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human review!

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This commit is contained in:
Quentin McGaw
2026-08-06 20:08:38 +00:00
parent 0f337b4277
commit c513b8fbd2
6 changed files with 73 additions and 164 deletions
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internal/firewall/nftables/redirect.go
+7 -5
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@@ -80,7 +80,7 @@ func (f *Firewall) RedirectPort(_ context.Context, intf string,
err = conn.Flush()
if err != nil && !isTableDoesNotExist(err) {
if !remove {
removeFailedRules(f.rules, rulesToDelete)
f.rules = removeFailedRules(f.rules, rulesToDelete)
}
return fmt.Errorf("redirecting source port %d to destination port %d on interface %s: %w",
sourcePort, destinationPort, intf, err)
@@ -157,10 +157,12 @@ func isTableDoesNotExist(err error) bool {
return strings.Contains(err.Error(), "Table does not exist")
}
func removeFailedRules(rules []*nftables.Rule, failed []*nftables.Rule) {
for i := len(rules) - 1; i >= 0; i-- {
if slices.Contains(failed, rules[i]) {
rules = append(rules[:i], rules[i+1:]...)
func removeFailedRules(rules []*nftables.Rule, failed []*nftables.Rule) (succeeded []*nftables.Rule) {
succeeded = make([]*nftables.Rule, 0, len(rules)-len(failed))
for _, rule := range rules {
if !slices.Contains(failed, rule) {
succeeded = append(succeeded, rule)
}
}
return succeeded
}