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00025 #include "config.h"
00026
00027
00028 #include <sys/types.h>
00029 #include <sys/socket.h>
00030 #include <errno.h>
00031 #include <netdb.h>
00032 #include <time.h>
00033 #include <arpa/inet.h>
00034 #include <netinet/in.h>
00035
00036
00037 #include <qapplication.h>
00038 #include <qstring.h>
00039 #include <qcstring.h>
00040 #include <qstrlist.h>
00041 #include <qstringlist.h>
00042 #include <qshared.h>
00043 #include <qdatetime.h>
00044 #include <qtimer.h>
00045 #include <qmutex.h>
00046 #include <qguardedptr.h>
00047
00048
00049 #ifdef HAVE_IDNA_H
00050 # include <idna.h>
00051 #endif
00052
00053
00054 #include <klocale.h>
00055
00056
00057 #include "kresolver.h"
00058 #include "kresolver_p.h"
00059 #include "ksocketaddress.h"
00060
00061 using namespace KNetwork;
00062 using namespace KNetwork::Internal;
00063
00065
00066
00067 class KNetwork::KResolverEntryPrivate: public QShared
00068 {
00069 public:
00070 KSocketAddress addr;
00071 int socktype;
00072 int protocol;
00073 QString canonName;
00074 QCString encodedName;
00075
00076 inline KResolverEntryPrivate() :
00077 socktype(0), protocol(0)
00078 { }
00079 };
00080
00081
00082 KResolverEntry::KResolverEntry() :
00083 d(0L)
00084 {
00085 }
00086
00087
00088 KResolverEntry::KResolverEntry(const KSocketAddress& addr, int socktype, int protocol,
00089 const QString& canonName, const QCString& encodedName) :
00090 d(new KResolverEntryPrivate)
00091 {
00092 d->addr = addr;
00093 d->socktype = socktype;
00094 d->protocol = protocol;
00095 d->canonName = canonName;
00096 d->encodedName = encodedName;
00097 }
00098
00099
00100 KResolverEntry::KResolverEntry(const struct sockaddr* sa, Q_UINT16 salen, int socktype,
00101 int protocol, const QString& canonName,
00102 const QCString& encodedName) :
00103 d(new KResolverEntryPrivate)
00104 {
00105 d->addr = KSocketAddress(sa, salen);
00106 d->socktype = socktype;
00107 d->protocol = protocol;
00108 d->canonName = canonName;
00109 d->encodedName = encodedName;
00110 }
00111
00112
00113 KResolverEntry::KResolverEntry(const KResolverEntry& that) :
00114 d(0L)
00115 {
00116 *this = that;
00117 }
00118
00119
00120 KResolverEntry::~KResolverEntry()
00121 {
00122 if (d == 0L)
00123 return;
00124
00125 if (d->deref())
00126 delete d;
00127 }
00128
00129
00130 KSocketAddress KResolverEntry::address() const
00131 {
00132 return d ? d->addr : KSocketAddress();
00133 }
00134
00135
00136 Q_UINT16 KResolverEntry::length() const
00137 {
00138 return d ? d->addr.length() : 0;
00139 }
00140
00141
00142 int KResolverEntry::family() const
00143 {
00144 return d ? d->addr.family() : AF_UNSPEC;
00145 }
00146
00147
00148 QString KResolverEntry::canonicalName() const
00149 {
00150 return d ? d->canonName : QString::null;
00151 }
00152
00153
00154 QCString KResolverEntry::encodedName() const
00155 {
00156 return d ? d->encodedName : QCString();
00157 }
00158
00159
00160 int KResolverEntry::socketType() const
00161 {
00162 return d ? d->socktype : 0;
00163 }
00164
00165
00166 int KResolverEntry::protocol() const
00167 {
00168 return d ? d->protocol : 0;
00169 }
00170
00171
00172 KResolverEntry& KResolverEntry::operator= (const KResolverEntry& that)
00173 {
00174
00175 if (that.d)
00176 that.d->ref();
00177
00178 if (d && d->deref())
00179 delete d;
00180
00181 d = that.d;
00182 return *this;
00183 }
00184
00186
00187
00188 class KNetwork::KResolverResultsPrivate: public QShared
00189 {
00190 public:
00191 QString node, service;
00192 int errorcode, syserror;
00193
00194 KResolverResultsPrivate() :
