eburet-oss/sing-tun-lx
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Improve checksum usages

Browse source
This commit is contained in:
世界 2025-08-27 11:03:17 +08:00
parent f9bbb15bfb
commit adc106bcf6
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
9 changed files with 23 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

9
stack_gvisor_icmp.go
View file

@ -90,7 +90,6 @@ func (f *ICMPForwarder) HandlePacket(id stack.TransportEndpointID, pkt *stack.Pa
sourceAddress := ipHdr.SourceAddress()
ipHdr.SetSourceAddress(ipHdr.DestinationAddress())
ipHdr.SetDestinationAddress(sourceAddress)
icmpHdr.SetChecksum(0)
icmpHdr.SetChecksum(header.ICMPv4Checksum(icmpHdr[:header.ICMPv4MinimumSize], pkt.Data().Checksum()))
ipHdr.SetChecksum(0)
ipHdr.SetChecksum(^ipHdr.CalculateChecksum())
@ -154,9 +153,11 @@ func (f *ICMPForwarder) HandlePacket(id stack.TransportEndpointID, pkt *stack.Pa
ipHdr.SetSourceAddress(ipHdr.DestinationAddress())
ipHdr.SetDestinationAddress(sourceAddress)
icmpHdr.SetChecksum(header.ICMPv6Checksum(header.ICMPv6ChecksumParams{
Header: icmpHdr,
Src: ipHdr.SourceAddress(),
Dst: ipHdr.DestinationAddress(),
Header: icmpHdr,
Src: ipHdr.SourceAddress(),
Dst: ipHdr.DestinationAddress(),
PayloadCsum: pkt.Data().Checksum(),
PayloadLen: pkt.Data().Size(),
}))
outgoingEP, gErr := f.stack.GetNetworkEndpoint(DefaultNIC, header.IPv4ProtocolNumber)
if gErr != nil {