check nft rule lenght

threefoldtech · Dec 31, 2024 · afc70ec · afc70ec
1 parent b8b84ce
commit afc70ec
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkg/netlight/nft/nft.go b/pkg/netlight/nft/nft.go
@@ -37,6 +37,9 @@ func Apply(r io.Reader, ns string) error {
 }
 
 func applyNftRule(rule []string) error {
+	if len(rule) == 0 {
+		return errors.New("invalid nft rule")
+	}
 	cmd := exec.Command(rule[0], rule[1:]...)
 
 	out, err := cmd.CombinedOutput()