00195 errorcode(0), syserror(0)
00196 { }
00197
00198
00199
00200 inline void dup(KResolverResultsPrivate*& d)
00201 {
00202 if (!d->count > 1)
00203 {
00204 d->deref();
00205 KResolverResultsPrivate *e = new KResolverResultsPrivate(*d);
00206 e->count = 1;
00207 d = e;
00208 }
00209 }
00210 };
00211
00212
00213 KResolverResults::KResolverResults()
00214 : d(new KResolverResultsPrivate)
00215 {
00216 }
00217
00218
00219 KResolverResults::KResolverResults(const KResolverResults& other)
00220 : QValueList<KResolverEntry>(other), d(other.d)
00221 {
00222 d->ref();
00223 }
00224
00225
00226 KResolverResults::~KResolverResults()
00227 {
00228 if (d->deref())
00229 delete d;
00230 }
00231
00232
00233 KResolverResults&
00234 KResolverResults::operator= (const KResolverResults& other)
00235 {
00236 other.d->ref();
00237
00238
00239 if (d->deref())
00240 delete d;
00241
00242
00243 d = other.d;
00244
00245
00246 QValueList<KResolverEntry>::operator =(other);
00247
00248 return *this;
00249 }
00250
00251
00252 int KResolverResults::error() const
00253 {
00254 return d->errorcode;
00255 }
00256
00257
00258 int KResolverResults::systemError() const
00259 {
00260 return d->syserror;
00261 }
00262
00263
00264 void KResolverResults::setError(int errorcode, int systemerror)
00265 {
00266 d->dup(d);
00267
00268 d->errorcode = errorcode;
00269 d->syserror = systemerror;
00270 }
00271
00272
00273 QString KResolverResults::nodeName() const
00274 {
00275 return d->node;
00276 }
00277
00278
00279 QString KResolverResults::serviceName() const
00280 {
00281 return d->service;
00282 }
00283
00284
00285 void KResolverResults::setAddress(const QString& node,
00286 const QString& service)
00287 {
00288 d->dup(d);
00289
00290 d->node = node;
00291 d->service = service;
00292 }
00293
00294 void KResolverResults::virtual_hook( int, void* )
00295 { }
00296
00297
00299
00300
00301
00302 KResolver::KResolver(QObject *parent, const char *name)
00303 : QObject(parent, name), d(new KResolverPrivate(this))
00304 {
00305 }
00306
00307
00308 KResolver::KResolver(const QString& nodename, const QString& servicename,
00309 QObject *parent, const char *name)
00310 : QObject(parent, name), d(new KResolverPrivate(this, nodename, servicename))
00311 {
00312 }
00313
00314
00315 KResolver::~KResolver()
00316 {
00317
00318
00319 KResolverManager::manager()->aboutToBeDeleted(this);
00320 d = 0L;
00321 }
00322
00323
00324 int KResolver::status() const
00325 {
00326 return d->status;
00327 }
00328
00329
00330 int KResolver::error() const
00331 {
00332 return d->errorcode;
00333 }
00334
00335
00336 int KResolver::systemError() const
00337 {
00338 return d->syserror;
00339 }
00340
00341
00342 bool KResolver::isRunning() const
00343 {
00344 return d->status > 0 && d->status < Success;
00345 }
00346
00347
00348 QString KResolver::nodeName() const
00349 {
00350 return d->input.node;
00351 }
00352
00353
00354 QString KResolver::serviceName() const
00355 {
00356 return d->input.service;
00357 }
00358
00359
00360 void KResolver::setNodeName(const QString& nodename)
00361 {
00362
00363 if (!isRunning())
00364 {
00365 d->input.node = nodename;
00366 d->status = Idle;
00367 d->results.setAddress(nodename, d->input.service);
00368 }
00369 }
00370
00371
00372 void KResolver::setServiceName(const QString& service)
00373 {
00374
00375 if (!isRunning())
00376 {
00377 d->input.service = service;
00378 d->status = Idle;
00379 d->results.setAddress(d->input.node, service);
00380 }
00381 }
00382
00383
00384 void KResolver::setAddress(const QString& nodename, const QString& service)
00385 {
00386 setNodeName(nodename);
