summaryrefslogtreecommitdiffstats
path: root/tests/auto/networkselftest/tst_networkselftest.cpp
blob: cb8273321418c4d460cbcc9f31afb4011e7eb97f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtTest/QtTest>
#include <QtNetwork/QtNetwork>
#include "../network-settings.h"

class tst_NetworkSelfTest: public QObject
{
    Q_OBJECT
private slots:
    void hostTest();
    void dnsResolution_data();
    void dnsResolution();
    void serverReachability();
    void remotePortsOpen_data();
    void remotePortsOpen();

    // specific protocol tests
    void ftpServer();
    void imapServer();
    void httpServer();
    void httpsServer();
    void httpProxy();
    void httpProxyBasicAuth();
    void httpProxyNtlmAuth();
    void socks5Proxy();
    void socks5ProxyAuth();
};

class Chat
{
public:
    enum Type {
        Reconnect,
        Send,
        Expect,
        SkipBytes,
        DiscardUntil,
        DiscardUntilDisconnect,
        Disconnect,
        RemoteDisconnect,
        StartEncryption
    };
    Chat(Type t, const QByteArray &d)
        : data(d), type(t)
    {
    }
    Chat(Type t, int val = 0)
        : value(val), type(t)
    {
    }

    static inline Chat send(const QByteArray &data)
    { return Chat(Send, data); }
    static inline Chat expect(const QByteArray &data)
    { return Chat(Expect, data); }
    static inline Chat discardUntil(const QByteArray &data)
    { return Chat(DiscardUntil, data); }
    static inline Chat skipBytes(int count)
    { return Chat(SkipBytes, count); }

    QByteArray data;
    int value;
    Type type;
};

static QString prettyByteArray(const QByteArray &array)
{
    // any control chars?
    QString result;
    result.reserve(array.length() + array.length() / 3);
    for (int i = 0; i < array.length(); ++i) {
        char c = array.at(i);
        switch (c) {
        case '\n':
            result += "\\n";
            continue;
        case '\r':
            result += "\\r";
            continue;
        case '\t':
            result += "\\t";
            continue;
        case '"':
            result += "\\\"";
            continue;
        default:
            break;
        }

        if (c < 0x20 || uchar(c) >= 0x7f) {
            result += '\\';
            result += QString::number(uchar(c), 8);
        } else {
            result += c;
        }
    }
    return result;
}

static bool doSocketRead(QTcpSocket *socket, int minBytesAvailable, int timeout = 2000)
{
    QTime timer;
    timer.start();
    forever {
        if (socket->bytesAvailable() >= minBytesAvailable)
            return true;
        if (socket->state() == QAbstractSocket::UnconnectedState
            || timer.elapsed() >= timeout)
            return false;
        if (!socket->waitForReadyRead(timeout - timer.elapsed()))
            return false;
    }
}

static bool doSocketFlush(QTcpSocket *socket, int timeout = 2000)
{
#ifndef QT_NO_OPENSSL
    QSslSocket *sslSocket = qobject_cast<QSslSocket *>(socket);
#endif
    QTime timer;
    timer.start();
    forever {
        if (socket->bytesToWrite() == 0
#ifndef QT_NO_OPENSSL
            && sslSocket->encryptedBytesToWrite() == 0
#endif
            )
            return true;
        if (socket->state() == QAbstractSocket::UnconnectedState
            || timer.elapsed() >= timeout)
            return false;
        if (!socket->waitForBytesWritten(timeout - timer.elapsed()))
            return false;
    }
}

static void netChat(int port, const QList<Chat> &chat)
{
#ifndef QT_NO_OPENSSL
    QSslSocket socket;
#else
    QTcpSocket socket;
#endif

    socket.connectToHost(QtNetworkSettings::serverName(), port);
    qDebug() << 0 << "Connecting to server on port" << port;
    QVERIFY2(socket.waitForConnected(10000),
             QString("Failed to connect to server in step 0: %1").arg(socket.errorString()).toLocal8Bit());

