Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tree: 863f1ea310
Fetching contributors…

Cannot retrieve contributors at this time

file 554 lines (447 sloc) 12.909 kb
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
/*
Copyright (C) 2010 Jonathan Beck <jonabeck@gmail.com>

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License (LGPL) as published by the Free Software Foundation;
either version 2 of the License, or (at your option) any later
version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/

#include "kio_afc.h"
#include <QtCore/QCoreApplication>
#include <QtCore/QDir>
#include <kcomponentdata.h>
#include <kglobal.h>
#include <kdebug.h>
#include <kurl.h>

#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>


#define KIO_AFC 7002

static void device_callback(const idevice_event_t *event, void *user_data)
{
    AfcProtocol* afcProto = static_cast<AfcProtocol*>(user_data);
    afcProto->ProcessEvent(event);
}


using namespace KIO;

extern "C" int KDE_EXPORT kdemain( int argc, char **argv )
{
    QCoreApplication app( argc, argv ); // needed for QSocketNotifier
    KComponentData componentData( "kio_afc" );
    ( void ) KGlobal::locale();

    if (argc != 4)
    {
        fprintf(stderr, "Usage: kio_afc protocol domain-socket1 domain-socket2\n");
        exit(-1);
    }

    AfcProtocol slave(argv[2], argv[3]);
    slave.dispatchLoop();

    kDebug(KIO_AFC) << "Done";
    return 0;
}

QString AfcProtocol::m_user = QString();
QString AfcProtocol::m_group = QString();

AfcProtocol::AfcProtocol( const QByteArray &pool, const QByteArray &app )
    : SlaveBase( "afc", pool, app ), _opened_device(NULL)
{
    //store current user and group since AFC does not handle permissions
    struct passwd *user = getpwuid( getuid() );
    if ( user )
        m_user = QString::fromLatin1(user->pw_name);

    struct group *grp = getgrgid( getgid() );
    if ( grp )
        m_group = QString::fromLatin1(grp->gr_name);

    char** devices = NULL;
    int nbDevices = 0;

    idevice_get_device_list (&devices, &nbDevices);

    for (int i = 0; i < nbDevices; i++)
    {
        AfcDevice* dev = new AfcDevice ( devices[i], this );
        if (dev->isValid())
        {
            _devices.insert( QString(devices[i]), dev);
        }
        else
            delete dev;
    }

    idevice_device_list_free (devices);

    idevice_event_subscribe (device_callback, this);
}

AfcProtocol::~AfcProtocol()
{
    QHash<QString, AfcDevice*>::const_iterator i = _devices.constBegin();
    while (i != _devices.constEnd()) {
        delete i.value();
        ++i;
    }
    idevice_event_unsubscribe ();
}

void AfcProtocol::ProcessEvent(const idevice_event_t *event)
{
    if ( IDEVICE_DEVICE_ADD == event->event )
    {
        kDebug(KIO_AFC) << "IDEVICE_DEVICE_ADD";

        AfcDevice* dev = new AfcDevice ( event->uuid, this );
        if (dev->isValid())
        {
            _devices.insert( QString(event->uuid), dev);
        }
        else
            delete dev;
    }
    else if ( IDEVICE_DEVICE_REMOVE == event->event )
    {
        kDebug(KIO_AFC) << "IDEVICE_DEVICE_REMOVE";

        AfcDevice* dev = _devices[QString(event->uuid)];
        delete dev;
        _devices.remove(QString(event->uuid));
    }
}

AfcPath AfcProtocol::checkURL( const KUrl& url )
{
    kDebug(KIO_AFC) << "checkURL " << url;
    QString surl = url.url();
    if (surl.startsWith(QLatin1String("afc:")))
    {
        if (surl.length() == 4)
        {
            // just the above
            kDebug(KIO_AFC) << "checkURL return1 " << surl << " " << url;
            return AfcPath("","");
        }

        QString path = QDir::cleanPath( url.path() );
        AfcPath p ( path.mid(1,40), path.mid(41) );
        if ( p.m_path == "" ) p.m_path = "/"; //make sure we start at root
        kDebug(KIO_AFC) << "checkURL return2 " << surl << " " << p;
        return p;
    }

    kDebug(KIO_AFC) << "checkURL return 3 ";
    return AfcPath("","");
}


void AfcProtocol::get( const KUrl& url )
{
    kDebug(KIO_AFC) << url;

    // check (correct) URL
    const AfcPath& path= checkURL(url);

    kDebug(KIO_AFC) << "path :" << path;
    //root case
    if ( path.isRoot() )
    {
        error(KIO::ERR_IS_DIRECTORY, "/");
        return;
    }

