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Fixed issue where the client could crash when sending malformed data

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This commit is contained in:
obscuren 2014-05-30 11:48:23 +02:00
parent 99797858a6
commit 15e0093e13
1 changed files with 5 additions and 3 deletions
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8
peer.go
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@ -450,9 +450,11 @@ func (p *Peer) HandleInbound() {
//ethutil.Config.Log.Debugf("[PEER] Could not find a similar block")
// If no blocks are found we send back a reply with msg not in chain
// and the last hash from get chain
lastHash := msg.Data.Get(l - 1)
//log.Printf("Sending not in chain with hash %x\n", lastHash.AsRaw())
p.QueueMessage(ethwire.NewMessage(ethwire.MsgNotInChainTy, []interface{}{lastHash.Raw()}))
if l > 0 {
lastHash := msg.Data.Get(l - 1)
//log.Printf("Sending not in chain with hash %x\n", lastHash.AsRaw())
p.QueueMessage(ethwire.NewMessage(ethwire.MsgNotInChainTy, []interface{}{lastHash.Raw()}))
}
}
case ethwire.MsgNotInChainTy:
ethutil.Config.Log.Debugf("Not in chain: %x\n", msg.Data.Get(0).Bytes())