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-rw-r--r--pkg/network/network.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/network/network.go b/pkg/network/network.go
index b24c72f5f..db625da56 100644
--- a/pkg/network/network.go
+++ b/pkg/network/network.go
@@ -137,6 +137,15 @@ func networkIntersect(n1, n2 *net.IPNet) bool {
// ValidateUserNetworkIsAvailable returns via an error if a network is available
// to be used
func ValidateUserNetworkIsAvailable(config *config.Config, userNet *net.IPNet) error {
+ if len(userNet.IP) == 0 || len(userNet.Mask) == 0 {
+ return errors.Errorf("network %s's ip or mask cannot be empty", userNet.String())
+ }
+
+ ones, bit := userNet.Mask.Size()
+ if ones == 0 || bit == 0 {
+ return errors.Errorf("network %s's mask is invalid", userNet.String())
+ }
+
networks, err := GetNetworksFromFilesystem(config)
if err != nil {
return err