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Fix varinterval panic if request IH is not provided

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Širhoe Biazhkovič
2021-11-26 19:21:49 +03:00
committed by Lawrence, Rendall
parent 9122aefdd7
commit 239a642bfc
6 changed files with 13 additions and 13 deletions
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10
middleware/pkg/random/entropy.go
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@@ -10,8 +10,10 @@ import (
// AnnounceRequest.
//
// Calling DeriveEntropyFromRequest multiple times yields the same values.
func DeriveEntropyFromRequest(req *bittorrent.AnnounceRequest) (uint64, uint64) {
v0 := binary.BigEndian.Uint64([]byte(req.InfoHash[:8])) + binary.BigEndian.Uint64([]byte(req.InfoHash[8:16]))
v1 := binary.BigEndian.Uint64(req.Peer.ID[:8]) + binary.BigEndian.Uint64(req.Peer.ID[8:16])
return v0, v1
func DeriveEntropyFromRequest(req *bittorrent.AnnounceRequest) (v0 uint64, v1 uint64) {
if len(req.InfoHash) >= bittorrent.InfoHashV1Len {
v0 = binary.BigEndian.Uint64([]byte(req.InfoHash[:8])) + binary.BigEndian.Uint64([]byte(req.InfoHash[8:16]))
}
v1 = binary.BigEndian.Uint64(req.Peer.ID[:8]) + binary.BigEndian.Uint64(req.Peer.ID[8:16])
return
}