Merge pull request #69 from fedepaol/check_version_fail

Check and return an error when iptables version parsing fails
coreos · Sep 17, 2019 · af017ce · af017ce
2 parents 969b135 + b1deb38
commit af017ce
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/iptables/iptables.go b/iptables/iptables.go
@@ -101,7 +101,13 @@ func NewWithProtocol(proto Protocol) (*IPTables, error) {
 		return nil, err
 	}
 	vstring, err := getIptablesVersionString(path)
+	if err != nil {
+		return nil, fmt.Errorf("could not get iptables version: %v", err)
+	}
 	v1, v2, v3, mode, err := extractIptablesVersion(vstring)
+	if err != nil {
+		return nil, fmt.Errorf("failed to extract iptables version from [%s]: %v", vstring, err)
+	}
 
 	checkPresent, waitPresent, randomFullyPresent := getIptablesCommandSupport(v1, v2, v3)