    // now start the chat
    QList<Chat>::ConstIterator it = chat.constBegin();
    for (int i = 1; it != chat.constEnd(); ++it, ++i) {
        switch (it->type) {
            case Chat::Expect: {
                    qDebug() << i << "Expecting" << prettyByteArray(it->data);
                    if (!doSocketRead(&socket, it->data.length()))
                        QFAIL(QString("Failed to receive data in step %1: timeout").arg(i).toLocal8Bit());

                    // pop that many bytes off the socket
                    QByteArray received = socket.read(it->data.length());

                    // is it what we expected?
                    QVERIFY2(received == it->data,
                             QString("Did not receive expected data in step %1: data received was:\n%2")
                             .arg(i).arg(prettyByteArray(received)).toLocal8Bit());

                    break;
                }

            case Chat::DiscardUntil:
                qDebug() << i << "Discarding until" << prettyByteArray(it->data);
                while (true) {
                    // scan the buffer until we have our string
                    if (!doSocketRead(&socket, it->data.length()))
                        QFAIL(QString("Failed to receive data in step %1: timeout").arg(i).toLocal8Bit());

                    QByteArray buffer;
                    buffer.resize(socket.bytesAvailable());
                    socket.peek(buffer.data(), socket.bytesAvailable());

                    int pos = buffer.indexOf(it->data);
                    if (pos == -1) {
                        // data not found, keep trying
                        continue;
                    }

                    buffer = socket.read(pos + it->data.length());
                    qDebug() << i << "Discarded" << prettyByteArray(buffer);
                    break;
                }
                break;

            case Chat::SkipBytes: {
                    qDebug() << i << "Skipping" << it->value << "bytes";
                    if (!doSocketRead(&socket, it->value))
                        QFAIL(QString("Failed to receive data in step %1: timeout").arg(i).toLocal8Bit());

                    // now discard the bytes
                    QByteArray buffer = socket.read(it->value);
                    qDebug() << i << "Skipped" << prettyByteArray(buffer);
                    break;
                }

            case Chat::Send: {
                    qDebug() << i << "Sending" << prettyByteArray(it->data);
                    socket.write(it->data);
                    if (!doSocketFlush(&socket)) {
                        QVERIFY2(socket.state() == QAbstractSocket::ConnectedState,
                                 QString("Socket disconnected while sending data in step %1").arg(i).toLocal8Bit());
                        QFAIL(QString("Failed to send data in step %1: timeout").arg(i).toLocal8Bit());
                    }
                    break;
                }

            case Chat::Disconnect:
                qDebug() << i << "Disconnecting from host";
                socket.disconnectFromHost();

                // is this the last command?
                if (it + 1 != chat.constEnd())
                    break;

                // fall through:
            case Chat::RemoteDisconnect:
            case Chat::DiscardUntilDisconnect:
                qDebug() << i << "Waiting for remote disconnect";
                if (socket.state() != QAbstractSocket::UnconnectedState)
                    socket.waitForDisconnected(10000);
                QVERIFY2(socket.state() == QAbstractSocket::UnconnectedState,
                         QString("Socket did not disconnect as expected in step %1").arg(i).toLocal8Bit());

                // any data left?
                if (it->type == Chat::DiscardUntilDisconnect) {
                    QByteArray buffer = socket.readAll();
                    qDebug() << i << "Discarded in the process:" << prettyByteArray(buffer);
                }

                if (socket.bytesAvailable() != 0)
                    QFAIL(QString("Unexpected bytes still on buffer when disconnecting in step %1:\n%2")
                          .arg(i).arg(prettyByteArray(socket.readAll())).toLocal8Bit());
                break;

            case Chat::Reconnect:
                qDebug() << i << "Reconnecting to server on port" << port;
                socket.connectToHost(QtNetworkSettings::serverName(), port);
                QVERIFY2(socket.waitForConnected(10000),
                         QString("Failed to reconnect to server in step %1: %2").arg(i).arg(socket.errorString()).toLocal8Bit());
                break;

            case Chat::StartEncryption:
#ifdef QT_NO_OPENSSL
                QFAIL("Internal error: SSL required for this test");
#else
                qDebug() << i << "Starting client encryption";
                socket.ignoreSslErrors();
                socket.startClientEncryption();
                QVERIFY2(socket.waitForEncrypted(5000),
                         QString("Failed to start client encryption in step %1: %2").arg(i)
                         .arg(socket.errorString()).toLocal8Bit());
                break;
#endif
            }
    }
}

void tst_NetworkSelfTest::hostTest()
{
    // this is a localhost self-test
    QHostInfo localhost = QHostInfo::fromName("localhost");
    QCOMPARE(localhost.error(), QHostInfo::NoError);
    QVERIFY(!localhost.addresses().isEmpty());

