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| author | Anton Evangelatov <anton.evangelatov@gmail.com> | 2018-08-14 22:03:56 +0800 |
|---|---|---|
| committer | Balint Gabor <balint.g@gmail.com> | 2018-08-14 22:03:56 +0800 |
| commit | 97887d98da703a31040bceee13bce9ee77fca673 (patch) | |
| tree | ffc9a8a6fba087b26d33c0ef6c939a19aaaad8c9 /swarm/network | |
| parent | 8a040de60bd6b740ebe87cd8e1fe6bfdb6635d2f (diff) | |
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swarm/network, swarm/storage: validate chunk size (#17397)
* 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
Diffstat (limited to 'swarm/network')
| -rw-r--r-- | swarm/network/stream/delivery.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/swarm/network/stream/delivery.go b/swarm/network/stream/delivery.go index fa210e300..36040339d 100644 --- a/swarm/network/stream/delivery.go +++ b/swarm/network/stream/delivery.go @@ -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) |