netutil

func ExpandIPNet ¶

func ExpandIPNet(ipNet *net.IPNet) []net.IP

ExpandIPNet takes a network and returns a slice of all IPs that belong to that network.

func FindNetwork ¶

func FindNetwork() (*net.Interface, *net.IPNet, error)

FindNetwork returns the first active interface and network.

func GetVendor ¶

func GetVendor(macAddress string) (string, bool)

GetVendor returns the vendor for a mac address, and true if it was found in the gopacket database.

func IPNetTooLarge ¶

func IPNetTooLarge(ipNet *net.IPNet) bool

IPNetTooLarge returns true if a network is considered too large to scan.

Anything larger than a /24 is considered too large.

func IsValidMAC ¶

func IsValidMAC(s string) bool

func ParseMACList ¶

func ParseMACList(values string) ([]string, bool)

func UnqualifyHostname ¶

func UnqualifyHostname(hostname string) string

UnqualifyHostname returns a hostname without the domain portion and removes any trailing periods, if any.