00387 setServiceName(service);
00388 }
00389
00390
00391 int KResolver::flags() const
00392 {
00393 return d->input.flags;
00394 }
00395
00396
00397 int KResolver::setFlags(int flags)
00398 {
00399 int oldflags = d->input.flags;
00400 if (!isRunning())
00401 {
00402 d->input.flags = flags;
00403 d->status = Idle;
00404 }
00405 return oldflags;
00406 }
00407
00408
00409 void KResolver::setFamily(int families)
00410 {
00411 if (!isRunning())
00412 {
00413 d->input.familyMask = families;
00414 d->status = Idle;
00415 }
00416 }
00417
00418
00419 void KResolver::setSocketType(int type)
00420 {
00421 if (!isRunning())
00422 {
00423 d->input.socktype = type;
00424 d->status = Idle;
00425 }
00426 }
00427
00428
00429 void KResolver::setProtocol(int protonum, const char *name)
00430 {
00431 if (isRunning())
00432 return;
00433
00434
00435
00436
00437
00438
00439 d->input.protocolName = name;
00440 if (protonum == 0 && name != 0L && *name != '\0')
00441 {
00442
00443 d->input.protocol = KResolver::protocolNumber(name);
00444 }
00445 else
00446 d->input.protocol = protonum;
00447 d->status = Idle;
00448 }
00449
00450 bool KResolver::start()
00451 {
00452 if (!isRunning())
00453 {
00454 d->results.empty();
00455 d->emitSignal = true;
00456
00457
00458 if (d->input.node.isEmpty() && d->input.service.isEmpty())
00459 {
00460 d->status = KResolver::Success;
00461 emitFinished();
00462 }
00463 else
00464 KResolverManager::manager()->enqueue(this, 0L);
00465 }
00466
00467 return true;
00468 }
00469
00470 bool KResolver::wait(int msec)
00471 {
00472 if (!isRunning())
00473 {
00474 emitFinished();
00475 return true;
00476 }
00477
00478 QMutexLocker locker(&d->mutex);
00479
00480 if (!isRunning())
00481 return true;
00482 else
00483 {
00484 QTime t;
00485 t.start();
00486
00487 while (!msec || t.elapsed() < msec)
00488 {
00489
00490 d->waiting = true;
00491 if (msec)
00492 KResolverManager::manager()->notifyWaiters.wait(&d->mutex, msec - t.elapsed());
00493 else
00494 KResolverManager::manager()->notifyWaiters.wait(&d->mutex);
00495
00496
00497
00498 if (!isRunning())
00499 {
00500
00501 d->waiting = false;
00502 emitFinished();
00503 return true;
00504 }
00505 }
00506
00507
00508 d->waiting = false;
00509 return false;
00510 }
00511 }
00512
00513 void KResolver::cancel(bool emitSignal)
00514 {
00515 d->emitSignal = emitSignal;
00516 KResolverManager::manager()->dequeue(this);
00517 }
00518
00519 KResolverResults
00520 KResolver::results() const
00521 {
00522 if (!isRunning())
00523 return d->results;
00524
00525
00526 KResolverResults r;
00527 r.setAddress(d->input.node, d->input.service);
00528 r.setError(d->errorcode, d->syserror);
00529 return r;
00530 }
00531
00532 bool KResolver::event(QEvent* e)
00533 {
00534 if (static_cast<int>(e->type()) == KResolverManager::ResolutionCompleted)
00535 {
00536 emitFinished();
00537 return true;
00538 }
00539
00540 return false;
00541 }
00542
00543 void KResolver::emitFinished()
00544 {
00545 if (isRunning())
00546 d->status = KResolver::Success;
00547
00548 QGuardedPtr<QObject> p = this;
00549
00550 if (d->emitSignal)
00551 emit finished(d->results);
00552
00553 if (p && d->deleteWhenDone)
00554 deleteLater();
00555 }
00556
00557 QString KResolver::errorString(int errorcode, int syserror)
00558 {
00559
00560 static const char * const messages[] =
00561 {
00562 I18N_NOOP("no error"),
00563 I18N_NOOP("requested family not supported for this host name"),
00564 I18N_NOOP("temporary failure in name resolution"),
00565 I18N_NOOP("non-recoverable failure in name resolution"),
00566 I18N_NOOP("invalid flags"),