    QTcpServer server;
    QVERIFY(server.listen());

    QTcpSocket socket;
    socket.connectToHost("127.0.0.1", server.serverPort());
    QVERIFY(socket.waitForConnected(10000));
}

void tst_NetworkSelfTest::dnsResolution_data()
{
    QTest::addColumn<QString>("hostName");
    QTest::newRow("local-name") << QtNetworkSettings::serverLocalName();
    QTest::newRow("fqdn") << QtNetworkSettings::serverName();
}

void tst_NetworkSelfTest::dnsResolution()
{
    QFETCH(QString, hostName);
    QHostInfo resolved = QHostInfo::fromName(hostName);
    QVERIFY2(resolved.error() == QHostInfo::NoError,
             QString("Failed to resolve hostname %1: %2").arg(hostName, resolved.errorString()).toLocal8Bit());
}

void tst_NetworkSelfTest::serverReachability()
{
    // check that we get a proper error connecting to port 1
    QTcpSocket socket;
    socket.connectToHost(QtNetworkSettings::serverName(), 1);
    socket.waitForConnected(10000);
    QVERIFY2(socket.state() == QAbstractSocket::UnconnectedState, "Socket connected unexpectedly!");
    QVERIFY2(socket.error() == QAbstractSocket::ConnectionRefusedError,
             QString("Could not reach server: %1").arg(socket.errorString()).toLocal8Bit());
}

void tst_NetworkSelfTest::remotePortsOpen_data()
{
    QTest::addColumn<int>("portNumber");
    QTest::newRow("ftp") << 21;
    QTest::newRow("ssh") << 22;
    QTest::newRow("imap") << 143;
    QTest::newRow("http") << 80;
    QTest::newRow("https") << 443;
    QTest::newRow("http-proxy") << 3128;
    QTest::newRow("http-proxy-auth-basic") << 3129;
    QTest::newRow("http-proxy-auth-ntlm") << 3130;
    QTest::newRow("socks5-proxy") << 1080;
    QTest::newRow("socks5-proxy-auth") << 1081;
}

void tst_NetworkSelfTest::remotePortsOpen()
{
    QFETCH(int, portNumber);
    QTcpSocket socket;
    socket.connectToHost(QtNetworkSettings::serverName(), portNumber);

    if (!socket.waitForConnected(10000)) {
        if (socket.error() == QAbstractSocket::SocketTimeoutError)
            QFAIL(QString("Network timeout connecting to the server on port %1").arg(portNumber).toLocal8Bit());
        else
            QFAIL(QString("Error connecting to server on port %1: %2").arg(portNumber).arg(socket.errorString()).toLocal8Bit());
    }
    QVERIFY(socket.state() == QAbstractSocket::ConnectedState);
}

static QList<Chat> ftpChat()
{
    return QList<Chat>() << Chat::expect("220")
            << Chat::discardUntil("\r\n")
            << Chat::send("USER anonymous\r\n")
            << Chat::expect("331")
            << Chat::discardUntil("\r\n")
            << Chat::send("PASS user@hostname\r\n")
            << Chat::expect("230")
            << Chat::discardUntil("\r\n")
            << Chat::send("QUIT\r\n")
            << Chat::expect("221")
            << Chat::discardUntil("\r\n")
            << Chat::RemoteDisconnect;
}

void tst_NetworkSelfTest::ftpServer()
{
    netChat(21, ftpChat());
}

void tst_NetworkSelfTest::imapServer()
{
    netChat(143, QList<Chat>()
            << Chat::expect("* OK ")
            << Chat::discardUntil("\r\n")
            << Chat::send("1 CAPABILITY\r\n")
            << Chat::expect("* CAPABILITY ")
            << Chat::discardUntil("1 OK")
            << Chat::discardUntil("\r\n")
            << Chat::send("2 LOGOUT\r\n")
            << Chat::discardUntil("2 OK")
            << Chat::discardUntil("\r\n")
            << Chat::RemoteDisconnect);
}

void tst_NetworkSelfTest::httpServer()
{
    netChat(80, QList<Chat>()
            // HTTP/0.9 chat:
            << Chat::send("GET /\r\n")
            << Chat::DiscardUntilDisconnect

