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46 - Devices vulnerable to invalid messages

Browse Source 
http://github.com/zeromq/zeromq2/issues#issue/46
Invalid messages are now discarded silently, instead of causing an assertion
failure.
This commit is contained in:
Pieter Hintjens 2010-08-11 17:05:19 +02:00
parent e74d350068
commit 5be54b9120
1 changed files with 6 additions and 3 deletions
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9
src/xrep.cpp
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@ -143,8 +143,11 @@ int zmq::xrep_t::xsend (zmq_msg_t *msg_, int flags_)
if (!more_out) {
zmq_assert (!current_out);
// There's no such thing as prefix with no subsequent message.
zmq_assert (msg_->flags & ZMQ_MSG_MORE);
// If we have malformed message (prefix with no subsequent message)
// then just silently drop the message.
if ((msg_->flags & ZMQ_MSG_MORE) == 0)
return 0;
more_out = true;
// Find the pipe associated with the identity stored in the prefix.
@ -154,7 +157,7 @@ int zmq::xrep_t::xsend (zmq_msg_t *msg_, int flags_)
outpipes_t::iterator it = outpipes.find (identity);
if (it == outpipes.end ())
return 0;
// Remember the outgoing pipe.
current_out = it->second.writer;