddress(DEFAULT_REMOTE_ADDRESS), 5300);
304 305
    io_message = new IOMessage(request_renderer.getData(),
                               request_renderer.getLength(),
306 307 308
                               protocol == IPPROTO_UDP ?
                               IOSocket::getDummyUDPSocket() :
                               IOSocket::getDummyTCPSocket(), *endpoint);
309 310
}

311 312 313 314 315 316 317 318 319 320
void
headerCheck(const Message& message, const qid_t qid, const Rcode& rcode,
            const uint16_t opcodeval, const unsigned int flags,
            const unsigned int qdcount,
            const unsigned int ancount, const unsigned int nscount,
            const unsigned int arcount)
{
    EXPECT_EQ(qid, message.getQid());
    EXPECT_EQ(rcode, message.getRcode());
    EXPECT_EQ(opcodeval, message.getOpcode().getCode());
321 322 323 324 325 326 327
    EXPECT_EQ((flags & QR_FLAG) != 0, message.getHeaderFlag(MessageFlag::QR()));
    EXPECT_EQ((flags & AA_FLAG) != 0, message.getHeaderFlag(MessageFlag::AA()));
    EXPECT_EQ((flags & TC_FLAG) != 0, message.getHeaderFlag(MessageFlag::TC()));
    EXPECT_EQ((flags & RA_FLAG) != 0, message.getHeaderFlag(MessageFlag::RA()));
    EXPECT_EQ((flags & RD_FLAG) != 0, message.getHeaderFlag(MessageFlag::RD()));
    EXPECT_EQ((flags & AD_FLAG) != 0, message.getHeaderFlag(MessageFlag::AD()));
    EXPECT_EQ((flags & CD_FLAG) != 0, message.getHeaderFlag(MessageFlag::CD()));
328 329 330 331 332 333 334 335 336

    EXPECT_EQ(qdcount, message.getRRCount(Section::QUESTION()));
    EXPECT_EQ(ancount, message.getRRCount(Section::ANSWER()));
    EXPECT_EQ(nscount, message.getRRCount(Section::AUTHORITY()));
    EXPECT_EQ(arcount, message.getRRCount(Section::ADDITIONAL()));
}

// Unsupported requests.  Should result in NOTIMP.
TEST_F(AuthSrvTest, unsupportedRequest) {
337
    for (unsigned int i = 0; i < 16; ++i) {
338
        // set Opcode to 'i', which iterators over all possible codes except
339 340 341
        // the standard query and notify
        if (i == Opcode::QUERY().getCode() ||
            i == Opcode::NOTIFY().getCode()) {
Han Feng's avatar
Han Feng committed
342
            continue;
343
        }
344
        createDataFromFile("simplequery_fromWire");
345 346 347
        data[2] = ((i << 3) & 0xff);

        parse_message.clear(Message::PARSE);
348 349
        EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                              response_renderer));
350 351 352
        headerCheck(parse_message, default_qid, Rcode::NOTIMP(), i, QR_FLAG,
                    0, 0, 0, 0);
    }
353
}
354

355 356 357 358 359 360 361 362 363
// Simple API check
TEST_F(AuthSrvTest, verbose) {
    EXPECT_FALSE(server.getVerbose());
    server.setVerbose(true);
    EXPECT_TRUE(server.getVerbose());
    server.setVerbose(false);
    EXPECT_FALSE(server.getVerbose());
}

364 365
// Multiple questions.  Should result in FORMERR.
TEST_F(AuthSrvTest, multiQuestion) {
366
    createDataFromFile("multiquestion_fromWire");
367 368
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
369
    headerCheck(parse_message, default_qid, Rcode::FORMERR(), opcode.getCode(),
370 371 372 373 374 375 376 377 378 379 380 381
                QR_FLAG, 2, 0, 0, 0);

