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added safeguard against absurdly large packets in rsserial.cc and output of the beginning of the packet.

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csoler 2015-12-27 10:03:07 -05:00
parent 3ea2e0f450
commit 672ab256d7
1 changed files with 5 additions and 0 deletions
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5
libretroshare/src/serialiser/rsserial.cc
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@ -389,6 +389,11 @@ RsItem * RsSerialiser::deserialise(void *data, uint32_t *size)
#endif #endif
return NULL; return NULL;
} }
if(pkt_size > getRsPktMaxSize())
{
std::cerr << "(EE) trying to deserialise a packet with absurdely large size " << pkt_size << ". This means there's a bug upward or packet corruption. Packet content: " << RsUtil::BinToHex((unsigned char*)data,std::min(300u,pkt_size)) ;
return NULL ;
}
/* store the packet size to return the amount we should use up */ /* store the packet size to return the amount we should use up */
*size = pkt_size; *size = pkt_size;