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Properly set (sa|sin|sin6)_len on Unix systems that need it

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Change-Id: I7de033f80b0e4431b7f1ffff13f90288a50606e7
Reviewed-by: Richard J. Moore <rich@kde.org>
This commit is contained in:
Thiago Macieira 2015-08-09 22:25:41 -07:00
parent 4242fe0a03
commit 2fb42eb4af
2 changed files with 14 additions and 0 deletions
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2
src/network/kernel/qdnslookup_unix.cpp
View File

@ -37,6 +37,7 @@
#include <qscopedpointer.h>
#include <qurl.h>
#include <private/qmutexpool_p.h>
#include <private/qnativesocketengine_p.h>
#include <sys/types.h>
#include <netinet/in.h>
@ -160,6 +161,7 @@ void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestN
state._u._ext.nscount6 = 1;
ns->sin6_family = AF_INET6;
ns->sin6_port = htons(53);
SetSALen::set(ns, sizeof(*ns));
Q_IPV6ADDR ipv6Address = nameserver.toIPv6Address();
for (int i=0; i<16; i++) {

12
src/network/socket/qnativesocketengine_p.h
View File

@ -99,6 +99,16 @@ union qt_sockaddr {
sockaddr_in6 a6;
};
namespace {
namespace SetSALen {
template <typename T> void set(T *sa, typename QtPrivate::QEnableIf<(&T::sa_len, true), QT_SOCKLEN_T>::Type len)
{ sa->sa_len = len; }
template <typename T> void set(T *sin6, typename QtPrivate::QEnableIf<(&T::sin6_len, true), QT_SOCKLEN_T>::Type len)
{ sin6->sin6_len = len; }
template <typename T> void set(T *, ...) {}
}
}
class QNativeSocketEnginePrivate;
#ifndef QT_NO_NETWORKINTERFACE
class QNetworkInterface;
@ -287,12 +297,14 @@ public:
Q_IPV6ADDR tmp = address.toIPv6Address();
memcpy(&aa->a6.sin6_addr, &tmp, sizeof(tmp));
*sockAddrSize = sizeof(sockaddr_in6);
SetSALen::set(&aa->a, sizeof(sockaddr_in6));
} else {
memset(&aa->a, 0, sizeof(sockaddr_in));
aa->a4.sin_family = AF_INET;
aa->a4.sin_port = htons(port);
aa->a4.sin_addr.s_addr = htonl(address.toIPv4Address());
*sockAddrSize = sizeof(sockaddr_in);
SetSALen::set(&aa->a, sizeof(sockaddr_in));
}
}