            // HTTP/1.0 chat:
            << Chat::Reconnect
            << Chat::send("GET / HTTP/1.0\r\n"
                          "Host: " + QtNetworkSettings::serverName().toLatin1() + "\r\n"
                          "Connection: close\r\n"
                          "\r\n")
            << Chat::expect("HTTP/1.")
            << Chat::discardUntil(" ")
            << Chat::expect("200 ")
            << Chat::DiscardUntilDisconnect

            // HTTP/1.0 POST:
            << Chat::Reconnect
            << Chat::send("POST / HTTP/1.0\r\n"
                          "Content-Length: 5\r\n"
                          "Host: " + QtNetworkSettings::serverName().toLatin1() + "\r\n"
                          "Connection: close\r\n"
                          "\r\n"
                          "Hello")
            << Chat::expect("HTTP/1.")
            << Chat::discardUntil(" ")
            << Chat::expect("200 ")
            << Chat::DiscardUntilDisconnect
            );
}

void tst_NetworkSelfTest::httpsServer()
{
#ifndef QT_NO_OPENSSL
    netChat(443, QList<Chat>()
            << Chat::StartEncryption
            << Chat::send("GET / HTTP/1.0\r\n"
                          "Host: " + QtNetworkSettings::serverName().toLatin1() + "\r\n"
                          "Connection: close\r\n"
                          "\r\n")
            << Chat::expect("HTTP/1.")
            << Chat::discardUntil(" ")
            << Chat::expect("200 ")
            << Chat::DiscardUntilDisconnect);
#else
    QSKIP("SSL not enabled, cannot test", SkipAll);
#endif
}

void tst_NetworkSelfTest::httpProxy()
{
    netChat(3128, QList<Chat>()
            // proxy GET
            << Chat::send("GET http://" + QtNetworkSettings::serverName().toLatin1() + "/ HTTP/1.0\r\n"
                          "Host: " + QtNetworkSettings::serverName().toLatin1() + "\r\n"
                          "Proxy-connection: close\r\n"
                          "\r\n")
            << Chat::expect("HTTP/1.")
            << Chat::discardUntil(" ")
            << Chat::expect("200 ")
            << Chat::DiscardUntilDisconnect

            // proxy CONNECT
            << Chat::Reconnect
            << Chat::send("CONNECT " + QtNetworkSettings::serverName().toLatin1() + ":21 HTTP/1.0\r\n"
                          "\r\n")
            << Chat::expect("HTTP/1.")
            << Chat::discardUntil(" ")
            << Chat::expect("200 ")
            << Chat::discardUntil("\r\n\r\n")
            << ftpChat());
}

void tst_NetworkSelfTest::httpProxyBasicAuth()
{
    netChat(3129, QList<Chat>()
            // test auth required response
            << Chat::send("GET http://" + QtNetworkSettings::serverName().toLatin1() + "/ HTTP/1.0\r\n"
                          "Host: " + QtNetworkSettings::serverName().toLatin1() + "\r\n"
                          "Proxy-connection: close\r\n"
                          "\r\n")
            << Chat::expect("HTTP/1.")
            << Chat::discardUntil(" ")
            << Chat::expect("407 ")
            << Chat::discardUntil("\r\nProxy-Authenticate: Basic realm=\"")
            << Chat::DiscardUntilDisconnect

