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authormickeyl <mickeyl>2003-04-16 13:19:32 (UTC)
committer mickeyl <mickeyl>2003-04-16 13:19:32 (UTC)
commit05b76911ab2082436c577c1461f0d1210ce0aa33 (patch) (side-by-side diff)
treed8219eb138ca46f355651152d471664037be372b /libopie2/opienet
parent5b9d1ddde859ff783f95babf1887fa40e6bfe0be (diff)
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add sanity check for last packet when capturing from capture file
Diffstat (limited to 'libopie2/opienet') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opienet/opcap.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp
index 04b1bb1..e362883 100644
--- a/libopie2/opienet/opcap.cpp
+++ b/libopie2/opienet/opcap.cpp
@@ -819,38 +819,39 @@ int OPacketCapturer::fileno() const
}
}
OPacket* OPacketCapturer::next()
{
packetheaderstruct header;
qDebug( "==> OPacketCapturer::next()" );
const unsigned char* pdata = pcap_next( _pch, &header );
qDebug( "<== OPacketCapturer::next()" );
if ( _pcd )
pcap_dump( (u_char*) _pcd, &header, pdata );
- if ( header.len )
+ if ( pdata && header.len )
{
OPacket* p = new OPacket( dataLink(), header, pdata, 0 );
// packets shouldn't be inserted in the QObject child-parent hierarchy,
// because due to memory constraints they will be deleted as soon
// as possible - that is right after they have been processed
// by emit() [ see below ]
//TODO: make gathering statistics optional, because it takes time
p->updateStats( _stats, const_cast<QObjectList*>( p->children() ) );
return p;
}
else
{
+ qWarning( "OPacketCapturer::next() - no packet received!" );
return 0;
}
}
bool OPacketCapturer::open( const QString& name, const QString& filename )
{
if ( _open )
{
if ( name == _name ) // ignore opening an already openend device
{
return true;