00567 I18N_NOOP("memory allocation failure"),
00568 I18N_NOOP("name or service not known"),
00569 I18N_NOOP("requested family not supported"),
00570 I18N_NOOP("requested service not supported for this socket type"),
00571 I18N_NOOP("requested socket type not supported"),
00572 I18N_NOOP("unknown error"),
00573 I18N_NOOP2("1: the i18n'ed system error code, from errno",
00574 "system error: %1")
00575 };
00576
00577
00578 if (errorcode == Canceled)
00579 return i18n("request was canceled");
00580
00581 if (errorcode > 0 || errorcode < SystemError)
00582 return QString::null;
00583
00584 QString msg = i18n(messages[-errorcode]);
00585 if (errorcode == SystemError)
00586 msg.arg(QString::fromLocal8Bit(strerror(syserror)));
00587
00588 return msg;
00589 }
00590
00591 KResolverResults
00592 KResolver::resolve(const QString& host, const QString& service, int flags,
00593 int families)
00594 {
00595 KResolver qres(host, service, qApp, "synchronous KResolver");
00596 qres.setFlags(flags);
00597 qres.setFamily(families);
00598 qres.start();
00599 qres.wait();
00600 return qres.results();
00601 }
00602
00603 bool KResolver::resolveAsync(QObject* userObj, const char *userSlot,
00604 const QString& host, const QString& service,
00605 int flags, int families)
00606 {
00607 KResolver* qres = new KResolver(host, service, qApp, "asynchronous KResolver");
00608 QObject::connect(qres, SIGNAL(finished(KResolverResults)), userObj, userSlot);
00609 qres->setFlags(flags);
00610 qres->setFamily(families);
00611 qres->d->deleteWhenDone = true;
00612 return qres->start();
00613 }
00614
00615 #ifdef NEED_MUTEX
00616 QMutex getXXbyYYmutex;
00617 #endif
00618
00619 QStrList KResolver::protocolName(int protonum)
00620 {
00621 struct protoent *pe;
00622 #ifndef HAVE_GETPROTOBYNAME_R
00623 QMutexLocker locker(&getXXbyYYmutex);
00624
00625 pe = getprotobynumber(protonum);
00626
00627 #else
00628 size_t buflen = 1024;
00629 struct protoent protobuf;
00630 char *buf;
00631 do
00632 {
00633 buf = new char[buflen];
00634 if (getprotobynumber_r(protonum, &protobuf, buf, buflen, &pe) == ERANGE)
00635 {
00636 buflen += 1024;
00637 delete [] buf;
00638 }
00639 else
00640 break;
00641 }
00642 while (pe == 0L);
00643 #endif
00644
00645
00646 QStrList lst(true);
00647 if (pe != NULL)
00648 {
00649 lst.append(pe->p_name);
00650 for (char **p = pe->p_aliases; *p; p++)
00651 lst.append(*p);
00652 }
00653
00654 #ifdef HAVE_GETPROTOBYNAME_R
00655 delete [] buf;
00656 #endif
00657
00658 return lst;
00659 }
00660
00661 QStrList KResolver::protocolName(const char *protoname)
00662 {
00663 struct protoent *pe;
00664 #ifndef HAVE_GETPROTOBYNAME_R
00665 QMutexLocker locker(&getXXbyYYmutex);
00666
00667 pe = getprotobyname(protoname);
00668
00669 #else
00670 size_t buflen = 1024;
00671 struct protoent protobuf;
00672 char *buf;
00673 do
00674 {
00675 buf = new char[buflen];
00676 if (getprotobyname_r(protoname, &protobuf, buf, buflen, &pe) == ERANGE)
00677 {
00678 buflen += 1024;
00679 delete [] buf;
00680 }
00681 else
00682 break;
00683 }
00684 while (pe == 0L);
00685 #endif
00686
00687
00688 QStrList lst(true);
00689 if (pe != NULL)
00690 {
00691 lst.append(pe->p_name);
00692 for (char **p = pe->p_aliases; *p; p++)
00693 lst.append(*p);
00694 }
00695
00696 #ifdef HAVE_GETPROTOBYNAME_R
00697 delete [] buf;
00698 #endif
00699
00700 return lst;
00701 }
00702
00703 int KResolver::protocolNumber(const char *protoname)
00704 {
00705 struct protoent *pe;
00706 #ifndef HAVE_GETPROTOBYNAME_R
00707 QMutexLocker locker(&getXXbyYYmutex);
00708
00709 pe = getprotobyname(protoname);
00710
00711 #else
