summaryrefslogtreecommitdiffstats
path: root/src/plugins/bearer/icd/proxyconf.cpp
blob: 904fabca942486f0c7a825290d5825217a196dcf (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
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/


#include <QVariant>
#include <QStringList>
#include <QDebug>
#include <QWriteLocker>
#include <QNetworkProxyFactory>
#include <QNetworkProxy>
#include <gconf/gconf-value.h>
#include <gconf/gconf-client.h>
#include "proxyconf.h"

#define CONF_PROXY "/system/proxy"
#define HTTP_PROXY "/system/http_proxy"


namespace Maemo {

static QString convertKey(const char *key)
{
    return QString::fromUtf8(key);
}

static QVariant convertValue(GConfValue *src)
{
    if (!src) {
        return QVariant();
    } else {
        switch (src->type) {
        case GCONF_VALUE_INVALID:
            return QVariant(QVariant::Invalid);
        case GCONF_VALUE_BOOL:
            return QVariant((bool)gconf_value_get_bool(src));
        case GCONF_VALUE_INT:
            return QVariant(gconf_value_get_int(src));
        case GCONF_VALUE_FLOAT:
            return QVariant(gconf_value_get_float(src));
        case GCONF_VALUE_STRING:
            return QVariant(QString::fromUtf8(gconf_value_get_string(src)));
        case GCONF_VALUE_LIST:
            switch (gconf_value_get_list_type(src)) {
            case GCONF_VALUE_STRING:
                {
                    QStringList result;
                    for (GSList *elts = gconf_value_get_list(src); elts; elts = elts->next)
                        result.append(QString::fromUtf8(gconf_value_get_string((GConfValue *)elts->data)));
                    return QVariant(result);
                }
            default:
                {
                    QList<QVariant> result;
                    for (GSList *elts = gconf_value_get_list(src); elts; elts = elts->next)
                        result.append(convertValue((GConfValue *)elts->data));
                    return QVariant(result);
                }
            }
        case GCONF_VALUE_SCHEMA:
        default:
            return QVariant();
        }
    }
}


/* Fast version of GConfItem, allows reading subtree at a time */
class GConfItemFast {
public:
  GConfItemFast(const QString &k) : key(k) {}
  QHash<QString,QVariant> getEntries() const;

private:
  QString key;
};

#define withClient(c) for (GConfClient *c = gconf_client_get_default(); c; c=0)


QHash<QString,QVariant> GConfItemFast::getEntries() const
{
    QHash<QString,QVariant> children;

    withClient(client) {
        QByteArray k = key.toUtf8();
        GSList *entries = gconf_client_all_entries(client, k.data(), NULL);
        for (GSList *e = entries; e; e = e->next) {
	    char *key_name = strrchr(((GConfEntry *)e->data)->key, '/');
	    if (!key_name)
	        key_name = ((GConfEntry *)e->data)->key;
	    else
	        key_name++;
	    QString key(convertKey(key_name));
	    QVariant value = convertValue(((GConfEntry *)e->data)->value);
	    gconf_entry_unref((GConfEntry *)e->data);
	    //qDebug()<<"key="<<key<<"value="<<value;
	    children.insert(key, value);
        }
        g_slist_free (entries);
    }

    return children;
}



class NetworkProxyFactory : QNetworkProxyFactory
{
    ProxyConf proxy_conf;
    bool proxy_data_read;

public:
    NetworkProxyFactory() : proxy_data_read(false) {  }
    QList<QNetworkProxy> queryProxy(const QNetworkProxyQuery &query = QNetworkProxyQuery());
};


QList<QNetworkProxy> NetworkProxyFactory::queryProxy(const QNetworkProxyQuery &query)
{
    if (proxy_data_read == false) {
        proxy_data_read = true;
        proxy_conf.readProxyData();
    }

    QList<QNetworkProxy> result = proxy_conf.flush(query);
    if (result.isEmpty())
        result << QNetworkProxy::NoProxy;

    return result;
}


class ProxyConfPrivate {
private:
    // proxy values from gconf
    QString mode;
    bool use_http_host;
    QString autoconfig_url;
    QString http_proxy;
    quint16 http_port;
    QList<QVariant> ignore_hosts;
    QString secure_host;
    quint16 secure_port;
    QString ftp_host;
    quint16 ftp_port;
    QString socks_host;
    quint16 socks_port;
    QString rtsp_host;
    quint16 rtsp_port;

    bool isHostExcluded(const QString &host);

public:
    QString prefix;
    QString http_prefix;

    void readProxyData();
    QList<QNetworkProxy> flush(const QNetworkProxyQuery &query);
};


static QHash<QString,QVariant> getValues(const QString& prefix)
{
    GConfItemFast item(prefix);
    return item.getEntries();
}

static QHash<QString,QVariant> getHttpValues(const QString& prefix)
{
    GConfItemFast item(prefix);
    return item.getEntries();
}

#define GET(var, type)				\
  do {						\
    QVariant v = values.value(#var);		\
    if (v.isValid())				\
      var = v.to##type ();			\
  } while(0)

#define GET_HTTP(var, name, type)		\
  do {						\
    QVariant v = httpValues.value(#name);	\
    if (v.isValid())				\
      var = v.to##type ();			\
  } while(0)


void ProxyConfPrivate::readProxyData()
{
    QHash<QString,QVariant> values = getValues(prefix);
    QHash<QString,QVariant> httpValues = getHttpValues(http_prefix);

    //qDebug()<<"values="<<values;

    /* Read the proxy settings from /system/proxy* */
    GET_HTTP(http_proxy, host, String);
    GET_HTTP(http_port, port, Int);
    GET_HTTP(ignore_hosts, ignore_hosts, List);

