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Fix checksum changes

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This commit is contained in:
世界 2025-08-27 15:45:18 +08:00
parent adc106bcf6
commit ff49ece55d
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GPG key ID: CD109927C34A63C4
4 changed files with 11 additions and 4 deletions
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2
stack_gvisor_tcp.go
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@ -51,6 +51,7 @@ func (f *TCPForwarder) HandlePacket(id stack.TransportEndpointID, pkt *stack.Pac
ipHdr.SetDestinationAddressWithChecksumUpdate(ipHdr.SourceAddress())
ipHdr.SetSourceAddressWithChecksumUpdate(inet4LoopbackAddress)
tcpHdr := header.TCP(pkt.TransportHeader().Slice())
tcpHdr.SetChecksum(0)
tcpHdr.SetChecksum(^checksum.Checksum(tcpHdr.Payload(), tcpHdr.CalculateChecksum(
header.PseudoHeaderChecksum(header.TCPProtocolNumber, ipHdr.SourceAddress(), ipHdr.DestinationAddress(), ipHdr.PayloadLength()),
)))
@ -64,6 +65,7 @@ func (f *TCPForwarder) HandlePacket(id stack.TransportEndpointID, pkt *stack.Pac
ipHdr.SetDestinationAddress(ipHdr.SourceAddress())
ipHdr.SetSourceAddress(inet6LoopbackAddress)
tcpHdr := header.TCP(pkt.TransportHeader().Slice())
tcpHdr.SetChecksum(0)
tcpHdr.SetChecksum(^checksum.Checksum(tcpHdr.Payload(), tcpHdr.CalculateChecksum(
header.PseudoHeaderChecksum(header.TCPProtocolNumber, ipHdr.SourceAddress(), ipHdr.DestinationAddress(), ipHdr.PayloadLength()),
)))