00712 size_t buflen = 1024;
00713 struct protoent protobuf;
00714 char *buf;
00715 do
00716 {
00717 buf = new char[buflen];
00718 if (getprotobyname_r(protoname, &protobuf, buf, buflen, &pe) == ERANGE)
00719 {
00720 buflen += 1024;
00721 delete [] buf;
00722 }
00723 else
00724 break;
00725 }
00726 while (pe == 0L);
00727 #endif
00728
00729
00730 int protonum = -1;
00731 if (pe != NULL)
00732 protonum = pe->p_proto;
00733
00734 #ifdef HAVE_GETPROTOBYNAME_R
00735 delete [] buf;
00736 #endif
00737
00738 return protonum;
00739 }
00740
00741 int KResolver::servicePort(const char *servname, const char *protoname)
00742 {
00743 struct servent *se;
00744 #ifndef HAVE_GETSERVBYNAME_R
00745 QMutexLocker locker(&getXXbyYYmutex);
00746
00747 se = getservbyname(servname, protoname);
00748
00749 #else
00750 size_t buflen = 1024;
00751 struct servent servbuf;
00752 char *buf;
00753 do
00754 {
00755 buf = new char[buflen];
00756 if (getservbyname_r(servname, protoname, &servbuf, buf, buflen, &se) == ERANGE)
00757 {
00758 buflen += 1024;
00759 delete [] buf;
00760 }
00761 else
00762 break;
00763 }
00764 while (se == 0L);
00765 #endif
00766
00767
00768 int servport = -1;
00769 if (se != NULL)
00770 servport = ntohs(se->s_port);
00771
00772 #ifdef HAVE_GETSERVBYNAME_R
00773 delete [] buf;
00774 #endif
00775
00776 return servport;
00777 }
00778
00779 QStrList KResolver::serviceName(const char* servname, const char *protoname)
00780 {
00781 struct servent *se;
00782 #ifndef HAVE_GETSERVBYNAME_R
00783 QMutexLocker locker(&getXXbyYYmutex);
00784
00785 se = getservbyname(servname, protoname);
00786
00787 #else
00788 size_t buflen = 1024;
00789 struct servent servbuf;
00790 char *buf;
00791 do
00792 {
00793 buf = new char[buflen];
00794 if (getservbyname_r(servname, protoname, &servbuf, buf, buflen, &se) == ERANGE)
00795 {
00796 buflen += 1024;
00797 delete [] buf;
00798 }
00799 else
00800 break;
00801 }
00802 while (se == 0L);
00803 #endif
00804
00805
00806 QStrList lst(true);
00807 if (se != NULL)
00808 {
00809 lst.append(se->s_name);
00810 for (char **p = se->s_aliases; *p; p++)
00811 lst.append(*p);
00812 }
00813
00814 #ifdef HAVE_GETSERVBYNAME_R
00815 delete [] buf;
00816 #endif
00817
00818 return lst;
00819 }
00820
00821 QStrList KResolver::serviceName(int port, const char *protoname)
00822 {
00823 struct servent *se;
00824 #ifndef HAVE_GETSERVBYNAME_R
00825 QMutexLocker locker(&getXXbyYYmutex);
00826
00827 se = getservbyport(port, protoname);
00828
00829 #else
00830 size_t buflen = 1024;
00831 struct servent servbuf;
00832 char *buf;
00833 do
00834 {
00835 buf = new char[buflen];
00836 if (getservbyport_r(port, protoname, &servbuf, buf, buflen, &se) == ERANGE)
00837 {
00838 buflen += 1024;
00839 delete [] buf;
00840 }
00841 else
00842 break;
00843 }
00844 while (se == 0L);
00845 #endif
00846
00847
00848 QStrList lst(true);
00849 if (se != NULL)
00850 {
00851 lst.append(se->s_name);
00852 for (char **p = se->s_aliases; *p; p++)
00853 lst.append(*p);
00854 }
00855
00856 #ifdef HAVE_GETSERVBYNAME_R
00857 delete [] buf;
00858 #endif
00859
00860 return lst;
00861 }
00862
00863
00864 static QStringList splitLabels(const QString& unicodeDomain);
00865 static QCString ToASCII(const QString& label);
00866 static QString ToUnicode(const QString& label);
00867
00868
00869 QCString KResolver::domainToAscii(const QString& unicodeDomain)
00870 {
00871 QCString retval;
00872
00873
00874
00875
00876
00877 QStringList input = splitLabels(unicodeDomain);
00878
00879
00880
00881
00882
00883 QStringList::Iterator it = input.begin();
00884 for ( ; it != input.end(); it++)
