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ping: Fix reject

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This commit is contained in:
世界 2025-08-27 20:28:59 +08:00
parent d5865f2135
commit b76e852f59
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GPG key ID: CD109927C34A63C4
1 changed files with 3 additions and 3 deletions
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6
stack_system.go
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@ -665,7 +665,7 @@ func (s *System) processIPv4ICMP(ipHdr header.IPv4, icmpHdr header.ICMPv4) (bool
}) })
if err != nil { if err != nil {
if errors.Is(err, ErrReset) { if errors.Is(err, ErrReset) {
return false, s.rejectIPv4WithICMP(ipHdr, header.ICMPv4PortUnreachable) return false, s.rejectIPv4WithICMP(ipHdr, header.ICMPv4HostUnreachable)
} else if errors.Is(err, ErrDrop) { } else if errors.Is(err, ErrDrop) {
return false, nil return false, nil
} }
@ -712,7 +712,7 @@ func (s *System) rejectIPv4WithICMP(ipHdr header.IPv4, code header.ICMPv4Code) e
icmpHdr := header.ICMPv4(newIPHdr.Payload()) icmpHdr := header.ICMPv4(newIPHdr.Payload())
icmpHdr.SetType(header.ICMPv4DstUnreachable) icmpHdr.SetType(header.ICMPv4DstUnreachable)
icmpHdr.SetCode(code) icmpHdr.SetCode(code)
icmpHdr.SetChecksum(header.ICMPv4Checksum(icmpHdr, 0)) icmpHdr.SetChecksum(header.ICMPv4Checksum(icmpHdr[:header.ICMPv4MinimumSize], checksum.Checksum(ipHdr.Payload(), 0)))
copy(icmpHdr.Payload(), payload) copy(icmpHdr.Payload(), payload)
if PacketOffset > 0 { if PacketOffset > 0 {
newPacket.ExtendHeader(PacketOffset)[3] = syscall.AF_INET newPacket.ExtendHeader(PacketOffset)[3] = syscall.AF_INET
@ -739,7 +739,7 @@ func (s *System) processIPv6ICMP(ipHdr header.IPv6, icmpHdr header.ICMPv6) (bool
) )
}) })
if errors.Is(err, ErrReset) { if errors.Is(err, ErrReset) {
return false, s.rejectIPv6WithICMP(ipHdr, header.ICMPv6PortUnreachable) return false, s.rejectIPv6WithICMP(ipHdr, header.ICMPv6AddressUnreachable)
} else if errors.Is(err, ErrDrop) { } else if errors.Is(err, ErrDrop) {
return false, nil return false, nil
} }