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Update gVisor to release-20230605.0-21-g457c1c36d

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This commit is contained in:
世界 2023-05-20 12:09:41 +08:00
parent b02f252916
commit e881f21013
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GPG key ID: CD109927C34A63C4
20 changed files with 71 additions and 550 deletions
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41
route_nat_gvisor.go
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@ -1,41 +0,0 @@
//go:build with_gvisor
package tun
import (
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
func (w *NatWriter) RewritePacketBuffer(packetBuffer stack.PacketBufferPtr) {
var bindAddr tcpip.Address
if packetBuffer.NetworkProtocolNumber == header.IPv4ProtocolNumber {
bindAddr = tcpip.Address(w.inet4Address.AsSlice())
} else {
bindAddr = tcpip.Address(w.inet6Address.AsSlice())
}
var ipHdr header.Network
switch packetBuffer.NetworkProtocolNumber {
case header.IPv4ProtocolNumber:
ipHdr = header.IPv4(packetBuffer.NetworkHeader().Slice())
case header.IPv6ProtocolNumber:
ipHdr = header.IPv6(packetBuffer.NetworkHeader().Slice())
default:
return
}
oldAddr := ipHdr.SourceAddress()
if checksumHdr, needChecksum := ipHdr.(header.ChecksummableNetwork); needChecksum {
checksumHdr.SetSourceAddressWithChecksumUpdate(bindAddr)
} else {
ipHdr.SetSourceAddress(bindAddr)
}
switch packetBuffer.TransportProtocolNumber {
case header.TCPProtocolNumber:
tcpHdr := header.TCP(packetBuffer.TransportHeader().Slice())
tcpHdr.UpdateChecksumPseudoHeaderAddress(oldAddr, bindAddr, true)
case header.UDPProtocolNumber:
udpHdr := header.UDP(packetBuffer.TransportHeader().Slice())
udpHdr.UpdateChecksumPseudoHeaderAddress(oldAddr, bindAddr, true)
}
}