    QuestionIterator qit = parse_message.beginQuestion();
    EXPECT_EQ(Name("example.com"), (*qit)->getName());
    EXPECT_EQ(RRClass::IN(), (*qit)->getClass());
    EXPECT_EQ(RRType::A(), (*qit)->getType());
    ++qit;
    EXPECT_EQ(Name("example.com"), (*qit)->getName());
    EXPECT_EQ(RRClass::IN(), (*qit)->getClass());
    EXPECT_EQ(RRType::AAAA(), (*qit)->getType());
    ++qit;
    EXPECT_TRUE(qit == parse_message.endQuestion());
382 383
}

384 385 386
// Incoming data doesn't even contain the complete header.  Must be silently
// dropped.
TEST_F(AuthSrvTest, shortMessage) {
387
    createDataFromFile("shortmessage_fromWire");
388 389
    EXPECT_EQ(false, server.processMessage(*io_message, parse_message,
                                           response_renderer));
390 391 392 393 394 395
}

// 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) {
    // A valid (although unusual) response
396
    createDataFromFile("simpleresponse_fromWire");
397 398
    EXPECT_EQ(false, server.processMessage(*io_message, parse_message,
                                           response_renderer));
399 400 401

    // A response with a broken question section.  must be dropped rather than
    // returning FORMERR.
402
    createDataFromFile("shortresponse_fromWire");
403 404
    EXPECT_EQ(false, server.processMessage(*io_message, parse_message,
                                           response_renderer));
405 406

    // A response to iquery.  must be dropped rather than returning NOTIMP.
407
    createDataFromFile("iqueryresponse_fromWire");
408 409
    EXPECT_EQ(false, server.processMessage(*io_message, parse_message,
                                           response_renderer));
410 411 412 413
}

// Query with a broken question
TEST_F(AuthSrvTest, shortQuestion) {
414
    createDataFromFile("shortquestion_fromWire");
415 416
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
417 418 419 420 421
    // Since the query's question is broken, the question section of the
    // response should be empty.
    headerCheck(parse_message, default_qid, Rcode::FORMERR(), opcode.getCode(),
                QR_FLAG, 0, 0, 0, 0);
}
422

423 424
// Query with a broken answer section
TEST_F(AuthSrvTest, shortAnswer) {
425
    createDataFromFile("shortanswer_fromWire");
426 427
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
428 429 430

    // This is a bogus query, but question section is valid.  So the response
    // should copy the question section.
431 432 433
    headerCheck(parse_message, default_qid, Rcode::FORMERR(), opcode.getCode(),
                QR_FLAG, 1, 0, 0, 0);

434 435 436 437 438 439
    QuestionIterator qit = parse_message.beginQuestion();
    EXPECT_EQ(Name("example.com"), (*qit)->getName());
    EXPECT_EQ(RRClass::IN(), (*qit)->getClass());
    EXPECT_EQ(RRType::A(), (*qit)->getType());
    ++qit;
    EXPECT_TRUE(qit == parse_message.endQuestion());
440 441
}

442 443
// Query with unsupported version of EDNS.
TEST_F(AuthSrvTest, ednsBadVers) {
444
    createDataFromFile("queryBadEDNS_fromWire");
445 446
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
447

448 449
    // The response must have an EDNS OPT RR in the additional section, but
    // it will be added automatically at the render time.
450 451 452 453
    // Note that the DNSSEC DO bit is cleared even if this bit in the query
    // is set.  This is a limitation of the current implementation.
    headerCheck(parse_message, default_qid, Rcode::BADVERS(), opcode.getCode(),
                QR_FLAG, 1, 0, 0, 1);
454 455 456 457 458 459 460
    EXPECT_FALSE(parse_message.getEDNS()); // EDNS isn't added at this point

    parse_message.clear(Message::PARSE);
    InputBuffer ib(response_renderer.getData(), response_renderer.getLength());
    parse_message.fromWire(ib);
    EXPECT_EQ(Rcode::BADVERS(), parse_message.getRcode());
    EXPECT_TRUE(parse_message.getEDNS());
461
    EXPECT_FALSE(parse_message.getEDNS()->getDNSSECAwareness());
462 463
}