    AfcDevice* dev = _devices[path.m_host];

    if ( NULL != dev )
    {
        KIO::Error err;
        if ( !dev->get(path.m_path, err) )
        {
            error (err, path.m_path);
            return;
        }
    }
    else
    {
        error (KIO::ERR_DOES_NOT_EXIST, path.m_path);
        return;
    }

    finished();
}



void AfcProtocol::put( const KUrl& url, int _mode,
                       KIO::JobFlags _flags )
{
    kDebug(KIO_AFC) << url;

    // check (correct) URL
    const AfcPath& path= checkURL(url);

    kDebug(KIO_AFC) << "path :" << path;
    //root case
    if ( path.isRoot() )
    {
        error(KIO::ERR_IS_DIRECTORY, "/");
        return;
    }

    AfcDevice* dev = _devices[path.m_host];

    if ( NULL != dev )
    {
        KIO::Error err;
        if ( !dev->put(path.m_path, _flags, err ) )
        {
            error (err, path.m_path);
            return;
        }
    }
    else
    {
        error (KIO::ERR_DOES_NOT_EXIST, path.m_path);
        return;
    }

    finished();
}

void AfcProtocol::rename( const KUrl &src, const KUrl &dest,
                          KIO::JobFlags flags )
{
    kDebug(KIO_AFC) << src << "to " << dest;

    // check (correct) URL
    const AfcPath path_src = checkURL(src);
    const AfcPath path_dest = checkURL(dest);

    //make sue we are on the same device

    if ( path_src.m_host == path_dest.m_host )
    {
        AfcDevice* device = _devices[path_src.m_host];

        if ( NULL == device )
        {
            error(KIO::ERR_DOES_NOT_EXIST, "Could not find specified device");
            return;
        }

        KIO::Error err;
        if ( ! device->rename(path_src.m_path, path_dest.m_path, flags, err ) )
        {
            error(err, path_src.m_path);
            return;
        }
    }
    else
    {
        error ( KIO::ERR_CANNOT_RENAME, "Cannot rename on different device");
        return;
    }
    finished();
}

void AfcProtocol::symlink( const QString &target, const KUrl &dest,
                           KIO::JobFlags flags )
{
    kDebug(KIO_AFC) << target << "to " << dest;

    // check (correct) URL
    const AfcPath path_dest = checkURL(dest);

    //make sue we are on the same device

    if ( target.contains( path_dest.m_host, Qt::CaseSensitive ) )
    {
        AfcDevice* device = _devices[path_dest.m_host];

        if ( NULL == device )
        {
            error(KIO::ERR_DOES_NOT_EXIST, "Could not find specified device");
            return;
        }

        QString src = target;
        src.remove("/" + path_dest.m_host, Qt::CaseSensitive );

        KIO::Error err;
        if ( ! device->symlink(src, path_dest.m_path, flags, err ) )
        {
            error(err, target);
            return;
        }
    }
    else
    {
        error ( KIO::ERR_CANNOT_SYMLINK, "Cannot symlink on different device");
        return;
    }
    finished();
}


void AfcProtocol::stat( const KUrl& url )
{
    kDebug(KIO_AFC) << url;

    // check (correct) URL
    const AfcPath path = checkURL(url);

    kDebug(KIO_AFC) << "cleaned path=" << path;

    // We can't stat root, but we know it's a dir.
    if( path.isRoot() )
    {
        UDSEntry entry;
        //entry.insert( KIO::UDSEntry::UDS_NAME, UDSField( QString() ) );
        entry.insert( KIO::UDSEntry::UDS_NAME, QString::fromLatin1( "." ) );
        entry.insert( KIO::UDSEntry::UDS_FILE_TYPE, S_IFDIR );
        entry.insert( KIO::UDSEntry::UDS_ACCESS, S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH );
        entry.insert( KIO::UDSEntry::UDS_USER, QString::fromLatin1( "root" ) );
        entry.insert( KIO::UDSEntry::UDS_GROUP, QString::fromLatin1( "root" ) );
        // no size

        statEntry( entry );
        finished();
        return;
    }

    AfcDevice* device = _devices[path.m_host];

    if ( NULL == device )
    {
        error(KIO::ERR_DOES_NOT_EXIST, "Could not find specified device");
        return;
    }


