diff options
author | Lars Knoll <lars.knoll@qt.io> | 2017-12-30 17:39:21 +0100 |
---|---|---|
committer | Lars Knoll <lars.knoll@qt.io> | 2018-01-02 09:58:44 +0100 |
commit | 0f315adf9199efcfafa44371464ab6d1fc866774 (patch) | |
tree | 35b67591255624c670aff0579e45b2973f56fd81 /src/network/kernel | |
parent | 2b0eb3fac319a17dd92903106d501f0f06df871f (diff) | |
parent | 52b85212a2ec8ec5bf187f6cd00b669a45bcf0bd (diff) |
Merge remote-tracking branch 'origin/5.10' into dev
Conflicts:
.qmake.conf
sc/corelib/io/qfsfileengine_p.h
src/corelib/io/qstorageinfo_unix.cpp
src/platformsupport/eglconvenience/qeglpbuffer_p.h
src/platformsupport/input/libinput/qlibinputkeyboard.cpp
src/platformsupport/input/libinput/qlibinputpointer.cpp
src/plugins/platforms/cocoa/qcocoamenu.mm
src/plugins/platforms/ios/qiosscreen.h
src/plugins/platforms/ios/qioswindow.h
src/plugins/platforms/ios/quiview.mm
src/printsupport/dialogs/qpagesetupdialog_unix_p.h
src/printsupport/dialogs/qprintpreviewdialog.cpp
src/printsupport/widgets/qcupsjobwidget_p.h
src/widgets/widgets/qmenu.cpp
tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp
tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp
Change-Id: Iecb4883122efe97ef0ed850271e6c51bab568e9c
Diffstat (limited to 'src/network/kernel')
-rw-r--r-- | src/network/kernel/qdnslookup_unix.cpp | 27 | ||||
-rw-r--r-- | src/network/kernel/qnetworkinterface_linux.cpp | 2 |
2 files changed, 23 insertions, 6 deletions
diff --git a/src/network/kernel/qdnslookup_unix.cpp b/src/network/kernel/qdnslookup_unix.cpp index 1da00813ce..ce1ec6442a 100644 --- a/src/network/kernel/qdnslookup_unix.cpp +++ b/src/network/kernel/qdnslookup_unix.cpp @@ -42,6 +42,7 @@ #if QT_CONFIG(library) #include <qlibrary.h> #endif +#include <qvarlengtharray.h> #include <qscopedpointer.h> #include <qurl.h> #include <private/qnativesocketengine_p.h> @@ -58,6 +59,8 @@ # include <gnu/lib-names.h> #endif +#include <cstring> + QT_BEGIN_NAMESPACE #if QT_CONFIG(library) @@ -137,7 +140,7 @@ void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestN // Initialize state. struct __res_state state; - memset(&state, 0, sizeof(state)); + std::memset(&state, 0, sizeof(state)); if (local_res_ninit(&state) < 0) { reply->error = QDnsLookup::ResolverError; reply->errorString = tr("Resolver initialization failed"); @@ -189,11 +192,25 @@ void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestN QScopedPointer<struct __res_state, QDnsLookupStateDeleter> state_ptr(&state); // Perform DNS query. - unsigned char response[PACKETSZ]; - memset(response, 0, sizeof(response)); - const int responseLength = local_res_nquery(&state, requestName, C_IN, requestType, response, sizeof(response)); + QVarLengthArray<unsigned char, PACKETSZ> buffer(PACKETSZ); + std::memset(buffer.data(), 0, buffer.size()); + int responseLength = local_res_nquery(&state, requestName, C_IN, requestType, buffer.data(), buffer.size()); + if (Q_UNLIKELY(responseLength > PACKETSZ)) { + buffer.resize(responseLength); + std::memset(buffer.data(), 0, buffer.size()); + responseLength = local_res_nquery(&state, requestName, C_IN, requestType, buffer.data(), buffer.size()); + if (Q_UNLIKELY(responseLength > buffer.size())) { + // Ok, we give up. + reply->error = QDnsLookup::ResolverError; + reply->errorString.clear(); // We cannot be more specific, alas. + return; + } + } - // Check the response header. + unsigned char *response = buffer.data(); + // Check the response header. Though res_nquery returns -1 as a + // responseLength in case of error, we still can extract the + // exact error code from the response. HEADER *header = (HEADER*)response; const int answerCount = ntohs(header->ancount); switch (header->rcode) { diff --git a/src/network/kernel/qnetworkinterface_linux.cpp b/src/network/kernel/qnetworkinterface_linux.cpp index 3211d1b8d8..01b2811070 100644 --- a/src/network/kernel/qnetworkinterface_linux.cpp +++ b/src/network/kernel/qnetworkinterface_linux.cpp @@ -165,7 +165,7 @@ template <typename Lambda> struct ProcessNetlinkRequest int expectedType = expectedTypeForRequest(hdr->nlmsg_type); const bool isDump = hdr->nlmsg_flags & NLM_F_DUMP; forever { - qssize_t len = recv(sock, buf, bufsize, 0); + qsizetype len = recv(sock, buf, bufsize, 0); hdr = reinterpret_cast<struct nlmsghdr *>(buf); if (!NLMSG_OK(hdr, len)) return; |