JINMEI Tatuya's avatar
JINMEI Tatuya committed
464 465
TEST_F(AuthSrvTest, AXFROverUDP) {
    // AXFR over UDP is invalid and should result in FORMERR.
466 467
    createRequestPacket(opcode, Name("example.com"), RRClass::IN(),
                        RRType::AXFR(), IPPROTO_UDP);
JINMEI Tatuya's avatar
JINMEI Tatuya committed
468 469 470 471 472 473
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
    headerCheck(parse_message, default_qid, Rcode::FORMERR(), opcode.getCode(),
                QR_FLAG, 1, 0, 0, 0);
}

474 475
TEST_F(AuthSrvTest, AXFRSuccess) {
    EXPECT_FALSE(xfrout.isConnected());
476 477
    createRequestPacket(opcode, Name("example.com"), RRClass::IN(),
                        RRType::AXFR(), IPPROTO_TCP);
478 479 480 481
    // On success, the AXFR query has been passed to a separate process,
    // so we shouldn't have to respond.
    EXPECT_EQ(false, server.processMessage(*io_message, parse_message,
                                           response_renderer));
482
    EXPECT_FALSE(xfrout.isConnected());
483 484 485 486 487
}

TEST_F(AuthSrvTest, AXFRConnectFail) {
    EXPECT_FALSE(xfrout.isConnected()); // check prerequisite
    xfrout.disableConnect();
488 489
    createRequestPacket(opcode, Name("example.com"), RRClass::IN(),
                        RRType::AXFR(), IPPROTO_TCP);
490 491 492 493
    EXPECT_TRUE(server.processMessage(*io_message, parse_message,
                                      response_renderer));
    headerCheck(parse_message, default_qid, Rcode::SERVFAIL(),
                opcode.getCode(), QR_FLAG, 1, 0, 0, 0);
494 495
    // For a shot term workaround with xfrout we currently close the connection
    // for each AXFR attempt
496 497 498 499 500 501
    EXPECT_FALSE(xfrout.isConnected());
}

TEST_F(AuthSrvTest, AXFRSendFail) {
    // first send a valid query, making the connection with the xfr process
    // open.
502 503
    createRequestPacket(opcode, Name("example.com"), RRClass::IN(),
                        RRType::AXFR(), IPPROTO_TCP);
504
    server.processMessage(*io_message, parse_message, response_renderer);
505
    EXPECT_FALSE(xfrout.isConnected()); // see above
506 507 508 509

    xfrout.disableSend();
    parse_message.clear(Message::PARSE);
    response_renderer.clear();
510 511
    createRequestPacket(opcode, Name("example.com"), RRClass::IN(),
                        RRType::AXFR(), IPPROTO_TCP);
512 513 514 515 516 517 518 519 520 521 522 523 524 525
    EXPECT_TRUE(server.processMessage(*io_message, parse_message,
                                      response_renderer));
    headerCheck(parse_message, default_qid, Rcode::SERVFAIL(),
                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();
526 527
    createRequestPacket(opcode, Name("example.com"), RRClass::IN(),
                        RRType::AXFR(), IPPROTO_TCP);
528 529 530 531 532 533 534 535 536
    EXPECT_THROW(server.processMessage(*io_message, parse_message,
                                       response_renderer),
                 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();
}

537 538 539 540
TEST_F(AuthSrvTest, notify) {
    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    request_message.setHeaderFlag(MessageFlag::AA());
541
    createRequestPacket(IPPROTO_UDP);
542
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
543
                                          response_renderer));
544 545 546

    // An internal command message should have been created and sent to an
    // external module.  Check them.
547
    EXPECT_EQ("Zonemgr", notify_session.msg_destination);
548 549
    EXPECT_EQ("notify",
              notify_session.sent_msg->get("command")->get(0)->stringValue());
550 551
    ConstElementPtr notify_args =
        notify_session.sent_msg->get("command")->get(1);
552 553 554
    EXPECT_EQ("example.com.", notify_args->get("zone_name")->stringValue());
    EXPECT_EQ(DEFAULT_REMOTE_ADDRESS,
              notify_args->get("master")->stringValue());
555
    EXPECT_EQ("IN", notify_args->get("zone_class")->stringValue());
556 557