    KIO::Error err;
    if ( ! device->stat(url.fileName() ,path.m_path, err ) )
    {
        error(KIO::ERR_DOES_NOT_EXIST, path.m_path);
        return;
    }

    finished();
}

void AfcProtocol::listDir( const KUrl& url )
{
    kDebug(KIO_AFC) << url;

    // check (correct) URL
    const AfcPath path = checkURL(url);

    if ( path.isRoot() )
    {
        //root case if only one device plugged, then redirect
        //otherwise display all devices

        QHash<QString, AfcDevice*>::const_iterator i = _devices.constBegin();

// if (_devices.size() == 1)
// {
// KUrl newUrl ( kurl.url() + "/" + i.key() );
// redirection(newUrl);
// finished();
// return;
// }
// else
// {
        while (i != _devices.constEnd())
        {
            AfcDevice* dev = i.value();
            UDSEntry entry;
            dev->createRootUDSEntry(entry);
            listEntry( entry, false );
            ++i;
        }
// }
        listEntry(UDSEntry(), true);
    }
    else
    {
        AfcDevice* device = _devices[path.m_host];

        if ( NULL == device )
        {
            error(KIO::ERR_DOES_NOT_EXIST, "Could not find specified device");
            return;
        }

        KIO::Error err;
        if ( !device->listDir(path.m_path, err) )
        {
            error ( err, path.m_path );
            return;
        }
    }
    finished();
}

void AfcProtocol::mkdir( const KUrl& url, int permissions )
{
    kDebug(KIO_AFC) << url;

    // check (correct) URL
    const AfcPath path = checkURL(url);

    AfcDevice* device = _devices[path.m_host];

    if ( NULL == device )
    {
        error(KIO::ERR_DOES_NOT_EXIST, "Could not find specified device");
        return;
    }

    KIO::Error err;
    if ( ! device->mkdir(path.m_path, err ) )
    {
        error(err, path.m_path);
        return;
    }

    finished();
}

void AfcProtocol::setModificationTime( const KUrl& url, const QDateTime& mtime )
{
    kDebug(KIO_AFC) << url << " time: " << mtime;

    // check (correct) URL
    const AfcPath path = checkURL(url);

    AfcDevice* device = _devices[path.m_host];

    if ( NULL == device )
    {
        error(KIO::ERR_DOES_NOT_EXIST, "Could not find specified device");
        return;
    }

    KIO::Error err;
    if ( ! device->setModificationTime(path.m_path, mtime, err ) )
    {
        error(err, path.m_path);
        return;
    }

    finished();
}

void AfcProtocol::del( const KUrl& url, bool isfile)
{
    kDebug(KIO_AFC) << url;

    // check (correct) URL
    const AfcPath path = checkURL(url);

    AfcDevice* device = _devices[path.m_host];

    if ( NULL == device )
    {
        error(KIO::ERR_DOES_NOT_EXIST, "Could not find specified device");
        return;
    }

    KIO::Error err;
    if ( ! device->del(path.m_path, err ) )
    {
        error(err, path.m_path);
        return;
    }

    finished();
}

void AfcProtocol::open( const KUrl &url, QIODevice::OpenMode mode )
{
    kDebug(KIO_AFC) << url;

    // check (correct) URL
    const AfcPath path = checkURL(url);

    _opened_device = _devices[path.m_host];

    if ( NULL == _opened_device )
    {
        error(KIO::ERR_DOES_NOT_EXIST, "Could not find specified device");
        return;
    }

    KIO::Error err;
    if ( ! _opened_device->open(path.m_path, mode, err ) )
    {
        error(err, path.m_path);
        return;
    }
    else
    {
        emit opened();
    }
}

void AfcProtocol::read( KIO::filesize_t size )
{
    Q_ASSERT(_opened_device != NULL);

    KIO::Error err;
    if ( !_opened_device->read(size,err) )
    {
        error (err, "Error while reading");
        return;
    }
}

void AfcProtocol::write( const QByteArray &data )
{
    Q_ASSERT(_opened_device != NULL);

    KIO::Error err;
    if ( !_opened_device->write(data,err) )
    {
        error (err, "Error while writing");
        return;
    }
}

void AfcProtocol::seek( KIO::filesize_t offset )
{
    Q_ASSERT(_opened_device != NULL);

    KIO::Error err;
    if ( !_opened_device->seek(offset,err) )
    {
        error (err, "Error while seeking");
        return;
    }
}

void AfcProtocol::close()
{
    Q_ASSERT(_opened_device != NULL);
    _opened_device->close();
    _opened_device = NULL;
    finished();
}


#include "kio_afc.moc"
Something went wrong with that request. Please try again.