diff options
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/network/network.go | 9 |
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 |