    // On success, the server should return a response to the notify.
558 559 560
    headerCheck(parse_message, default_qid, Rcode::NOERROR(),
                Opcode::NOTIFY().getCode(), QR_FLAG | AA_FLAG, 1, 0, 0, 0);

561
    // The question must be identical to that of the received notify
562 563 564 565 566 567
    ConstQuestionPtr question = *parse_message.beginQuestion();
    EXPECT_EQ(Name("example.com"), question->getName());
    EXPECT_EQ(RRClass::IN(), question->getClass());
    EXPECT_EQ(RRType::SOA(), question->getType());
}

568 569 570 571 572 573 574 575 576 577 578
TEST_F(AuthSrvTest, notifyForCHClass) {
    // Same as the previous test, but for the CH RRClass.
    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::CH(),
                        RRType::SOA());
    request_message.setHeaderFlag(MessageFlag::AA());
    createRequestPacket(IPPROTO_UDP);
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));

    // Other conditions should be the same, so simply confirm the RR class is
    // set correctly.
579 580
    ConstElementPtr notify_args =
        notify_session.sent_msg->get("command")->get(1);
581
    EXPECT_EQ("CH", notify_args->get("zone_class")->stringValue());
582 583
}

584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639
TEST_F(AuthSrvTest, notifyEmptyQuestion) {
    request_message.clear(Message::RENDER);
    request_message.setOpcode(Opcode::NOTIFY());
    request_message.setHeaderFlag(MessageFlag::AA());
    request_message.setQid(default_qid);
    request_message.toWire(request_renderer);
    createRequestPacket(IPPROTO_UDP);
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
    headerCheck(parse_message, default_qid, Rcode::FORMERR(),
                Opcode::NOTIFY().getCode(), QR_FLAG, 0, 0, 0, 0);
}

TEST_F(AuthSrvTest, notifyMultiQuestions) {
    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    // add one more SOA question
    request_message.addQuestion(Question(Name("example.com"), RRClass::IN(),
                                         RRType::SOA()));
    request_message.setHeaderFlag(MessageFlag::AA());
    createRequestPacket(IPPROTO_UDP);
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
    headerCheck(parse_message, default_qid, Rcode::FORMERR(),
                Opcode::NOTIFY().getCode(), QR_FLAG, 2, 0, 0, 0);
}

TEST_F(AuthSrvTest, notifyNonSOAQuestion) {
    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::NS());
    request_message.setHeaderFlag(MessageFlag::AA());
    createRequestPacket(IPPROTO_UDP);
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
    headerCheck(parse_message, default_qid, Rcode::FORMERR(),
                Opcode::NOTIFY().getCode(), QR_FLAG, 1, 0, 0, 0);
}

TEST_F(AuthSrvTest, notifyWithoutAA) {
    // implicitly leave the AA bit off.  our implementation will accept it.
    createRequestPacket(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
    headerCheck(parse_message, default_qid, Rcode::NOERROR(),
                Opcode::NOTIFY().getCode(), QR_FLAG | AA_FLAG, 1, 0, 0, 0);
}

TEST_F(AuthSrvTest, notifyWithErrorRcode) {
    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    request_message.setHeaderFlag(MessageFlag::AA());
    request_message.setRcode(Rcode::SERVFAIL());
    createRequestPacket(IPPROTO_UDP);
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
640 641
    headerCheck(parse_message, default_qid, Rcode::NOERROR(),
                Opcode::NOTIFY().getCode(), QR_FLAG | AA_FLAG, 1, 0, 0, 0);
Han Feng's avatar
Han Feng committed
642 643
}

