add missing operator lists file

needed to load lists.

daemon/rule/operator_lists.go

@@ -0,0 +1,72 @@
+package rule
+
+import (
+	"fmt"
+	"github.com/evilsocket/opensnitch/daemon/log"
+	"io/ioutil"
+	"path/filepath"
+	"runtime/debug"
+	"strings"
+)
+
+func (o *Operator) clearLists() {
+	log.Debug("clearing domains lists: %d - %s", len(o.lists), o.Data)
+	for k := range o.lists {
+		delete(o.lists, k)
+	}
+	o.lists = nil
+	debug.FreeOSMemory()
+}
+
+func (o *Operator) loadLists() error {
+	log.Info("loading domains lists: %s, %s, %s", o.Type, o.Operand, o.Data)
+
+	o.clearLists()
+	var dups uint64
+
+	// this list is particular to this operator/rule
+	o.lists = make(map[string]string)
+
+	expr := filepath.Join(o.Data, "/*.*")
+	fileList, err := filepath.Glob(expr)
+	if err != nil {
+		return fmt.Errorf("Error loading domains lists '%s': %s", expr, err)
+	}
+
+	for _, fileName := range fileList {
+		log.Debug("Loading domains list: %s", fileName)
+		raw, err := ioutil.ReadFile(fileName)
+		log.Debug("domains list size: %d", len(raw))
+		if err != nil {
+			log.Warning("Error reading list of domains (%s): %s", fileName, err)
+			continue
+		}
+		for _, domain := range strings.Split(string(raw), "\n") {
+			if len(domain) < 9 {
+				continue
+			}
+			// exclude not valid lines
+			if domain[:7] != "0.0.0.0" && domain[:9] != "127.0.0.1" {
+				continue
+			}
+			host := domain[8:]
+			// exclude localhost entries
+			if domain[:9] == "127.0.0.1" {
+				host = domain[10:]
+			}
+			if host == "local" || host == "localhost" || host == "localhost.localdomain" || host == "broadcasthost" {
+				continue
+			}
+			if _, found := o.lists[host]; found {
+				dups++
+				continue
+			}
+			o.lists[host] = fileName
+		}
+		raw = nil
+		log.Info("domains loaded: %d, %s", len(o.lists), fileName)
+	}
+	log.Info("Total domains loaded: %d - Duplicated: %d", len(o.lists), dups)
+
+	return nil
+}