mirror of
https://github.com/bettercap/bettercap
synced 2025-07-30 19:50:06 -07:00
32 lines
557 B
Go
32 lines
557 B
Go
package network
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net"
|
|
"regexp"
|
|
"runtime"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/bettercap/bettercap/core"
|
|
)
|
|
|
|
func FindGateway(iface *Endpoint) (*Endpoint, error) {
|
|
output, err = core.Exec("getprop", []string{"net.dns1"})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
gw := core.Trim(output)
|
|
if IPv4Validator.MatchString(gw) {
|
|
// we have the address, now we need its mac
|
|
mac, err := ArpLookup(iface.Name(), gw, false)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return NewEndpoint(gateway, mac), nil
|
|
}
|
|
|
|
return nil, ErrNoGateway
|
|
}
|