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Fix generate empty sets

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世界 2024-06-17 22:28:32 +08:00
parent 1048b277ea
commit 086271ef29
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GPG key ID: CD109927C34A63C4
1 changed files with 18 additions and 9 deletions
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27
redirect_nftables_exprs.go
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@ -79,17 +79,9 @@ func nftablesCreateIPSet(
) (*nftables.Set, error) {
if len(prefixList) > 0 {
var builder netipx.IPSetBuilder
if appendDefault && len(setList) == 0 {
if family == nftables.TableFamilyIPv4 {
prefixList = append(prefixList, netip.PrefixFrom(netip.IPv4Unspecified(), 0))
} else {
prefixList = append(prefixList, netip.PrefixFrom(netip.IPv6Unspecified(), 0))
}
}
for _, prefix := range prefixList {
builder.AddPrefix(prefix)
}
ipSet, err := builder.IPSet()
if err != nil {
return nil, err
@ -103,7 +95,7 @@ func nftablesCreateIPSet(
ipSets = append(ipSets, mySet)
rangeLen += len(mySet.rr)
}
setElements := make([]nftables.SetElement, 0, len(prefixList)+rangeLen)
setElements := make([]nftables.SetElement, 0, rangeLen)
for _, mySet := range ipSets {
for _, rr := range mySet.rr {
if (family == nftables.TableFamilyIPv4) != rr.from.Is4() {
@ -122,6 +114,23 @@ func nftablesCreateIPSet(
})
}
}
if len(prefixList) == 0 && appendDefault {
if family == nftables.TableFamilyIPv4 {
setElements = append(setElements, nftables.SetElement{
Key: netip.IPv4Unspecified().AsSlice(),
}, nftables.SetElement{
Key: netip.IPv4Unspecified().AsSlice(),
IntervalEnd: true,
})
} else {
setElements = append(setElements, nftables.SetElement{
Key: netip.IPv6Unspecified().AsSlice(),
}, nftables.SetElement{
Key: netip.IPv6Unspecified().AsSlice(),
IntervalEnd: true,
})
}
}
var keyType nftables.SetDatatype
if family == nftables.TableFamilyIPv4 {
keyType = nftables.TypeIPAddr