644
TEST_F(AuthSrvTest, notifyWithoutSession) {
645
    server.setXfrinSession(NULL);
646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664

    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    request_message.setHeaderFlag(MessageFlag::AA());
    createRequestPacket(IPPROTO_UDP);

    // we simply ignore the notify and let it be resent if an internal error
    // happens.
    EXPECT_FALSE(server.processMessage(*io_message, parse_message,
                                       response_renderer));
}

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

    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    request_message.setHeaderFlag(MessageFlag::AA());
    createRequestPacket(IPPROTO_UDP);
665

666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681
    EXPECT_FALSE(server.processMessage(*io_message, parse_message,
                                       response_renderer));
}

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

    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    request_message.setHeaderFlag(MessageFlag::AA());
    createRequestPacket(IPPROTO_UDP);
    EXPECT_FALSE(server.processMessage(*io_message, parse_message,
                                       response_renderer));
}

TEST_F(AuthSrvTest, notifyWithBogusSessionMessage) {
682
    notify_session.setMessage(Element::fromJSON("{\"foo\": 1}"));
683 684 685 686 687 688 689 690 691 692 693

    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    request_message.setHeaderFlag(MessageFlag::AA());
    createRequestPacket(IPPROTO_UDP);
    EXPECT_FALSE(server.processMessage(*io_message, parse_message,
                                       response_renderer));
}

TEST_F(AuthSrvTest, notifyWithSessionMessageError) {
    notify_session.setMessage(
694
        Element::fromJSON("{\"result\": [1, \"FAIL\"]}"));
695 696 697 698 699 700 701 702 703

    createRequestMessage(Opcode::NOTIFY(), Name("example.com"), RRClass::IN(),
                        RRType::SOA());
    request_message.setHeaderFlag(MessageFlag::AA());
    createRequestPacket(IPPROTO_UDP);
    EXPECT_FALSE(server.processMessage(*io_message, parse_message,
                                       response_renderer));
}

704
void
705 706 707
updateConfig(AuthSrv* server, const char* const dbfile,
             const bool expect_success)
{
708
    ConstElementPtr config_answer =
709
        server->updateConfig(Element::fromJSON(dbfile));
710 711 712
    EXPECT_EQ(Element::map, config_answer->getType());
    EXPECT_TRUE(config_answer->contains("result"));

713
    ConstElementPtr result = config_answer->get("result");
714
    EXPECT_EQ(Element::list, result->getType());
715
    EXPECT_EQ(expect_success ? 0 : 1, result->get(0)->intValue());
716 717 718 719
}

// Install a Sqlite3 data source with testing data.
TEST_F(AuthSrvTest, updateConfig) {
720
    updateConfig(&server, CONFIG_TESTDB, true);
721 722 723 724

    // 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.
725
    createDataFromFile("examplequery_fromWire");
726 727
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
728 729 730 731 732
    headerCheck(parse_message, default_qid, Rcode::NOERROR(), opcode.getCode(),
                QR_FLAG | AA_FLAG, 1, 1, 1, 0);
}

TEST_F(AuthSrvTest, datasourceFail) {
733
    updateConfig(&server, CONFIG_TESTDB, true);
734 735 736 737 738

    // 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.
739
    createDataFromFile("badExampleQuery_fromWire");
740 741
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
742 743
    headerCheck(parse_message, default_qid, Rcode::SERVFAIL(),
                opcode.getCode(), QR_FLAG, 1, 0, 0, 0);
744
}
745 746 747 748 749 750 751 752 753

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.
754
    createDataFromFile("examplequery_fromWire");
755 756
    EXPECT_EQ(true, server.processMessage(*io_message, parse_message,
                                          response_renderer));
757 758 759
    headerCheck(parse_message, default_qid, Rcode::NOERROR(), opcode.getCode(),
                QR_FLAG | AA_FLAG, 1, 1, 1, 0);
}
JINMEI Tatuya's avatar
JINMEI Tatuya committed
760 761 762 763 764 765 766 767 768 769

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());
}
770
}