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swarm/network, swarm/storage: validate chunk size (#17397)

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* swarm/network, swarm/storage: validate default chunk size

* swarm/bmt, swarm/network, swarm/storage: update BMT hash initialisation

* swarm/bmt: move segmentCount to tests

* swarm/chunk: change chunk.DefaultSize to be untyped const

* swarm/storage: add size validator

* swarm/storage: add chunk size validation to localstore

* swarm/storage: move validation from localstore to validator

* swarm/storage: global chunk rules in MRU
This commit is contained in:
Anton Evangelatov
2018-08-14 16:03:56 +02:00
committed by Balint Gabor
parent 8a040de60b
commit 97887d98da
16 changed files with 79 additions and 76 deletions
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7
swarm/network/stream/delivery.go
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@ -24,6 +24,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/p2p/discover"
cp "github.com/ethereum/go-ethereum/swarm/chunk"
"github.com/ethereum/go-ethereum/swarm/log"
"github.com/ethereum/go-ethereum/swarm/network"
"github.com/ethereum/go-ethereum/swarm/spancontext"
@ -229,6 +230,11 @@ R:
for req := range d.receiveC {
processReceivedChunksCount.Inc(1)
if len(req.SData) > cp.DefaultSize+8 {
log.Warn("received chunk is bigger than expected", "len", len(req.SData))
continue R
}
// this should be has locally
chunk, err := d.db.Get(context.TODO(), req.Addr)
if err == nil {
@ -244,6 +250,7 @@ R:
continue R
default:
}
chunk.SData = req.SData
d.db.Put(context.TODO(), chunk)