refact: got rid of go-bindata using a simple py script (fixes #51)

Makefile

@@ -13,7 +13,7 @@ build: resources
 resources: oui
 
 oui:
-	@$(GOPATH)/bin/go-bindata -o network/oui_compiled.go -pkg network network/oui.dat
+	@./network/make_oui.py
 
 vet:
 	@go vet ./...
@@ -25,7 +25,6 @@ lint:
 	@golint ./...
 
 deps:
-	@go get -u github.com/jteeuwen/go-bindata/...
 	@go get ./...
 
 clean:

network/make_oui.py

@@ -0,0 +1,36 @@
+#!/usr/bin/python
+import os
+
+base = os.path.dirname(os.path.realpath(__file__))
+
+with open(os.path.join(base, 'oui.go.template')) as fp:
+    template = fp.read()
+
+with open(os.path.join(base, 'oui.dat')) as fp:
+    lines = [l.strip() for l in fp.readlines()]
+
+m = {}
+for line in lines:
+    if line == "" or line[0] == '#':
+        continue
+
+    parts = line.split(' ', 1)
+    if len(parts) != 2:
+        continue
+
+    prefix = parts[0].strip().lower()
+    vendor = parts[1].strip()
+
+    m[prefix] = vendor
+
+code = "map[string]string {\n"
+
+for prefix, vendor in m.iteritems():
+    code += "    \"%s\": \"%s\",\n" % ( prefix, vendor )
+
+code += "}\n"
+
+code = template.replace('#MAP#', code)
+
+with open(os.path.join(base, 'oui.go'), 'w+t') as fp:
+    fp.write(code)

network/oui.go.template

@@ -0,0 +1,18 @@
+package network
+
+import (
+	"strings"
+)
+
+var oui = #MAP#
+
+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 ""
+}

session/session.go

@@ -306,8 +306,6 @@ func (s *Session) Start() error {
 		return s.Modules[i].Name() < s.Modules[j].Name()
 	})
 
-	network.OuiInit()
-
 	if s.Interface, err = network.FindInterface(*s.Options.InterfaceName); err != nil {
 		return err
 	}