    GET(mode, String);
    GET(autoconfig_url, String);
    GET(secure_host, String);
    GET(secure_port, Int);
    GET(ftp_host, String);
    GET(ftp_port, Int);
    GET(socks_host, String);
    GET(socks_port, Int);
    GET(rtsp_host, String);
    GET(rtsp_port, Int);

    if (http_proxy.isEmpty())
        use_http_host = false;
    else
        use_http_host = true;
}


bool ProxyConfPrivate::isHostExcluded(const QString &host)
{
    if (host.isEmpty())
        return true;

    if (ignore_hosts.isEmpty())
        return false;

    QHostAddress ipAddress;
    bool isIpAddress = ipAddress.setAddress(host);

    foreach (QVariant h, ignore_hosts) {
        QString entry = h.toString();
        if (isIpAddress && ipAddress.isInSubnet(QHostAddress::parseSubnet(entry))) {
            return true;  // excluded
        } else {
            // do wildcard matching
            QRegExp rx(entry, Qt::CaseInsensitive, QRegExp::Wildcard);
            if (rx.exactMatch(host))
                return true;
        }
    }

    // host was not excluded
    return false;
}


QList<QNetworkProxy> ProxyConfPrivate::flush(const QNetworkProxyQuery &query)
{
    QList<QNetworkProxy> result;

#if 0
    qDebug()<<"http_proxy" << http_proxy;
    qDebug()<<"http_port" << http_port;
    qDebug()<<"ignore_hosts" << ignore_hosts;
    qDebug()<<"use_http_host" << use_http_host;
    qDebug()<<"mode" << mode;
    qDebug()<<"autoconfig_url" << autoconfig_url;
    qDebug()<<"secure_host" << secure_host;
    qDebug()<<"secure_port" << secure_port;
    qDebug()<<"ftp_host" << ftp_host;
    qDebug()<<"ftp_port" << ftp_port;
    qDebug()<<"socks_host" << socks_host;
    qDebug()<<"socks_port" << socks_port;
    qDebug()<<"rtsp_host" << rtsp_host;
    qDebug()<<"rtsp_port" << rtsp_port;
#endif

    if (isHostExcluded(query.peerHostName()))
        return result;          // no proxy for this host

    if (mode == QLatin1String("AUTO")) {
        // TODO: pac currently not supported, fix me
        return result;
    }

    if (mode == QLatin1String("MANUAL")) {
        bool isHttps = false;
	QString protocol = query.protocolTag().toLower();

	// try the protocol-specific proxy
	QNetworkProxy protocolSpecificProxy;

	if (protocol == QLatin1String("ftp")) {
	    if (!ftp_host.isEmpty()) {
	        protocolSpecificProxy.setType(QNetworkProxy::FtpCachingProxy);
		protocolSpecificProxy.setHostName(ftp_host);
		protocolSpecificProxy.setPort(ftp_port);
	    }
	} else if (protocol == QLatin1String("http")) {
	    if (!http_proxy.isEmpty()) {
	        protocolSpecificProxy.setType(QNetworkProxy::HttpProxy);
		protocolSpecificProxy.setHostName(http_proxy);
		protocolSpecificProxy.setPort(http_port);
	    }
	} else if (protocol == QLatin1String("https")) {
	    isHttps = true;
	    if (!secure_host.isEmpty()) {
	        protocolSpecificProxy.setType(QNetworkProxy::HttpProxy);
		protocolSpecificProxy.setHostName(secure_host);
		protocolSpecificProxy.setPort(secure_port);
	    }
	}

	if (protocolSpecificProxy.type() != QNetworkProxy::DefaultProxy)
	    result << protocolSpecificProxy;


        if (!socks_host.isEmpty()) {
	    QNetworkProxy proxy;
	    proxy.setType(QNetworkProxy::Socks5Proxy);
	    proxy.setHostName(socks_host);
	    proxy.setPort(socks_port);
	    result << proxy;
	}


	// Add the HTTPS proxy if present (and if we haven't added yet)
	if (!isHttps) {
	    QNetworkProxy https;
	    if (!secure_host.isEmpty()) {
	        https.setType(QNetworkProxy::HttpProxy);
		https.setHostName(secure_host);
		https.setPort(secure_port);
	    }

	    if (https.type() != QNetworkProxy::DefaultProxy &&
		https != protocolSpecificProxy)
	        result << https;
	}
    }

    return result;
}


ProxyConf::ProxyConf()
    : d_ptr(new ProxyConfPrivate)
{
    g_type_init();
    d_ptr->prefix = CONF_PROXY;
    d_ptr->http_prefix = HTTP_PROXY;
}

ProxyConf::~ProxyConf()
{
    delete d_ptr;
}

void ProxyConf::readProxyData()
{
    d_ptr->readProxyData();
}

QList<QNetworkProxy> ProxyConf::flush(const QNetworkProxyQuery &query)
{
    return d_ptr->flush(query);
}


static int refcount = 0;
static QReadWriteLock lock;

void ProxyConf::update()
{
    QWriteLocker locker(&lock);
    NetworkProxyFactory *factory = new NetworkProxyFactory();
    QNetworkProxyFactory::setApplicationProxyFactory((QNetworkProxyFactory*)factory);
    refcount++;
}


void ProxyConf::clear(void)
{
    QWriteLocker locker(&lock);
    refcount--;
    if (refcount == 0)
        QNetworkProxyFactory::setApplicationProxyFactory(NULL);

    if (refcount<0)
        refcount = 0;
}


} // namespace Maemo