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-rw-r--r--src/network/kernel/qdnslookup_win.cpp177
1 files changed, 177 insertions, 0 deletions
diff --git a/src/network/kernel/qdnslookup_win.cpp b/src/network/kernel/qdnslookup_win.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtNetwork module 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 "qdnslookup_p.h"
+
+#include <qurl.h>
+#include <private/qmutexpool_p.h>
+#include <private/qsystemlibrary_p.h>
+
+#include <windows.h>
+#include <windns.h>
+
+QT_BEGIN_NAMESPACE
+
+typedef DNS_STATUS (*dns_query_utf8_proto)(PCSTR,WORD,DWORD,PIP4_ARRAY,PDNS_RECORD*,PVOID*);
+static dns_query_utf8_proto local_dns_query_utf8 = 0;
+typedef void (*dns_record_list_free_proto)(PDNS_RECORD,DNS_FREE_TYPE);
+static dns_record_list_free_proto local_dns_record_list_free = 0;
+
+static void resolveLibrary()
+{
+ local_dns_query_utf8 = (dns_query_utf8_proto) QSystemLibrary::resolve(QLatin1String("dnsapi"), "DnsQuery_UTF8");
+ local_dns_record_list_free = (dns_record_list_free_proto) QSystemLibrary::resolve(QLatin1String("dnsapi"), "DnsRecordListFree");
+}
+
+void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestName, QDnsLookupReply *reply)
+{
+ // Load DnsQuery_UTF8 and DnsRecordListFree on demand.
+ static volatile bool triedResolve = false;
+ if (!triedResolve) {
+ QMutexLocker locker(QMutexPool::globalInstanceGet(&local_dns_query_utf8));
+ if (!triedResolve) {
+ resolveLibrary();
+ triedResolve = true;
+ }
+ }
+
+ // If DnsQuery_UTF8 or DnsRecordListFree is missing, fail.
+ if (!local_dns_query_utf8 || !local_dns_record_list_free) {
+ reply->error = QDnsLookup::ResolverError,
+ reply->errorString = tr("Resolver functions not found");
+ return;
+ }
+
+ // Perform DNS query.
+ PDNS_RECORD dns_records;
+ const DNS_STATUS status = local_dns_query_utf8(requestName, requestType, DNS_QUERY_STANDARD, NULL, &dns_records, NULL);
+ switch (status) {
+ case ERROR_SUCCESS:
+ break;
+ case DNS_ERROR_RCODE_FORMAT_ERROR:
+ reply->error = QDnsLookup::InvalidRequestError;
+ reply->errorString = tr("Server could not process query");
+ return;
+ case DNS_ERROR_RCODE_SERVER_FAILURE:
+ reply->error = QDnsLookup::ServerFailureError;
+ reply->errorString = tr("Server failure");
+ return;
+ case DNS_ERROR_RCODE_NAME_ERROR:
+ reply->error = QDnsLookup::NotFoundError;
+ reply->errorString = tr("Non existent domain");
+ return;
+ case DNS_ERROR_RCODE_REFUSED:
+ reply->error = QDnsLookup::ServerRefusedError;
+ reply->errorString = tr("Server refused to answer");
+ return;
+ default:
+ reply->error = QDnsLookup::InvalidReplyError;
+ reply->errorString = tr("Invalid reply received");
+ return;
+ }
+
+ // Extract results.
+ for (PDNS_RECORD ptr = dns_records; ptr != NULL; ptr = ptr->pNext) {
+ const QString name = QUrl::fromAce((char*)ptr->pName);
+ if (ptr->wType == QDnsLookup::A) {
+ QDnsHostAddressRecord record;
+ record.d->name = name;
+ record.d->timeToLive = ptr->dwTtl;
+ record.d->value = QHostAddress(ntohl(ptr->Data.A.IpAddress));
+ reply->hostAddressRecords.append(record);
+ } else if (ptr->wType == QDnsLookup::AAAA) {
+ Q_IPV6ADDR addr;
+ memcpy(&addr, &ptr->Data.AAAA.Ip6Address, sizeof(Q_IPV6ADDR));
+
+ QDnsHostAddressRecord record;
+ record.d->name = name;
+ record.d->timeToLive = ptr->dwTtl;
+ record.d->value = QHostAddress(addr);
+ reply->hostAddressRecords.append(record);
+ } else if (ptr->wType == QDnsLookup::CNAME) {
+ QDnsDomainNameRecord record;
+ record.d->name = name;
+ record.d->timeToLive = ptr->dwTtl;
+ record.d->value = QUrl::fromAce((char*)ptr->Data.Cname.pNameHost);
+ reply->canonicalNameRecords.append(record);
+ } else if (ptr->wType == QDnsLookup::MX) {
+ QDnsMailExchangeRecord record;
+ record.d->name = name;
+ record.d->exchange = QUrl::fromAce((char*)ptr->Data.Mx.pNameExchange);
+ record.d->preference = ptr->Data.Mx.wPreference;
+ record.d->timeToLive = ptr->dwTtl;
+ reply->mailExchangeRecords.append(record);
+ } else if (ptr->wType == QDnsLookup::NS) {
+ QDnsDomainNameRecord record;
+ record.d->name = name;
+ record.d->timeToLive = ptr->dwTtl;
+ record.d->value = QUrl::fromAce((char*)ptr->Data.Ns.pNameHost);
+ reply->nameServerRecords.append(record);
+ } else if (ptr->wType == QDnsLookup::PTR) {
+ QDnsDomainNameRecord record;
+ record.d->name = name;
+ record.d->timeToLive = ptr->dwTtl;
+ record.d->value = QUrl::fromAce((char*)ptr->Data.Ptr.pNameHost);
+ reply->pointerRecords.append(record);
+ } else if (ptr->wType == QDnsLookup::SRV) {
+ QDnsServiceRecord record;
+ record.d->name = name;
+ record.d->target = QUrl::fromAce((char*)ptr->Data.Srv.pNameTarget);
+ record.d->port = ptr->Data.Srv.wPort;
+ record.d->priority = ptr->Data.Srv.wPriority;
+ record.d->timeToLive = ptr->dwTtl;
+ record.d->weight = ptr->Data.Srv.wWeight;
+ reply->serviceRecords.append(record);
+ } else if (ptr->wType == QDnsLookup::TXT) {
+ QDnsTextRecord record;
+ record.d->name = name;
+ record.d->timeToLive = ptr->dwTtl;
+ for (unsigned int i = 0; i < ptr->Data.Txt.dwStringCount; ++i) {
+ record.d->values << QByteArray((char*)ptr->Data.Txt.pStringArray[i]);
+ }
+ reply->textRecords.append(record);
+ }
+ }
+
+ local_dns_record_list_free(dns_records, DnsFreeRecordList);
+}
+
+QT_END_NAMESPACE
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