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move the check for empty payload to the unpacker

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This commit is contained in:
Marten Seemann 2022-08-27 11:57:00 +03:00
parent fd1b3a23c4
commit e3723a0ef1
4 changed files with 31 additions and 38 deletions
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8
packet_unpacker.go
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@ -7,6 +7,7 @@ import (
"github.com/lucas-clemente/quic-go/internal/handshake"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/qerr"
"github.com/lucas-clemente/quic-go/internal/wire"
)
@ -102,6 +103,13 @@ func (u *packetUnpacker) Unpack(hdr *wire.Header, rcvTime time.Time, data []byte
}
}
if len(decrypted) == 0 {
return nil, &qerr.TransportError{
ErrorCode: qerr.ProtocolViolation,
ErrorMessage: "empty packet",
}
}
return &unpackedPacket{
hdr: extHdr,
encryptionLevel: encLevel,