new: implemented wifi.bruteforce for darwin (ref #1075)

modules/wifi/wifi_bruteforce_darwin.go

@@ -0,0 +1,44 @@
+package wifi
+
+import (
+	"errors"
+	"os/exec"
+	"time"
+
+	"github.com/bettercap/bettercap/v2/core"
+	"github.com/evilsocket/islazy/async"
+)
+
+// networksetup -setairportnetwork interface 'network name' 'password'
+func wifiBruteforce(mod *WiFiModule, job bruteforceJob) (bool, error) {
+	networksetup, err := exec.LookPath("networksetup")
+	if err != nil {
+		return false, errors.New("could not find networksetup in $PATH")
+	}
+
+	args := []string{
+		"-setairportnetwork",
+		job.iface,
+		job.essid,
+		job.password,
+	}
+
+	type result struct {
+		auth bool
+		err  error
+	}
+
+	if res, err := async.WithTimeout(job.timeout, func() interface{} {
+		start := time.Now()
+		if output, err := core.Exec(networksetup, args); err != nil {
+			return result{auth: false, err: err}
+		} else {
+			mod.Debug("%s %v : %v\n%v", networksetup, args, time.Since(start), output)
+			return result{auth: output == "", err: nil}
+		}
+	}); err == nil && res != nil {
+		return res.(result).auth, res.(result).err
+	}
+
+	return false, nil
+}