            // now try sending our credentials
            << Chat::Reconnect
            << Chat::send("GET http://" + QtNetworkSettings::serverName().toLatin1() + "/ HTTP/1.0\r\n"
                          "Host: " + QtNetworkSettings::serverName().toLatin1() + "\r\n"
                          "Proxy-connection: close\r\n"
                          "Proxy-Authorization: Basic cXNvY2tzdGVzdDpwYXNzd29yZA==\r\n"
                          "\r\n")
            << Chat::expect("HTTP/1.")
            << Chat::discardUntil(" ")
            << Chat::expect("200 ")
            << Chat::DiscardUntilDisconnect);
}

void tst_NetworkSelfTest::httpProxyNtlmAuth()
{
    netChat(3130, QList<Chat>()
            // test auth required response
            << Chat::send("GET http://" + QtNetworkSettings::serverName().toLatin1() + "/ HTTP/1.0\r\n"
                          "Host: " + QtNetworkSettings::serverName().toLatin1() + "\r\n"
                          "Proxy-connection: keep-alive\r\n" // NTLM auth will disconnect
                          "\r\n")
            << Chat::expect("HTTP/1.")
            << Chat::discardUntil(" ")
            << Chat::expect("407 ")
            << Chat::discardUntil("\r\nProxy-Authenticate: NTLM\r\n")
            << Chat::DiscardUntilDisconnect
            );
}

// SOCKSv5 is a binary protocol
static const char handshakeNoAuth[] = "\5\1\0";
static const char handshakeOkNoAuth[] = "\5\0";
static const char handshakeAuthPassword[] = "\5\1\2\1\12qsockstest\10password";
static const char handshakeOkPasswdAuth[] = "\5\2\1\0";
static const char handshakeAuthNotOk[] = "\5\377";
static const char connect1[] = "\5\1\0\1\177\0\0\1\0\25"; // Connect IPv4 127.0.0.1 port 21
static const char connect2[] = "\5\1\0\3\11localhost\0\25"; // Connect hostname localhost 21
static const char connected[] = "\5\0\0";

void tst_NetworkSelfTest::socks5Proxy()
{
    netChat(1080, QList<Chat>()
            // IP address connection
            << Chat::send(QByteArray(handshakeNoAuth, -1 + sizeof handshakeNoAuth))
            << Chat::expect(QByteArray(handshakeOkNoAuth, -1 + sizeof handshakeOkNoAuth))
            << Chat::send(QByteArray(connect1, -1 + sizeof connect1))
            << Chat::expect(QByteArray(connected, -1 + sizeof connected))
            << Chat::expect("\1") // IPv4 address following
            << Chat::skipBytes(6) // the server's local address and port
            << ftpChat()

            // hostname connection
            << Chat::Reconnect
            << Chat::send(QByteArray(handshakeNoAuth, -1 + sizeof handshakeNoAuth))
            << Chat::expect(QByteArray(handshakeOkNoAuth, -1 + sizeof handshakeOkNoAuth))
            << Chat::send(QByteArray(connect2, -1 + sizeof connect2))
            << Chat::expect(QByteArray(connected, -1 + sizeof connected))
            << Chat::expect("\1") // IPv4 address following
            << Chat::skipBytes(6) // the server's local address and port
            << ftpChat()
            );
}

void tst_NetworkSelfTest::socks5ProxyAuth()
{
    netChat(1081, QList<Chat>()
            // unauthenticated connect -- will get error
            << Chat::send(QByteArray(handshakeNoAuth, -1 + sizeof handshakeNoAuth))
            << Chat::expect(QByteArray(handshakeAuthNotOk, -1 + sizeof handshakeAuthNotOk))
            << Chat::RemoteDisconnect

            // now try to connect with authentication
            << Chat::Reconnect
            << Chat::send(QByteArray(handshakeAuthPassword, -1 + sizeof handshakeAuthPassword))
            << Chat::expect(QByteArray(handshakeOkPasswdAuth, -1 + sizeof handshakeOkPasswdAuth))
            << Chat::send(QByteArray(connect1, -1 + sizeof connect1))
            << Chat::expect(QByteArray(connected, -1 + sizeof connected))
            << Chat::expect("\1") // IPv4 address following
            << Chat::skipBytes(6) // the server's local address and port
            << ftpChat()
            );
}

QTEST_MAIN(tst_NetworkSelfTest)
#include "tst_networkselftest.moc"