refact: renamed package net to network to avoid collision with golang net package.

network/oui.go

@@ -0,0 +1,50 @@
+package network
+
+import (
+	"strings"
+
+	"github.com/evilsocket/bettercap-ng/core"
+)
+
+var (
+	oui = make(map[string]string)
+)
+
+func OuiInit() {
+	bytes, err := Asset("network/oui.dat")
+	if err != nil {
+		panic(err)
+	}
+
+	data := string(bytes)
+	lines := strings.Split(data, "\n")
+
+	for _, line := range lines {
+		line = core.Trim(line)
+		if len(line) == 0 || line[0] == '#' {
+			continue
+		}
+
+		parts := strings.SplitN(line, " ", 2)
+		if len(parts) != 2 {
+			continue
+		}
+
+		prefix := strings.ToLower(core.Trim(parts[0]))
+		vendor := core.Trim(parts[1])
+
+		oui[prefix] = vendor
+	}
+}
+
+func OuiLookup(mac string) string {
+	octects := strings.Split(mac, ":")
+	if len(octects) > 3 {
+		prefix := octects[0] + octects[1] + octects[2]
+
+		if vendor, found := oui[prefix]; found == true {
+			return vendor
+		}
+	}
+	return ""
+}