00885 {
00886 QCString cs = ToASCII(*it);
00887 if (cs.isNull())
00888 return QCString();
00889
00890
00891 if (!retval.isEmpty())
00892 retval += '.';
00893 retval += cs;
00894 }
00895
00896 return retval;
00897 }
00898
00899 QString KResolver::domainToUnicode(const QCString& asciiDomain)
00900 {
00901 return domainToUnicode(QString::fromLatin1(asciiDomain));
00902 }
00903
00904
00905 QString KResolver::domainToUnicode(const QString& asciiDomain)
00906 {
00907 if (asciiDomain.isEmpty())
00908 return asciiDomain;
00909
00910 QString retval;
00911
00912
00913
00914
00915
00916
00917
00918 QStringList input = splitLabels(asciiDomain);
00919
00920
00921
00922
00923
00924 QStringList::Iterator it;
00925 for (it = input.begin(); it != input.end(); it++)
00926 {
00927 QString label = ToUnicode(*it).lower();
00928
00929
00930 if (!retval.isEmpty())
00931 retval += '.';
00932 retval += label;
00933 }
00934
00935 return retval;
00936 }
00937
00938 QString KResolver::normalizeDomain(const QString& domain)
00939 {
00940 return domainToUnicode(domainToAscii(domain));
00941 }
00942
00943 void KResolver::virtual_hook( int, void* )
00944 { }
00945
00946
00947
00948
00949
00950
00951
00952
00953
00954
00955 static QStringList splitLabels(const QString& unicodeDomain)
00956 {
00957
00958
00959
00960
00961
00962 static const unsigned int separators[] = { 0x002E, 0x3002, 0xFF0E, 0xFF61 };
00963
00964 QStringList lst;
00965 int start = 0;
00966 uint i;
00967 for (i = 0; i < unicodeDomain.length(); i++)
00968 {
00969 unsigned int c = unicodeDomain[i].unicode();
00970
00971 if (c == separators[0] ||
00972 c == separators[1] ||
00973 c == separators[2] ||
00974 c == separators[3])
00975 {
00976
00977 lst << unicodeDomain.mid(start, i - start);
00978 start = i + 1;
00979 }
00980 }
00981 if ((long)i > start)
00982
00983 lst << unicodeDomain.mid(start, i - start);
00984
00985 return lst;
00986 }
00987
00988 static QCString ToASCII(const QString& label)
00989 {
00990 #ifdef HAVE_IDNA_H
00991
00992
00993
00994 if (label.length() > 64)
00995 return (char*)0L;
00996
00997 QCString retval;
00998 char buf[65];
00999
01000 Q_UINT32* ucs4 = new Q_UINT32[label.length() + 1];
01001
01002 uint i;
01003 for (i = 0; i < label.length(); i++)
01004 ucs4[i] = (unsigned long)label[i].unicode();
01005 ucs4[i] = 0;
01006
01007 if (idna_to_ascii_4i(ucs4, label.length(), buf, 0) == IDNA_SUCCESS)
01008
01009 retval = buf;
01010
01011 delete [] ucs4;
01012 return retval;
01013 #else
01014 return label.latin1();
01015 #endif
01016 }
01017
01018 static QString ToUnicode(const QString& label)
01019 {
01020 #ifdef HAVE_IDNA_H
01021
01022
01023
01024 Q_UINT32 *ucs4_input, *ucs4_output;
01025 size_t outlen;
01026
01027 ucs4_input = new Q_UINT32[label.length() + 1];
01028 for (uint i = 0; i < label.length(); i++)
01029 ucs4_input[i] = (unsigned long)label[i].unicode();
01030
01031
01032 ucs4_output = new Q_UINT32[outlen = label.length()];
01033
01034 idna_to_unicode_44i(ucs4_input, label.length(),
01035 ucs4_output, &outlen,
01036 0);
01037
01038 if (outlen > label.length())
01039 {
01040
01041 delete [] ucs4_output;
01042 ucs4_output = new Q_UINT32[outlen];
01043
01044 idna_to_unicode_44i(ucs4_input, label.length(),
01045 ucs4_output, &outlen,
01046 0);
01047 }
01048
01049
01050 QString result;
01051 result.setLength(outlen);
01052 for (uint i = 0; i < outlen; i++)
01053 result[i] = (unsigned int)ucs4_output[i];
01054
01055 delete [] ucs4_input;
01056 delete [] ucs4_output;
01057
01058 return result;
01059 #else
01060 return label;
01061 #endif
01062 }
01063
01064 #include "kresolver.moc"